diff --git a/src/pyEQL/database/diffusion_coefficient.json b/src/pyEQL/database/diffusion_coefficient.json
new file mode 100644
index 00000000..4a399e3c
--- /dev/null
+++ b/src/pyEQL/database/diffusion_coefficient.json
@@ -0,0 +1,418 @@
+[
+    {
+      "Formula": "Ag+",
+      "Value": "0.00001648"
+    },
+    {
+      "Formula": "Al+3",
+      "Value": "0.00000541"
+    },
+    {
+      "Formula": "Ba+2",
+      "Value": "0.00000847"
+    },
+    {
+      "Formula": "Be+2",
+      "Value": "0.00000599"
+    },
+    {
+      "Formula": "Ca+2",
+      "Value": "0.00000792"
+    },
+    {
+      "Formula": "Cd+2",
+      "Value": "0.00000719"
+    },
+    {
+      "Formula": "Ce+3",
+      "Value": "0.0000062"
+    },
+    {
+      "Formula": "Co+2",
+      "Value": "0.00000732"
+    },
+    {
+      "Formula": "Cr+3",
+      "Value": "0.00000595"
+    },
+    {
+      "Formula": "Cs+",
+      "Value": "0.00002056"
+    },
+    {
+      "Formula": "Cu+2",
+      "Value": "0.00000714"
+    },
+    {
+      "Formula": "Dy+3",
+      "Value": "0.00000582"
+    },
+    {
+      "Formula": "Er+3",
+      "Value": "0.00000585"
+    },
+    {
+      "Formula": "Eu+3",
+      "Value": "0.00000602"
+    },
+    {
+      "Formula": "Fe+2",
+      "Value": "0.00000719"
+    },
+    {
+      "Formula": "Fe+3",
+      "Value": "0.00000604"
+    },
+    {
+      "Formula": "Gd+3",
+      "Value": "0.00000597"
+    },
+    {
+      "Formula": "H+",
+      "Value": "0.00009311"
+    },
+    {
+      "Formula": "Hg+2",
+      "Value": "0.00000847"
+    },
+    {
+      "Formula": "Ho+3",
+      "Value": "0.00000589"
+    },
+    {
+      "Formula": "K+",
+      "Value": "0.00001957"
+    },
+    {
+      "Formula": "La+3",
+      "Value": "0.00000619"
+    },
+    {
+      "Formula": "Li+",
+      "Value": "0.00001029"
+    },
+    {
+      "Formula": "Mg+2",
+      "Value": "0.00000706"
+    },
+    {
+      "Formula": "Mn+2",
+      "Value": "0.00000712"
+    },
+    {
+      "Formula": "NH4+",
+      "Value": "0.00001957"
+    },
+    {
+      "Formula": "N2H5+",
+      "Value": "0.00001571"
+    },
+    {
+      "Formula": "Na+",
+      "Value": "0.00001334"
+    },
+    {
+      "Formula": "Nd+3",
+      "Value": "0.00000616"
+    },
+    {
+      "Formula": "Ni+2",
+      "Value": "0.00000661"
+    },
+    {
+      "Formula": "Pb+2",
+      "Value": "0.00000945"
+    },
+    {
+      "Formula": "Pr+3",
+      "Value": "0.00000617"
+    },
+    {
+      "Formula": "Ra+2",
+      "Value": "0.00000889"
+    },
+    {
+      "Formula": "Rb+",
+      "Value": "0.00002072"
+    },
+    {
+      "Formula": "Sc+3",
+      "Value": "0.00000574"
+    },
+    {
+      "Formula": "Sm+3",
+      "Value": "0.00000608"
+    },
+    {
+      "Formula": "Sr+2",
+      "Value": "0.00000791"
+    },
+    {
+      "Formula": "Tl+",
+      "Value": "0.00001989"
+    },
+    {
+      "Formula": "Tm+3",
+      "Value": "0.00000581"
+    },
+    {
+      "Formula": "UO2+2",
+      "Value": "0.00000426"
+    },
+    {
+      "Formula": "Y+3",
+      "Value": "0.0000055"
+    },
+    {
+      "Formula": "Yb+3",
+      "Value": "0.00000582"
+    },
+    {
+      "Formula": "Zn+2",
+      "Value": "0.00000703"
+    },
+    {
+      "Formula": "Au(CN)2-",
+      "Value": "0.00001331"
+    },
+    {
+      "Formula": "Au(CN)4-",
+      "Value": "0.00000959"
+    },
+    {
+      "Formula": "B(C6H5)4-",
+      "Value": "0.00000559"
+    },
+    {
+      "Formula": "Br-",
+      "Value": "0.0000208"
+    },
+    {
+      "Formula": "Br3-",
+      "Value": "0.00001145"
+    },
+    {
+      "Formula": "BrO3-",
+      "Value": "0.00001483"
+    },
+    {
+      "Formula": "CN-",
+      "Value": "0.00002077"
+    },
+    {
+      "Formula": "CNO-",
+      "Value": "0.0000172"
+    },
+    {
+      "Formula": "CO3-2",
+      "Value": "0.00000923"
+    },
+    {
+      "Formula": "Cl-",
+      "Value": "0.00002032"
+    },
+    {
+      "Formula": "CLO2-",
+      "Value": "0.00001385"
+    },
+    {
+      "Formula": "CLO3-",
+      "Value": "0.0000172"
+    },
+    {
+      "Formula": "CLO4-",
+      "Value": "0.00001792"
+    },
+    {
+      "Formula": "Co(CN)6-3",
+      "Value": "0.00000878"
+    },
+    {
+      "Formula": "CrO4-2",
+      "Value": "0.00001132"
+    },
+    {
+      "Formula": "F-",
+      "Value": "0.00001475"
+    },
+    {
+      "Formula": "Fe(CN)6-4",
+      "Value": "0.00000735"
+    },
+    {
+      "Formula": "Fe(CN)6-3",
+      "Value": "0.00000896"
+    },
+    {
+      "Formula": "H2ASO4-",
+      "Value": "0.00000905"
+    },
+    {
+      "Formula": "HCO3-",
+      "Value": "0.00001185"
+    },
+    {
+      "Formula": "HF2-",
+      "Value": "0.00001997"
+    },
+    {
+      "Formula": "HPO4-2",
+      "Value": "0.00000759"
+    },
+    {
+      "Formula": "H2PO4-",
+      "Value": "0.00000959"
+    },
+    {
+      "Formula": "H2PO2-",
+      "Value": "0.00001225"
+    },
+    {
+      "Formula": "HS-",
+      "Value": "0.00001731"
+    },
+    {
+      "Formula": "HSO3-",
+      "Value": "0.00001545"
+    },
+    {
+      "Formula": "HSO4-",
+      "Value": "0.00001385"
+    },
+    {
+      "Formula": "H2SbO4-",
+      "Value": "0.00000825"
+    },
+    {
+      "Formula": "I-",
+      "Value": "0.00002045"
+    },
+    {
+      "Formula": "IO3-",
+      "Value": "0.00001078"
+    },
+    {
+      "Formula": "IO4-",
+      "Value": "0.00001451"
+    },
+    {
+      "Formula": "MnO4-",
+      "Value": "0.00001632"
+    },
+    {
+      "Formula": "MoO4-2",
+      "Value": "0.00001984"
+    },
+    {
+      "Formula": "N(CN)2-",
+      "Value": "0.00001451"
+    },
+    {
+      "Formula": "NO2-",
+      "Value": "0.00001912"
+    },
+    {
+      "Formula": "NO3-",
+      "Value": "0.00001902"
+    },
+    {
+      "Formula": "NH2SO3-",
+      "Value": "0.00001286"
+    },
+    {
+      "Formula": "N3-",
+      "Value": "0.00001837"
+    },
+    {
+      "Formula": "OCN-",
+      "Value": "0.0000172"
+    },
+    {
+      "Formula": "OH-",
+      "Value": "0.00005273"
+    },
+    {
+      "Formula": "PF6-",
+      "Value": "0.00001515"
+    },
+    {
+      "Formula": "PO3F-2",
+      "Value": "0.00000843"
+    },
+    {
+      "Formula": "PO4-3",
+      "Value": "0.00000824"
+    },
+    {
+      "Formula": "P2O7-4",
+      "Value": "0.00000639"
+    },
+    {
+      "Formula": "P3O9-3",
+      "Value": "0.00000742"
+    },
+    {
+      "Formula": "P3O10-5",
+      "Value": "0.00000581"
+    },
+    {
+      "Formula": "ReO4-",
+      "Value": "0.00001462"
+    },
+    {
+      "Formula": "SCN-",
+      "Value": "0.00001758"
+    },
+    {
+      "Formula": "SO3-2",
+      "Value": "0.00000959"
+    },
+    {
+      "Formula": "SO4-2",
+      "Value": "0.00001065"
+    },
+    {
+      "Formula": "S2O3-2",
+      "Value": "0.00001132"
+    },
+    {
+      "Formula": "S2O4-2",
+      "Value": "0.00000885"
+    },
+    {
+      "Formula": "S2O6-2",
+      "Value": "0.00001238"
+    },
+    {
+      "Formula": "S2O8-2",
+      "Value": "0.00001145"
+    },
+    {
+      "Formula": "Sb(OH)6-",
+      "Value": "0.00000849"
+    },
+    {
+      "Formula": "SeCN-",
+      "Value": "0.00001723"
+    },
+    {
+      "Formula": "SeO4-",
+      "Value": "0.00001008"
+    },
+    {
+      "Formula": "WO4-2",
+      "Value": "0.00000919"
+    },
+    {
+      "Formula": "HCO2-",
+      "Value": "0.00001454"
+    },
+    {
+      "Formula": "CH3COO-",
+      "Value": "0.00001089"
+    },
+    {
+      "Formula": "C6H5O7-3",
+      "Value": "0.00000623"
+    }
+  ]
diff --git a/src/pyEQL/database/partial_molar_volume.json b/src/pyEQL/database/partial_molar_volume.json
new file mode 100644
index 00000000..ddee18e6
--- /dev/null
+++ b/src/pyEQL/database/partial_molar_volume.json
@@ -0,0 +1,42 @@
+[
+    {
+      "Formula:": "H+",
+      "Value:": "-3.8"
+    },
+    {
+      "Formula:": "Na+",
+      "Value:": "-5"
+    },
+    {
+      "Formula:": "K+",
+      "Value:": "5.2"
+    },
+    {
+      "Formula:": "NH4+",
+      "Value:": "14.6"
+    },
+    {
+      "Formula:": "OH-",
+      "Value:": "-0.2"
+    },
+    {
+      "Formula:": "Cl-",
+      "Value:": "21.6"
+    },
+    {
+      "Formula:": "Br-",
+      "Value:": "28.5"
+    },
+    {
+      "Formula:": "I-",
+      "Value:": "40"
+    },
+    {
+      "Formula:": "HCO3-",
+      "Value:": "27.2"
+    },
+    {
+      "Formula:": "CO3-2",
+      "Value:": "3.3"
+    }
+  ]
diff --git a/src/pyEQL/database/pitzer_activity.json b/src/pyEQL/database/pitzer_activity.json
new file mode 100644
index 00000000..8157cd5b
--- /dev/null
+++ b/src/pyEQL/database/pitzer_activity.json
@@ -0,0 +1,1258 @@
+[
+    {
+      "Formula:": "Al2(SO4)3",
+      "Beta0": "0.822",
+      "Beta1": "21.12",
+      "Beta2": "-4813",
+      "Cphi": "-0.0799",
+      "Max_C": "1.1"
+    },
+    {
+      "Formula:": "NH4Br",
+      "Beta0": "0.05921",
+      "Beta1": "0.2153",
+      "Beta2": "0",
+      "Cphi": "-0.00379",
+      "Max_C": "7.5"
+    },
+    {
+      "Formula:": "NH4Cl",
+      "Beta0": "0.05094",
+      "Beta1": "0.2068",
+      "Beta2": "0",
+      "Cphi": "-0.00285",
+      "Max_C": "7.405"
+    },
+    {
+      "Formula:": "(NH4)2HPO4",
+      "Beta0": "-0.04263",
+      "Beta1": "-0.6787",
+      "Beta2": "0",
+      "Cphi": "0.005162",
+      "Max_C": "3.107"
+    },
+    {
+      "Formula:": "NH4I",
+      "Beta0": "0.05671",
+      "Beta1": "0.2893",
+      "Beta2": "0",
+      "Cphi": "-0.00311",
+      "Max_C": "7.5"
+    },
+    {
+      "Formula:": "NH4NO3",
+      "Beta0": "-0.01709",
+      "Beta1": "0.09198",
+      "Beta2": "0",
+      "Cphi": "0.000419",
+      "Max_C": "20"
+    },
+    {
+      "Formula:": "NH4ClO4",
+      "Beta0": "0.005579",
+      "Beta1": "-0.1015",
+      "Beta2": "0",
+      "Cphi": "-0.00635",
+      "Max_C": "2.1"
+    },
+    {
+      "Formula:": "(NH4)2SO4",
+      "Beta0": "0.04211",
+      "Beta1": "0.582",
+      "Beta2": "0",
+      "Cphi": "-0.00134",
+      "Max_C": "5.5"
+    },
+    {
+      "Formula:": "Ba(CH3COO)2",
+      "Beta0": "0.2437",
+      "Beta1": "1.093",
+      "Beta2": "0",
+      "Cphi": "-0.03794",
+      "Max_C": "3.5"
+    },
+    {
+      "Formula:": "BaBr2",
+      "Beta0": "0.316",
+      "Beta1": "1.529",
+      "Beta2": "0",
+      "Cphi": "-0.01638",
+      "Max_C": "2.321"
+    },
+    {
+      "Formula:": "BaCl2",
+      "Beta0": "0.2891",
+      "Beta1": "1.217",
+      "Beta2": "0",
+      "Cphi": "-0.02987",
+      "Max_C": "1.8"
+    },
+    {
+      "Formula:": "BaI2",
+      "Beta0": "0.4008",
+      "Beta1": "1.881",
+      "Beta2": "0",
+      "Cphi": "-0.00843",
+      "Max_C": "2"
+    },
+    {
+      "Formula:": "Ba(NO3)2",
+      "Beta0": "-0.06464",
+      "Beta1": "0.8598",
+      "Beta2": "0",
+      "Cphi": "0.04046",
+      "Max_C": "0.4"
+    },
+    {
+      "Formula:": "Ba(ClO4)2",
+      "Beta0": "0.3309",
+      "Beta1": "1.729",
+      "Beta2": "0",
+      "Cphi": "-0.01883",
+      "Max_C": "3.5"
+    },
+    {
+      "Formula:": "BeSO4",
+      "Beta0": "0.3162",
+      "Beta1": "2.867",
+      "Beta2": "-58.93",
+      "Cphi": "0.006172",
+      "Max_C": "4"
+    },
+    {
+      "Formula:": "Cd(NO3)2",
+      "Beta0": "0.2833",
+      "Beta1": "1.665",
+      "Beta2": "0",
+      "Cphi": "-0.02426",
+      "Max_C": "3"
+    },
+    {
+      "Formula:": "Cd(NO2)2",
+      "Beta0": "-0.02389",
+      "Beta1": "-1.511",
+      "Beta2": "0",
+      "Cphi": "0.007885",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "Cd(ClO4)2",
+      "Beta0": "0.3796",
+      "Beta1": "2.113",
+      "Beta2": "0",
+      "Cphi": "0.02515",
+      "Max_C": "1.928"
+    },
+    {
+      "Formula:": "CdSO4",
+      "Beta0": "0.2072",
+      "Beta1": "2.564",
+      "Beta2": "-45.05",
+      "Cphi": "0.01071",
+      "Max_C": "3.5"
+    },
+    {
+      "Formula:": "CsCH3COO",
+      "Beta0": "0.1674",
+      "Beta1": "0.3399",
+      "Beta2": "0",
+      "Cphi": "-0.00671",
+      "Max_C": "3.5"
+    },
+    {
+      "Formula:": "CsBr",
+      "Beta0": "0.02187",
+      "Beta1": "0.07237",
+      "Beta2": "0",
+      "Cphi": "0.001244",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "CsCl",
+      "Beta0": "0.03745",
+      "Beta1": "0.02709",
+      "Beta2": "0",
+      "Cphi": "-0.00103",
+      "Max_C": "11"
+    },
+    {
+      "Formula:": "CsF",
+      "Beta0": "0.1237",
+      "Beta1": "0.324",
+      "Beta2": "0",
+      "Cphi": "-0.00305",
+      "Max_C": "3.5"
+    },
+    {
+      "Formula:": "CsOH",
+      "Beta0": "0.1277",
+      "Beta1": "0.4146",
+      "Beta2": "0",
+      "Cphi": "0.00615",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "CsI",
+      "Beta0": "0.02164",
+      "Beta1": "0.04627",
+      "Beta2": "0",
+      "Cphi": "-0.00287",
+      "Max_C": "3"
+    },
+    {
+      "Formula:": "CsNO3",
+      "Beta0": "-0.1024",
+      "Beta1": "0.01885",
+      "Beta2": "0",
+      "Cphi": "0.0133",
+      "Max_C": "1.5"
+    },
+    {
+      "Formula:": "CsNO2",
+      "Beta0": "0.03058",
+      "Beta1": "0.1855",
+      "Beta2": "0",
+      "Cphi": "-0.00233",
+      "Max_C": "7"
+    },
+    {
+      "Formula:": "Cs2SO4",
+      "Beta0": "0.1009",
+      "Beta1": "0.9094",
+      "Beta2": "0",
+      "Cphi": "-0.0087",
+      "Max_C": "4"
+    },
+    {
+      "Formula:": "CaBr2",
+      "Beta0": "0.3409",
+      "Beta1": "1.928",
+      "Beta2": "0",
+      "Cphi": "0.01034",
+      "Max_C": "6"
+    },
+    {
+      "Formula:": "CaCl2",
+      "Beta0": "0.31",
+      "Beta1": "1.618",
+      "Beta2": "0",
+      "Cphi": "-0.00125",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "CaI2",
+      "Beta0": "0.4301",
+      "Beta1": "1.878",
+      "Beta2": "0",
+      "Cphi": "0.001749",
+      "Max_C": "2"
+    },
+    {
+      "Formula:": "Ca(NO3)2",
+      "Beta0": "0.1683",
+      "Beta1": "1.65",
+      "Beta2": "0",
+      "Cphi": "-0.00687",
+      "Max_C": "6"
+    },
+    {
+      "Formula:": "Ca(ClO4)2",
+      "Beta0": "0.4638",
+      "Beta1": "1.716",
+      "Beta2": "0",
+      "Cphi": "-0.00706",
+      "Max_C": "6"
+    },
+    {
+      "Formula:": "CeCl3",
+      "Beta0": "0.6005",
+      "Beta1": "4.91",
+      "Beta2": "0",
+      "Cphi": "-0.02619",
+      "Max_C": "2"
+    },
+    {
+      "Formula:": "CrCl3",
+      "Beta0": "0.7592",
+      "Beta1": "4.752",
+      "Beta2": "0",
+      "Cphi": "-0.05713",
+      "Max_C": "1.2"
+    },
+    {
+      "Formula:": "Cr(NO3)3",
+      "Beta0": "0.7161",
+      "Beta1": "4.631",
+      "Beta2": "0",
+      "Cphi": "-0.06384",
+      "Max_C": "1.4"
+    },
+    {
+      "Formula:": "CoBr2",
+      "Beta0": "0.4667",
+      "Beta1": "1.424",
+      "Beta2": "0",
+      "Cphi": "-0.01411",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "CoCl2",
+      "Beta0": "0.3765",
+      "Beta1": "1.416",
+      "Beta2": "0",
+      "Cphi": "-0.01886",
+      "Max_C": "4"
+    },
+    {
+      "Formula:": "CoI2",
+      "Beta0": "0.5162",
+      "Beta1": "1.737",
+      "Beta2": "0",
+      "Cphi": "-0.00166",
+      "Max_C": "4"
+    },
+    {
+      "Formula:": "Co(NO3)2",
+      "Beta0": "0.3103",
+      "Beta1": "1.673",
+      "Beta2": "0",
+      "Cphi": "-0.00736",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "CuCl2",
+      "Beta0": "0.277",
+      "Beta1": "1.496",
+      "Beta2": "0",
+      "Cphi": "-0.02806",
+      "Max_C": "3.75"
+    },
+    {
+      "Formula:": "Cu(NO3)2",
+      "Beta0": "0.281",
+      "Beta1": "1.683",
+      "Beta2": "0",
+      "Cphi": "-0.00845",
+      "Max_C": "7.84"
+    },
+    {
+      "Formula:": "CuSO4",
+      "Beta0": "0.2281",
+      "Beta1": "2.505",
+      "Beta2": "-50.28",
+      "Cphi": "0.005787",
+      "Max_C": "1.42"
+    },
+    {
+      "Formula:": "EuCl3",
+      "Beta0": "0.6048",
+      "Beta1": "5.322",
+      "Beta2": "0",
+      "Cphi": "-0.01999",
+      "Max_C": "3.584"
+    },
+    {
+      "Formula:": "Eu(NO3)3",
+      "Beta0": "0.4777",
+      "Beta1": "4.706",
+      "Beta2": "0",
+      "Cphi": "-0.04847",
+      "Max_C": "2"
+    },
+    {
+      "Formula:": "GdCl3",
+      "Beta0": "0.6129",
+      "Beta1": "5.359",
+      "Beta2": "0",
+      "Cphi": "-0.0197",
+      "Max_C": "3.59"
+    },
+    {
+      "Formula:": "HI",
+      "Beta0": "0.2242",
+      "Beta1": "0.4685",
+      "Beta2": "0",
+      "Cphi": "0.004286",
+      "Max_C": "7"
+    },
+    {
+      "Formula:": "HBr",
+      "Beta0": "0.2093",
+      "Beta1": "0.3401",
+      "Beta2": "0",
+      "Cphi": "0.001364",
+      "Max_C": "6"
+    },
+    {
+      "Formula:": "HCl",
+      "Beta0": "0.1876",
+      "Beta1": "0.2501",
+      "Beta2": "0",
+      "Cphi": "-0.00154",
+      "Max_C": "10.5"
+    },
+    {
+      "Formula:": "FeCl2",
+      "Beta0": "0.3516",
+      "Beta1": "1.432",
+      "Beta2": "0",
+      "Cphi": "-0.0156",
+      "Max_C": "2.05"
+    },
+    {
+      "Formula:": "FeCl3",
+      "Beta0": "0.5516",
+      "Beta1": "5.488",
+      "Beta2": "0",
+      "Cphi": "-0.06453",
+      "Max_C": "1.8"
+    },
+    {
+      "Formula:": "LaCl3",
+      "Beta0": "0.593",
+      "Beta1": "5.277",
+      "Beta2": "0",
+      "Cphi": "-0.02434",
+      "Max_C": "3.894"
+    },
+    {
+      "Formula:": "La(NO3)3",
+      "Beta0": "0.4915",
+      "Beta1": "4.99",
+      "Beta2": "0",
+      "Cphi": "-0.0747",
+      "Max_C": "1.555"
+    },
+    {
+      "Formula:": "Pb(NO3)2",
+      "Beta0": "-0.0058",
+      "Beta1": "-0.1669",
+      "Beta2": "0",
+      "Cphi": "-0.00522",
+      "Max_C": "2"
+    },
+    {
+      "Formula:": "Pb(ClO4)2",
+      "Beta0": "0.3328",
+      "Beta1": "1.658",
+      "Beta2": "0",
+      "Cphi": "-0.00885",
+      "Max_C": "12.58"
+    },
+    {
+      "Formula:": "LiCH3COO",
+      "Beta0": "0.1081",
+      "Beta1": "0.257",
+      "Beta2": "0",
+      "Cphi": "-0.0042",
+      "Max_C": "4"
+    },
+    {
+      "Formula:": "LiBr",
+      "Beta0": "0.1842",
+      "Beta1": "0.2363",
+      "Beta2": "0",
+      "Cphi": "0.003333",
+      "Max_C": "11"
+    },
+    {
+      "Formula:": "LiCl",
+      "Beta0": "0.1516",
+      "Beta1": "0.2975",
+      "Beta2": "0",
+      "Cphi": "0.003227",
+      "Max_C": "8.5"
+    },
+    {
+      "Formula:": "LiOH",
+      "Beta0": "0.04217",
+      "Beta1": "-0.08799",
+      "Beta2": "0",
+      "Cphi": "-0.00065",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "LiI",
+      "Beta0": "0.1903",
+      "Beta1": "0.478",
+      "Beta2": "0",
+      "Cphi": "0.00554",
+      "Max_C": "3"
+    },
+    {
+      "Formula:": "LiNO3",
+      "Beta0": "0.1343",
+      "Beta1": "0.3339",
+      "Beta2": "0",
+      "Cphi": "-0.00433",
+      "Max_C": "14"
+    },
+    {
+      "Formula:": "LiNO2",
+      "Beta0": "0.1283",
+      "Beta1": "0.382",
+      "Beta2": "0",
+      "Cphi": "-0.00447",
+      "Max_C": "9"
+    },
+    {
+      "Formula:": "LiClO4",
+      "Beta0": "0.1966",
+      "Beta1": "0.4182",
+      "Beta2": "0",
+      "Cphi": "0.000636",
+      "Max_C": "4.5"
+    },
+    {
+      "Formula:": "Li2SO4",
+      "Beta0": "0.1408",
+      "Beta1": "1.184",
+      "Beta2": "0",
+      "Cphi": "-0.0051",
+      "Max_C": "3.165"
+    },
+    {
+      "Formula:": "Mg(CH3COO)2",
+      "Beta0": "0.21",
+      "Beta1": "0.9347",
+      "Beta2": "0",
+      "Cphi": "-0.01332",
+      "Max_C": "4"
+    },
+    {
+      "Formula:": "MgBr2",
+      "Beta0": "0.4368",
+      "Beta1": "1.73",
+      "Beta2": "0",
+      "Cphi": "0.002432",
+      "Max_C": "5.61"
+    },
+    {
+      "Formula:": "MgCl2",
+      "Beta0": "0.3553",
+      "Beta1": "1.644",
+      "Beta2": "0",
+      "Cphi": "0.005098",
+      "Max_C": "5.925"
+    },
+    {
+      "Formula:": "MgI2",
+      "Beta0": "0.4944",
+      "Beta1": "1.834",
+      "Beta2": "0",
+      "Cphi": "0.00733",
+      "Max_C": "5.01"
+    },
+    {
+      "Formula:": "Mg(NO3)2",
+      "Beta0": "0.3405",
+      "Beta1": "1.672",
+      "Beta2": "0",
+      "Cphi": "-0.00901",
+      "Max_C": "4"
+    },
+    {
+      "Formula:": "Mg(ClO4)2",
+      "Beta0": "0.4956",
+      "Beta1": "2.097",
+      "Beta2": "0",
+      "Cphi": "0.009471",
+      "Max_C": "4"
+    },
+    {
+      "Formula:": "MgSO4",
+      "Beta0": "0.2153",
+      "Beta1": "3.29",
+      "Beta2": "-40.15",
+      "Cphi": "0.02794",
+      "Max_C": "3.618"
+    },
+    {
+      "Formula:": "MnCl2",
+      "Beta0": "0.3268",
+      "Beta1": "1.524",
+      "Beta2": "0",
+      "Cphi": "-0.02109",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "MnSO4",
+      "Beta0": "0.2139",
+      "Beta1": "2.875",
+      "Beta2": "-52.32",
+      "Cphi": "0.01497",
+      "Max_C": "4.966"
+    },
+    {
+      "Formula:": "NdCl3",
+      "Beta0": "0.5877",
+      "Beta1": "5.206",
+      "Beta2": "0",
+      "Cphi": "-0.01969",
+      "Max_C": "2.4"
+    },
+    {
+      "Formula:": "Nd(NO3)3",
+      "Beta0": "0.4434",
+      "Beta1": "4.915",
+      "Beta2": "0",
+      "Cphi": "-0.04366",
+      "Max_C": "2.4"
+    },
+    {
+      "Formula:": "NiCl2",
+      "Beta0": "0.3692",
+      "Beta1": "1.441",
+      "Beta2": "0",
+      "Cphi": "-0.01109",
+      "Max_C": "4"
+    },
+    {
+      "Formula:": "Ni(NO3)2",
+      "Beta0": "0.315",
+      "Beta1": "2.195",
+      "Beta2": "0",
+      "Cphi": "-0.0049",
+      "Max_C": "5.51"
+    },
+    {
+      "Formula:": "NiSO4",
+      "Beta0": "0.1594",
+      "Beta1": "2.944",
+      "Beta2": "-50.94",
+      "Cphi": "0.04078",
+      "Max_C": "2.5"
+    },
+    {
+      "Formula:": "HNO3",
+      "Beta0": "0.111",
+      "Beta1": "0.3805",
+      "Beta2": "0",
+      "Cphi": "-0.00424",
+      "Max_C": "11"
+    },
+    {
+      "Formula:": "HClO4",
+      "Beta0": "0.1813",
+      "Beta1": "0.276",
+      "Beta2": "0",
+      "Cphi": "0.006718",
+      "Max_C": "8"
+    },
+    {
+      "Formula:": "KCH3COO",
+      "Beta0": "0.1556",
+      "Beta1": "0.3328",
+      "Beta2": "0",
+      "Cphi": "-0.00533",
+      "Max_C": "3.5"
+    },
+    {
+      "Formula:": "KHCO3",
+      "Beta0": "-0.01558",
+      "Beta1": "0.07556",
+      "Beta2": "0",
+      "Cphi": "-0.00469",
+      "Max_C": "1"
+    },
+    {
+      "Formula:": "KBrO3",
+      "Beta0": "-0.1132",
+      "Beta1": "0.2284",
+      "Beta2": "0",
+      "Cphi": "-0.01456",
+      "Max_C": "0.5"
+    },
+    {
+      "Formula:": "KBr",
+      "Beta0": "0.05517",
+      "Beta1": "0.2361",
+      "Beta2": "0",
+      "Cphi": "-0.00148",
+      "Max_C": "5.5"
+    },
+    {
+      "Formula:": "K2CO3",
+      "Beta0": "0.1305",
+      "Beta1": "1.606",
+      "Beta2": "0",
+      "Cphi": "0.00024",
+      "Max_C": "8.102"
+    },
+    {
+      "Formula:": "KClO3",
+      "Beta0": "-0.09346",
+      "Beta1": "0.2435",
+      "Beta2": "0",
+      "Cphi": "-0.00176",
+      "Max_C": "0.7"
+    },
+    {
+      "Formula:": "KCl",
+      "Beta0": "0.04874",
+      "Beta1": "0.2215",
+      "Beta2": "0",
+      "Cphi": "-0.00098",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "KCrO4",
+      "Beta0": "0.0758",
+      "Beta1": "1.177",
+      "Beta2": "0",
+      "Cphi": "-0.00079",
+      "Max_C": "3.5"
+    },
+    {
+      "Formula:": "KH2PO4",
+      "Beta0": "-0.1231",
+      "Beta1": "0.09124",
+      "Beta2": "0",
+      "Cphi": "0.02453",
+      "Max_C": "1.8"
+    },
+    {
+      "Formula:": "K3(Fe(CN)6)",
+      "Beta0": "0.3531",
+      "Beta1": "3.903",
+      "Beta2": "0",
+      "Cphi": "-0.05288",
+      "Max_C": "1.4"
+    },
+    {
+      "Formula:": "K4(Fe(CN)6)",
+      "Beta0": "0.6452",
+      "Beta1": "8.844",
+      "Beta2": "0",
+      "Cphi": "-0.1768",
+      "Max_C": "0.9"
+    },
+    {
+      "Formula:": "KF",
+      "Beta0": "0.08286",
+      "Beta1": "0.2004",
+      "Beta2": "0",
+      "Cphi": "0.000505",
+      "Max_C": "10"
+    },
+    {
+      "Formula:": "K2HPO4",
+      "Beta0": "0.043",
+      "Beta1": "1.147",
+      "Beta2": "0",
+      "Cphi": "0.001486",
+      "Max_C": "7"
+    },
+    {
+      "Formula:": "KOH",
+      "Beta0": "0.1611",
+      "Beta1": "0.137",
+      "Beta2": "0",
+      "Cphi": "-0.00138",
+      "Max_C": "14"
+    },
+    {
+      "Formula:": "KI",
+      "Beta0": "0.06468",
+      "Beta1": "0.3112",
+      "Beta2": "0",
+      "Cphi": "-0.00213",
+      "Max_C": "8.98"
+    },
+    {
+      "Formula:": "KNO3",
+      "Beta0": "-0.07733",
+      "Beta1": "0.04925",
+      "Beta2": "0",
+      "Cphi": "0.005547",
+      "Max_C": "3.8"
+    },
+    {
+      "Formula:": "KNO2",
+      "Beta0": "0.01526",
+      "Beta1": "0.007462",
+      "Beta2": "0",
+      "Cphi": "-0.00078",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "K3PO4",
+      "Beta0": "0.3422",
+      "Beta1": "5.452",
+      "Beta2": "0",
+      "Cphi": "-0.09154",
+      "Max_C": "0.7"
+    },
+    {
+      "Formula:": "K2SO4",
+      "Beta0": "0.07424",
+      "Beta1": "0.5188",
+      "Beta2": "0",
+      "Cphi": "-0.01057",
+      "Max_C": "2"
+    },
+    {
+      "Formula:": "KSCN",
+      "Beta0": "0.04159",
+      "Beta1": "0.2291",
+      "Beta2": "0",
+      "Cphi": "-0.00254",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "PrCl3",
+      "Beta0": "0.5879",
+      "Beta1": "5.448",
+      "Beta2": "0",
+      "Cphi": "-0.02067",
+      "Max_C": "3.897"
+    },
+    {
+      "Formula:": "RbCH3COO",
+      "Beta0": "0.1626",
+      "Beta1": "0.3277",
+      "Beta2": "0",
+      "Cphi": "-0.00545",
+      "Max_C": "3.5"
+    },
+    {
+      "Formula:": "RbBr",
+      "Beta0": "0.03923",
+      "Beta1": "0.1542",
+      "Beta2": "0",
+      "Cphi": "-0.00133",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "RbCl",
+      "Beta0": "0.04469",
+      "Beta1": "0.1443",
+      "Beta2": "0",
+      "Cphi": "-0.00135",
+      "Max_C": "7.8"
+    },
+    {
+      "Formula:": "RbF",
+      "Beta0": "0.1171",
+      "Beta1": "0.2809",
+      "Beta2": "0",
+      "Cphi": "-0.01152",
+      "Max_C": "3.5"
+    },
+    {
+      "Formula:": "RbOH",
+      "Beta0": "0.1404",
+      "Beta1": "0.2992",
+      "Beta2": "0",
+      "Cphi": "0.003028",
+      "Max_C": "6"
+    },
+    {
+      "Formula:": "RbI",
+      "Beta0": "0.03964",
+      "Beta1": "0.1484",
+      "Beta2": "0",
+      "Cphi": "-0.00171",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "RbNO3",
+      "Beta0": "-0.08139",
+      "Beta1": "0.001116",
+      "Beta2": "0",
+      "Cphi": "0.005955",
+      "Max_C": "4.5"
+    },
+    {
+      "Formula:": "RbNO2",
+      "Beta0": "0.01726",
+      "Beta1": "-0.08644",
+      "Beta2": "0",
+      "Cphi": "-0.00168",
+      "Max_C": "7"
+    },
+    {
+      "Formula:": "Rb2SO4",
+      "Beta0": "0.0832",
+      "Beta1": "0.8527",
+      "Beta2": "0",
+      "Cphi": "-0.00918",
+      "Max_C": "1.8"
+    },
+    {
+      "Formula:": "SmCl3",
+      "Beta0": "0.5978",
+      "Beta1": "5.279",
+      "Beta2": "0",
+      "Cphi": "-0.01992",
+      "Max_C": "3.641"
+    },
+    {
+      "Formula:": "ScCl3",
+      "Beta0": "0.6682",
+      "Beta1": "5.921",
+      "Beta2": "0",
+      "Cphi": "-0.01982",
+      "Max_C": "1.9"
+    },
+    {
+      "Formula:": "AgNO3",
+      "Beta0": "-0.07923",
+      "Beta1": "0.008339",
+      "Beta2": "0",
+      "Cphi": "0.004516",
+      "Max_C": "9"
+    },
+    {
+      "Formula:": "NaCH3COO",
+      "Beta0": "0.1382",
+      "Beta1": "0.3317",
+      "Beta2": "0",
+      "Cphi": "-0.00496",
+      "Max_C": "4.5"
+    },
+    {
+      "Formula:": "NaHCO3",
+      "Beta0": "-0.05876",
+      "Beta1": "0.5535",
+      "Beta2": "0",
+      "Cphi": "0.008285",
+      "Max_C": "1.3"
+    },
+    {
+      "Formula:": "NaBrO3",
+      "Beta0": "-0.02574",
+      "Beta1": "0.2161",
+      "Beta2": "0",
+      "Cphi": "0.00756",
+      "Max_C": "2.617"
+    },
+    {
+      "Formula:": "NaBr",
+      "Beta0": "0.1083",
+      "Beta1": "0.239",
+      "Beta2": "0",
+      "Cphi": "-0.00104",
+      "Max_C": "9"
+    },
+    {
+      "Formula:": "Na2CO3",
+      "Beta0": "0.04625",
+      "Beta1": "1.264",
+      "Beta2": "0",
+      "Cphi": "0.002943",
+      "Max_C": "3.115"
+    },
+    {
+      "Formula:": "NaClO4",
+      "Beta0": "0.0185",
+      "Beta1": "0.286",
+      "Beta2": "0",
+      "Cphi": "0.002029",
+      "Max_C": "3.5"
+    },
+    {
+      "Formula:": "NaCl",
+      "Beta0": "0.07831",
+      "Beta1": "0.2677",
+      "Beta2": "0",
+      "Cphi": "0.000864",
+      "Max_C": "6.148"
+    },
+    {
+      "Formula:": "NaCrO4",
+      "Beta0": "0.06437",
+      "Beta1": "1.544",
+      "Beta2": "0",
+      "Cphi": "0.009028",
+      "Max_C": "4.363"
+    },
+    {
+      "Formula:": "NaH2PO4",
+      "Beta0": "-0.05135",
+      "Beta1": "0.05496",
+      "Beta2": "0",
+      "Cphi": "0.007441",
+      "Max_C": "6.5"
+    },
+    {
+      "Formula:": "NaF",
+      "Beta0": "0.02109",
+      "Beta1": "0.2183",
+      "Beta2": "0",
+      "Cphi": "-0.001",
+      "Max_C": "1"
+    },
+    {
+      "Formula:": "NaHCO2",
+      "Beta0": "0.07486",
+      "Beta1": "0.3067",
+      "Beta2": "0",
+      "Cphi": "-0.00327",
+      "Max_C": "3.5"
+    },
+    {
+      "Formula:": "Na2HPO4",
+      "Beta0": "-0.02266",
+      "Beta1": "1.249",
+      "Beta2": "0",
+      "Cphi": "0.00752",
+      "Max_C": "2"
+    },
+    {
+      "Formula:": "NaOH",
+      "Beta0": "0.09226",
+      "Beta1": "0.2424",
+      "Beta2": "0",
+      "Cphi": "0.003343",
+      "Max_C": "11.5"
+    },
+    {
+      "Formula:": "NaI",
+      "Beta0": "0.1261",
+      "Beta1": "0.317",
+      "Beta2": "0",
+      "Cphi": "0.00026",
+      "Max_C": "9"
+    },
+    {
+      "Formula:": "NaNO3",
+      "Beta0": "0.003614",
+      "Beta1": "0.2062",
+      "Beta2": "0",
+      "Cphi": "-0.0000518",
+      "Max_C": "10.75"
+    },
+    {
+      "Formula:": "NaNO2",
+      "Beta0": "0.05978",
+      "Beta1": "0.144",
+      "Beta2": "0",
+      "Cphi": "-0.00422",
+      "Max_C": "8"
+    },
+    {
+      "Formula:": "NaClO4",
+      "Beta0": "0.05422",
+      "Beta1": "0.2861",
+      "Beta2": "0",
+      "Cphi": "-0.00098",
+      "Max_C": "6"
+    },
+    {
+      "Formula:": "Na3PO4",
+      "Beta0": "0.139",
+      "Beta1": "5.419",
+      "Beta2": "0",
+      "Cphi": "-0.04454",
+      "Max_C": "0.8"
+    },
+    {
+      "Formula:": "NaC3H5O2",
+      "Beta0": "0.1799",
+      "Beta1": "0.3169",
+      "Beta2": "0",
+      "Cphi": "-0.01051",
+      "Max_C": "3"
+    },
+    {
+      "Formula:": "Na2SO4",
+      "Beta0": "0.01959",
+      "Beta1": "1.049",
+      "Beta2": "0",
+      "Cphi": "0.005416",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "NaSCN",
+      "Beta0": "0.1048",
+      "Beta1": "0.3242",
+      "Beta2": "0",
+      "Cphi": "-0.0018",
+      "Max_C": "12"
+    },
+    {
+      "Formula:": "Na2S2O3",
+      "Beta0": "0.06306",
+      "Beta1": "1.254",
+      "Beta2": "0",
+      "Cphi": "0.004673",
+      "Max_C": "4"
+    },
+    {
+      "Formula:": "SrBr2",
+      "Beta0": "0.32",
+      "Beta1": "1.846",
+      "Beta2": "0",
+      "Cphi": "0.004825",
+      "Max_C": "2.1"
+    },
+    {
+      "Formula:": "SrCl2",
+      "Beta0": "0.2841",
+      "Beta1": "1.543",
+      "Beta2": "0",
+      "Cphi": "-0.00113",
+      "Max_C": "4.038"
+    },
+    {
+      "Formula:": "SrI2",
+      "Beta0": "0.3889",
+      "Beta1": "2.001",
+      "Beta2": "0",
+      "Cphi": "0.006908",
+      "Max_C": "2"
+    },
+    {
+      "Formula:": "Sr(NO3)2",
+      "Beta0": "0.1022",
+      "Beta1": "1.54",
+      "Beta2": "0",
+      "Cphi": "-0.00732",
+      "Max_C": "4"
+    },
+    {
+      "Formula:": "Sr(ClO4)2",
+      "Beta0": "0.4401",
+      "Beta1": "1.456",
+      "Beta2": "0",
+      "Cphi": "-0.01511",
+      "Max_C": "6"
+    },
+    {
+      "Formula:": "Tl(CH3COO)3",
+      "Beta0": "0.005551",
+      "Beta1": "0.04775",
+      "Beta2": "0",
+      "Cphi": "-0.00085",
+      "Max_C": "6"
+    },
+    {
+      "Formula:": "Tl(NO3)3",
+      "Beta0": "-0.1307",
+      "Beta1": "-0.2724",
+      "Beta2": "0",
+      "Cphi": "-0.00029",
+      "Max_C": "0.4"
+    },
+    {
+      "Formula:": "Tl(NO2)3",
+      "Beta0": "-0.6455",
+      "Beta1": "-0.1248",
+      "Beta2": "0",
+      "Cphi": "0.3749",
+      "Max_C": "1.4"
+    },
+    {
+      "Formula:": "Tl(ClO4)3",
+      "Beta0": "-0.09359",
+      "Beta1": "0.03334",
+      "Beta2": "0",
+      "Cphi": "-0.01895",
+      "Max_C": "0.5"
+    },
+    {
+      "Formula:": "Th(NO3)4",
+      "Beta0": "0.8219",
+      "Beta1": "17.68",
+      "Beta2": "0",
+      "Cphi": "-0.1081",
+      "Max_C": "1.4"
+    },
+    {
+      "Formula:": "UO2Cl2",
+      "Beta0": "0.4116",
+      "Beta1": "1.663",
+      "Beta2": "0",
+      "Cphi": "-0.03029",
+      "Max_C": "3.174"
+    },
+    {
+      "Formula:": "UO2(NO3)2",
+      "Beta0": "0.4735",
+      "Beta1": "1.539",
+      "Beta2": "0",
+      "Cphi": "-0.03665",
+      "Max_C": "2.75"
+    },
+    {
+      "Formula:": "UO2(ClO4)2",
+      "Beta0": "0.6563",
+      "Beta1": "1.903",
+      "Beta2": "0",
+      "Cphi": "0.008736",
+      "Max_C": "4"
+    },
+    {
+      "Formula:": "UO2SO4",
+      "Beta0": "0.3168",
+      "Beta1": "1.861",
+      "Beta2": "-29.69",
+      "Cphi": "-0.01658",
+      "Max_C": "6"
+    },
+    {
+      "Formula:": "YCl3",
+      "Beta0": "0.6248",
+      "Beta1": "5.66",
+      "Beta2": "0",
+      "Cphi": "-0.01563",
+      "Max_C": "4.084"
+    },
+    {
+      "Formula:": "YNO3",
+      "Beta0": "0.6582",
+      "Beta1": "4.58",
+      "Beta2": "0",
+      "Cphi": "-0.1023",
+      "Max_C": "1.2"
+    },
+    {
+      "Formula:": "ZnBr2",
+      "Beta0": "0.4122",
+      "Beta1": "1.926",
+      "Beta2": "0",
+      "Cphi": "-0.08267",
+      "Max_C": "2"
+    },
+    {
+      "Formula:": "ZnCl2",
+      "Beta0": "0.1872",
+      "Beta1": "1.766",
+      "Beta2": "0",
+      "Cphi": "-0.03625",
+      "Max_C": "2.101"
+    },
+    {
+      "Formula:": "ZnI2",
+      "Beta0": "0.526",
+      "Beta1": "2.317",
+      "Beta2": "0",
+      "Cphi": "-0.08623",
+      "Max_C": "2.75"
+    },
+    {
+      "Formula:": "Zn(NO3)2",
+      "Beta0": "0.3248",
+      "Beta1": "1.864",
+      "Beta2": "0",
+      "Cphi": "-0.00827",
+      "Max_C": "7.103"
+    },
+    {
+      "Formula:": "Zn(ClO4)2",
+      "Beta0": "0.5197",
+      "Beta1": "1.731",
+      "Beta2": "0",
+      "Cphi": "0.008201",
+      "Max_C": "4.311"
+    },
+    {
+      "Formula:": "ZnSO4",
+      "Beta0": "0.1991",
+      "Beta1": "2.63",
+      "Beta2": "-37.74",
+      "Cphi": "0.02892",
+      "Max_C": "3.5"
+    }
+  ]
diff --git a/src/pyEQL/database/pitzer_volume.json b/src/pyEQL/database/pitzer_volume.json
new file mode 100644
index 00000000..eda92660
--- /dev/null
+++ b/src/pyEQL/database/pitzer_volume.json
@@ -0,0 +1,1082 @@
+[
+    {
+      "Formula:": "Al2(SO4)3",
+      "Beta0": "0.0001082",
+      "Beta1": "-0.0176",
+      "Beta2": "25.74",
+      "Cphi": "0.000204",
+      "V_o": "-42.4",
+      "Max_C": "1.063"
+    },
+    {
+      "Formula:": "NH4Br",
+      "Beta0": "0.0009447",
+      "Beta1": "-0.005184",
+      "Beta2": "0",
+      "Cphi": "-0.0001633",
+      "V_o": "42.6",
+      "Max_C": "7.393"
+    },
+    {
+      "Formula:": "NH4Cl",
+      "Beta0": "0.00002909",
+      "Beta1": "0.0002654",
+      "Beta2": "0",
+      "Cphi": "-0.0001633",
+      "V_o": "35.7",
+      "Max_C": "7.379"
+    },
+    {
+      "Formula:": "NH4I",
+      "Beta0": "-0.00007129",
+      "Beta1": "-0.0004257",
+      "Beta2": "0",
+      "Cphi": "0.00002706",
+      "V_o": "54.1",
+      "Max_C": "7.474"
+    },
+    {
+      "Formula:": "NH4NO3",
+      "Beta0": "0.000001742",
+      "Beta1": "0.0002926",
+      "Beta2": "0",
+      "Cphi": "0.000000424",
+      "V_o": "46.9",
+      "Max_C": "20"
+    },
+    {
+      "Formula:": "NH4ClO4",
+      "Beta0": "-0.01683",
+      "Beta1": "0.04424",
+      "Beta2": "0",
+      "Cphi": "0.008742",
+      "V_o": "62",
+      "Max_C": "1.868"
+    },
+    {
+      "Formula:": "NH4SO4",
+      "Beta0": "0.0001764",
+      "Beta1": "0.002529",
+      "Beta2": "0",
+      "Cphi": "-0.000001225",
+      "V_o": "49.8",
+      "Max_C": "5.48"
+    },
+    {
+      "Formula:": "BaCl2",
+      "Beta0": "-0.0005681",
+      "Beta1": "0.003069",
+      "Beta2": "0",
+      "Cphi": "0.0004377",
+      "V_o": "23.1",
+      "Max_C": "1.623"
+    },
+    {
+      "Formula:": "Ba(NO3)2",
+      "Beta0": "-0.001117",
+      "Beta1": "0.004513",
+      "Beta2": "0",
+      "Cphi": "0.005325",
+      "V_o": "45.5",
+      "Max_C": "0.35"
+    },
+    {
+      "Formula:": "Cd(NO3)2",
+      "Beta0": "-0.0001585",
+      "Beta1": "0.0006157",
+      "Beta2": "0",
+      "Cphi": "0.00009018",
+      "V_o": "43",
+      "Max_C": "3"
+    },
+    {
+      "Formula:": "CdSO4",
+      "Beta0": "-0.00004448",
+      "Beta1": "0.002519",
+      "Beta2": "0.3064",
+      "Cphi": "0.001607",
+      "V_o": "-6",
+      "Max_C": "2.024"
+    },
+    {
+      "Formula:": "CsBr",
+      "Beta0": "0.00007096",
+      "Beta1": "0.0002329",
+      "Beta2": "0",
+      "Cphi": "-0.0000052",
+      "V_o": "46",
+      "Max_C": "4.731"
+    },
+    {
+      "Formula:": "CsCl",
+      "Beta0": "0.00008174",
+      "Beta1": "0.0004061",
+      "Beta2": "0",
+      "Cphi": "-0.0000076",
+      "V_o": "39.1",
+      "Max_C": "10.6"
+    },
+    {
+      "Formula:": "CsF",
+      "Beta0": "0.0002505",
+      "Beta1": "-0.0002001",
+      "Beta2": "0",
+      "Cphi": "-0.00009591",
+      "V_o": "20.1",
+      "Max_C": "3.391"
+    },
+    {
+      "Formula:": "CsI",
+      "Beta0": "0.0001948",
+      "Beta1": "-0.0002476",
+      "Beta2": "0",
+      "Cphi": "-0.00007298",
+      "V_o": "57.5",
+      "Max_C": "2.18"
+    },
+    {
+      "Formula:": "CsNO3",
+      "Beta0": "-0.003658",
+      "Beta1": "0.01879",
+      "Beta2": "0",
+      "Cphi": "0.002551",
+      "V_o": "35",
+      "Max_C": "1.282"
+    },
+    {
+      "Formula:": "Cs2SO4",
+      "Beta0": "0.0007906",
+      "Beta1": "0.002396",
+      "Beta2": "0",
+      "Cphi": "-0.00001989",
+      "V_o": "40",
+      "Max_C": "3.816"
+    },
+    {
+      "Formula:": "CaBr2",
+      "Beta0": "0.0004783",
+      "Beta1": "-0.002234",
+      "Beta2": "0",
+      "Cphi": "-0.0001828",
+      "V_o": "31.5",
+      "Max_C": "2.595"
+    },
+    {
+      "Formula:": "CaCl2",
+      "Beta0": "0.0003049",
+      "Beta1": "-0.003313",
+      "Beta2": "0",
+      "Cphi": "0.00004089",
+      "V_o": "20",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "Ca(NO3)2",
+      "Beta0": "0.0002862",
+      "Beta1": "-0.001099",
+      "Beta2": "0",
+      "Cphi": "-0.0000281",
+      "V_o": "40.1",
+      "Max_C": "5.918"
+    },
+    {
+      "Formula:": "CoCl2",
+      "Beta0": "0.000249",
+      "Beta1": "-0.002144",
+      "Beta2": "0",
+      "Cphi": "-0.0000311",
+      "V_o": "11.6",
+      "Max_C": "3.351"
+    },
+    {
+      "Formula:": "Co(NO3)2",
+      "Beta0": "0.0001975",
+      "Beta1": "-0.001826",
+      "Beta2": "0",
+      "Cphi": "-0.00001095",
+      "V_o": "34",
+      "Max_C": "3.644"
+    },
+    {
+      "Formula:": "CuCl2",
+      "Beta0": "0.000143",
+      "Beta1": "0.001121",
+      "Beta2": "0",
+      "Cphi": "0.00000571",
+      "V_o": "10",
+      "Max_C": "3.603"
+    },
+    {
+      "Formula:": "Cu(NO3)2",
+      "Beta0": "-0.0007436",
+      "Beta1": "0.005543",
+      "Beta2": "0",
+      "Cphi": "0.000328",
+      "V_o": "30.2",
+      "Max_C": "2.867"
+    },
+    {
+      "Formula:": "CuSO4",
+      "Beta0": "0.001499",
+      "Beta1": "-0.008124",
+      "Beta2": "0.2203",
+      "Cphi": "-0.0002589",
+      "V_o": "-6",
+      "Max_C": "1.418"
+    },
+    {
+      "Formula:": "EuCl3",
+      "Beta0": "-0.00002235",
+      "Beta1": "0.001708",
+      "Beta2": "0",
+      "Cphi": "0.00003954",
+      "V_o": "9.7",
+      "Max_C": "3.589"
+    },
+    {
+      "Formula:": "GdCl3",
+      "Beta0": "0.000189",
+      "Beta1": "-0.003143",
+      "Beta2": "0",
+      "Cphi": "-0.0000144",
+      "V_o": "13.5",
+      "Max_C": "3.591"
+    },
+    {
+      "Formula:": "HI",
+      "Beta0": "0.0002796",
+      "Beta1": "-0.001984",
+      "Beta2": "0",
+      "Cphi": "-0.00002604",
+      "V_o": "36.2",
+      "Max_C": "7.422"
+    },
+    {
+      "Formula:": "HBr",
+      "Beta0": "-0.000004176",
+      "Beta1": "-0.000453",
+      "Beta2": "0",
+      "Cphi": "-0.000000208",
+      "V_o": "24.7",
+      "Max_C": "8.493"
+    },
+    {
+      "Formula:": "HCl",
+      "Beta0": "0.00000614",
+      "Beta1": "-0.0000571",
+      "Beta2": "0",
+      "Cphi": "0.000000536",
+      "V_o": "17.8",
+      "Max_C": "10.54"
+    },
+    {
+      "Formula:": "FeCl2",
+      "Beta0": "-0.001938",
+      "Beta1": "0.008436",
+      "Beta2": "0",
+      "Cphi": "0.001231",
+      "V_o": "12.2",
+      "Max_C": "1.49"
+    },
+    {
+      "Formula:": "FeCl3",
+      "Beta0": "-0.0001865",
+      "Beta1": "-0.001726",
+      "Beta2": "0",
+      "Cphi": "0.00009595",
+      "V_o": "25",
+      "Max_C": "2.055"
+    },
+    {
+      "Formula:": "LaCl3",
+      "Beta0": "0.0002055",
+      "Beta1": "-0.001878",
+      "Beta2": "0",
+      "Cphi": "-0.0000158",
+      "V_o": "14.3",
+      "Max_C": "3.896"
+    },
+    {
+      "Formula:": "Pb(NO3)2",
+      "Beta0": "-0.001126",
+      "Beta1": "0.009357",
+      "Beta2": "0",
+      "Cphi": "0.0007057",
+      "V_o": "42.5",
+      "Max_C": "1.5"
+    },
+    {
+      "Formula:": "LiCH3COO",
+      "Beta0": "0.2285",
+      "Beta1": "-0.3546",
+      "Beta2": "0",
+      "Cphi": "-0.3956",
+      "V_o": "39.8",
+      "Max_C": "0.305"
+    },
+    {
+      "Formula:": "LiBr",
+      "Beta0": "0.00005254",
+      "Beta1": "-0.00008455",
+      "Beta2": "0",
+      "Cphi": "-0.00001038",
+      "V_o": "23.8",
+      "Max_C": "10.63"
+    },
+    {
+      "Formula:": "LiCl",
+      "Beta0": "0.000112",
+      "Beta1": "-0.0002186",
+      "Beta2": "0",
+      "Cphi": "-0.00001729",
+      "V_o": "16.9",
+      "Max_C": "8.288"
+    },
+    {
+      "Formula:": "LiOH",
+      "Beta0": "0.00006931",
+      "Beta1": "0.0006398",
+      "Beta2": "0",
+      "Cphi": "0.00001253",
+      "V_o": "-4.9",
+      "Max_C": "4.9"
+    },
+    {
+      "Formula:": "LiI",
+      "Beta0": "-0.0006691",
+      "Beta1": "0.001811",
+      "Beta2": "0",
+      "Cphi": "0.000192",
+      "V_o": "35.3",
+      "Max_C": "2.906"
+    },
+    {
+      "Formula:": "LiNO3",
+      "Beta0": "-0.000108",
+      "Beta1": "0.0009862",
+      "Beta2": "0",
+      "Cphi": "0.00001359",
+      "V_o": "28.1",
+      "Max_C": "12.87"
+    },
+    {
+      "Formula:": "LiClO4",
+      "Beta0": "0.00001216",
+      "Beta1": "-0.00003995",
+      "Beta2": "0",
+      "Cphi": "0.000002271",
+      "V_o": "43.2",
+      "Max_C": "4.423"
+    },
+    {
+      "Formula:": "Li2SO4",
+      "Beta0": "-0.000000641",
+      "Beta1": "0.002637",
+      "Beta2": "0",
+      "Cphi": "0.00006592",
+      "V_o": "12.2",
+      "Max_C": "3.125"
+    },
+    {
+      "Formula:": "Mg(CH3COO)2",
+      "Beta0": "0.0006679",
+      "Beta1": "-0.0002526",
+      "Beta2": "0",
+      "Cphi": "0.0001019",
+      "V_o": "60.2",
+      "Max_C": "0.573"
+    },
+    {
+      "Formula:": "MgBr2",
+      "Beta0": "0.0003715",
+      "Beta1": "-0.001361",
+      "Beta2": "0",
+      "Cphi": "-0.00005296",
+      "V_o": "28.2",
+      "Max_C": "5.431"
+    },
+    {
+      "Formula:": "MgCl2",
+      "Beta0": "0.0001747",
+      "Beta1": "-0.0007983",
+      "Beta2": "0",
+      "Cphi": "-0.0000176",
+      "V_o": "14.4",
+      "Max_C": "5.411"
+    },
+    {
+      "Formula:": "MgI2",
+      "Beta0": "-0.0003579",
+      "Beta1": "0.0005617",
+      "Beta2": "0",
+      "Cphi": "0.00007818",
+      "V_o": "51.2",
+      "Max_C": "4.965"
+    },
+    {
+      "Formula:": "Mg(NO3)2",
+      "Beta0": "-0.00004771",
+      "Beta1": "0.001289",
+      "Beta2": "0",
+      "Cphi": "0.00004135",
+      "V_o": "36.8",
+      "Max_C": "4.132"
+    },
+    {
+      "Formula:": "Mg(ClO4)2",
+      "Beta0": "-0.000456",
+      "Beta1": "0.001183",
+      "Beta2": "0",
+      "Cphi": "0.0001487",
+      "V_o": "67",
+      "Max_C": "3.774"
+    },
+    {
+      "Formula:": "MgSO4",
+      "Beta0": "0.001258",
+      "Beta1": "-0.003115",
+      "Beta2": "0.2054",
+      "Cphi": "-0.00035",
+      "V_o": "-7.2",
+      "Max_C": "3.045"
+    },
+    {
+      "Formula:": "MnCl2",
+      "Beta0": "0.00008053",
+      "Beta1": "0.0002428",
+      "Beta2": "0",
+      "Cphi": "-0.000072",
+      "V_o": "17.9",
+      "Max_C": "4.87"
+    },
+    {
+      "Formula:": "MnSO4",
+      "Beta0": "0.001401",
+      "Beta1": "0.008694",
+      "Beta2": "-0.6453",
+      "Cphi": "-0.0003672",
+      "V_o": "-3.7",
+      "Max_C": "4.059"
+    },
+    {
+      "Formula:": "NdCl3",
+      "Beta0": "0.0001766",
+      "Beta1": "-0.002234",
+      "Beta2": "0",
+      "Cphi": "0.00000153",
+      "V_o": "10.1",
+      "Max_C": "2.446"
+    },
+    {
+      "Formula:": "NiCl2",
+      "Beta0": "0.000931",
+      "Beta1": "-0.009151",
+      "Beta2": "0",
+      "Cphi": "-0.0002144",
+      "V_o": "11.6",
+      "Max_C": "4"
+    },
+    {
+      "Formula:": "Ni(NO3)2",
+      "Beta0": "0.0007228",
+      "Beta1": "-0.007909",
+      "Beta2": "0",
+      "Cphi": "-0.0001295",
+      "V_o": "34",
+      "Max_C": "5.473"
+    },
+    {
+      "Formula:": "NiSO4",
+      "Beta0": "-0.0009428",
+      "Beta1": "0.008912",
+      "Beta2": "-0.1698",
+      "Cphi": "0.0008331",
+      "V_o": "-10",
+      "Max_C": "2.513"
+    },
+    {
+      "Formula:": "HNO3",
+      "Beta0": "-0.0000467",
+      "Beta1": "0.00000804",
+      "Beta2": "0",
+      "Cphi": "0.00001148",
+      "V_o": "29",
+      "Max_C": "10.58"
+    },
+    {
+      "Formula:": "HClO4",
+      "Beta0": "-0.000044",
+      "Beta1": "-0.0004062",
+      "Beta2": "0",
+      "Cphi": "-0.0000041",
+      "V_o": "44.1",
+      "Max_C": "7.657"
+    },
+    {
+      "Formula:": "KCH3COO",
+      "Beta0": "-0.0003029",
+      "Beta1": "0.001099",
+      "Beta2": "0",
+      "Cphi": "0.000163",
+      "V_o": "49.7",
+      "Max_C": "3"
+    },
+    {
+      "Formula:": "KHCO3",
+      "Beta0": "-0.004118",
+      "Beta1": "0.009972",
+      "Beta2": "0",
+      "Cphi": "0.003723",
+      "V_o": "32.4",
+      "Max_C": "0.9927"
+    },
+    {
+      "Formula:": "Kbr",
+      "Beta0": "0.00002655",
+      "Beta1": "0.000352",
+      "Beta2": "0",
+      "Cphi": "0.00001061",
+      "V_o": "33.7",
+      "Max_C": "5.15"
+    },
+    {
+      "Formula:": "K2CO3",
+      "Beta0": "0.0003036",
+      "Beta1": "0.002002",
+      "Beta2": "0",
+      "Cphi": "-0.00001749",
+      "V_o": "13.7",
+      "Max_C": "7.236"
+    },
+    {
+      "Formula:": "KClO4",
+      "Beta0": "0.007989",
+      "Beta1": "-0.01589",
+      "Beta2": "0",
+      "Cphi": "-0.006796",
+      "V_o": "45.7",
+      "Max_C": "0.5209"
+    },
+    {
+      "Formula:": "KClO4",
+      "Beta0": "-0.00005462",
+      "Beta1": "0.0007677",
+      "Beta2": "0",
+      "Cphi": "0.00003875",
+      "V_o": "26.8",
+      "Max_C": "4.819"
+    },
+    {
+      "Formula:": "KCrO4",
+      "Beta0": "0.002546",
+      "Beta1": "-0.003975",
+      "Beta2": "0",
+      "Cphi": "-0.002894",
+      "V_o": "37.7",
+      "Max_C": "0.5344"
+    },
+    {
+      "Formula:": "KH2PO4",
+      "Beta0": "-0.01553",
+      "Beta1": "0.03513",
+      "Beta2": "0",
+      "Cphi": "0.01295",
+      "V_o": "38.1",
+      "Max_C": "1.052"
+    },
+    {
+      "Formula:": "KF",
+      "Beta0": "0.0001522",
+      "Beta1": "0.0002207",
+      "Beta2": "0",
+      "Cphi": "-0.0000107",
+      "V_o": "7.8",
+      "Max_C": "9.682"
+    },
+    {
+      "Formula:": "K2HPO4",
+      "Beta0": "0.003047",
+      "Beta1": "-0.01139",
+      "Beta2": "0",
+      "Cphi": "-0.001433",
+      "V_o": "25.7",
+      "Max_C": "1.269"
+    },
+    {
+      "Formula:": "KOH",
+      "Beta0": "0.0002293",
+      "Beta1": "0.0001509",
+      "Beta2": "0",
+      "Cphi": "-0.000015",
+      "V_o": "5",
+      "Max_C": "14"
+    },
+    {
+      "Formula:": "KI",
+      "Beta0": "0.00005655",
+      "Beta1": "-0.0000666",
+      "Beta2": "0",
+      "Cphi": "-0.0000025",
+      "V_o": "45.2",
+      "Max_C": "8.58"
+    },
+    {
+      "Formula:": "KNO3",
+      "Beta0": "-0.0000956",
+      "Beta1": "0.001052",
+      "Beta2": "0",
+      "Cphi": "0.00007173",
+      "V_o": "38",
+      "Max_C": "3.699"
+    },
+    {
+      "Formula:": "KNO2",
+      "Beta0": "0.005617",
+      "Beta1": "-0.03184",
+      "Beta2": "0",
+      "Cphi": "-0.001442",
+      "V_o": "35.2",
+      "Max_C": "4.627"
+    },
+    {
+      "Formula:": "K3PO4",
+      "Beta0": "-0.004567",
+      "Beta1": "0.0232",
+      "Beta2": "0",
+      "Cphi": "0.004585",
+      "V_o": "-3.6",
+      "Max_C": "0.6786"
+    },
+    {
+      "Formula:": "K2SO4",
+      "Beta0": "-0.001179",
+      "Beta1": "0.006263",
+      "Beta2": "0",
+      "Cphi": "0.001473",
+      "V_o": "32",
+      "Max_C": "1.05"
+    },
+    {
+      "Formula:": "KSCN",
+      "Beta0": "-0.001886",
+      "Beta1": "0.01131",
+      "Beta2": "0",
+      "Cphi": "0.0004367",
+      "V_o": "44.7",
+      "Max_C": "4.843"
+    },
+    {
+      "Formula:": "PrCl3",
+      "Beta0": "0.0002134",
+      "Beta1": "-0.002257",
+      "Beta2": "0",
+      "Cphi": "-0.0000133",
+      "V_o": "10.9",
+      "Max_C": "3.891"
+    },
+    {
+      "Formula:": "RbBr",
+      "Beta0": "0.0001276",
+      "Beta1": "0.00003187",
+      "Beta2": "0",
+      "Cphi": "-0.00001925",
+      "V_o": "38.8",
+      "Max_C": "4.948"
+    },
+    {
+      "Formula:": "RbCl",
+      "Beta0": "0.0001066",
+      "Beta1": "0.0001653",
+      "Beta2": "0",
+      "Cphi": "-0.0000096",
+      "V_o": "31.9",
+      "Max_C": "6.146"
+    },
+    {
+      "Formula:": "RbF",
+      "Beta0": "-0.0006142",
+      "Beta1": "0.001394",
+      "Beta2": "0",
+      "Cphi": "0.0002071",
+      "V_o": "12.9",
+      "Max_C": "3.363"
+    },
+    {
+      "Formula:": "RbOH",
+      "Beta0": "0.001028",
+      "Beta1": "-0.008523",
+      "Beta2": "0",
+      "Cphi": "-0.00009437",
+      "V_o": "10.1",
+      "Max_C": "5.981"
+    },
+    {
+      "Formula:": "RbI",
+      "Beta0": "0.0005434",
+      "Beta1": "-0.0009866",
+      "Beta2": "0",
+      "Cphi": "-0.0002034",
+      "V_o": "50.3",
+      "Max_C": "4.709"
+    },
+    {
+      "Formula:": "RbNO3",
+      "Beta0": "0.00005016",
+      "Beta1": "0.001233",
+      "Beta2": "0",
+      "Cphi": "-0.00006796",
+      "V_o": "43.1",
+      "Max_C": "2.906"
+    },
+    {
+      "Formula:": "Rb2SO4",
+      "Beta0": "0.01365",
+      "Beta1": "-0.06837",
+      "Beta2": "0",
+      "Cphi": "-0.00571",
+      "V_o": "42.2",
+      "Max_C": "1.605"
+    },
+    {
+      "Formula:": "SmCl3",
+      "Beta0": "0.0001604",
+      "Beta1": "-0.002372",
+      "Beta2": "0",
+      "Cphi": "-0.000002",
+      "V_o": "11.1",
+      "Max_C": "3.64"
+    },
+    {
+      "Formula:": "AgNO3",
+      "Beta0": "-0.02262",
+      "Beta1": "0.03271",
+      "Beta2": "0",
+      "Cphi": "0.0494",
+      "V_o": "28.3",
+      "Max_C": "0.1822"
+    },
+    {
+      "Formula:": "NaCH3COO",
+      "Beta0": "0.0003546",
+      "Beta1": "-0.0006847",
+      "Beta2": "0",
+      "Cphi": "-0.0000788",
+      "V_o": "39.5",
+      "Max_C": "4.283"
+    },
+    {
+      "Formula:": "NaHCO3",
+      "Beta0": "-0.0004402",
+      "Beta1": "0.00301",
+      "Beta2": "0",
+      "Cphi": "0.0004983",
+      "V_o": "22.2",
+      "Max_C": "1.1"
+    },
+    {
+      "Formula:": "NaBrO3",
+      "Beta0": "0.0004794",
+      "Beta1": "-0.0007243",
+      "Beta2": "0",
+      "Cphi": "-0.0001687",
+      "V_o": "34.1",
+      "Max_C": "2.577"
+    },
+    {
+      "Formula:": "NaBr",
+      "Beta0": "0.00004333",
+      "Beta1": "0.0002528",
+      "Beta2": "0",
+      "Cphi": "-0.0000014",
+      "V_o": "23.5",
+      "Max_C": "8.376"
+    },
+    {
+      "Formula:": "Na2CO3",
+      "Beta0": "0.0006672",
+      "Beta1": "0.000391",
+      "Beta2": "0",
+      "Cphi": "-0.0001041",
+      "V_o": "-6.7",
+      "Max_C": "2.979"
+    },
+    {
+      "Formula:": "NaClO4",
+      "Beta0": "0.0001057",
+      "Beta1": "0.0002797",
+      "Beta2": "0",
+      "Cphi": "-0.000009971",
+      "V_o": "35.5",
+      "Max_C": "3.507"
+    },
+    {
+      "Formula:": "NaCl",
+      "Beta0": "0.0001116",
+      "Beta1": "0.00007507",
+      "Beta2": "0",
+      "Cphi": "-0.0000102",
+      "V_o": "16.6",
+      "Max_C": "6.1"
+    },
+    {
+      "Formula:": "NaCrO4",
+      "Beta0": "0.0005722",
+      "Beta1": "-0.001298",
+      "Beta2": "0",
+      "Cphi": "-0.0000595",
+      "V_o": "17.3",
+      "Max_C": "4.234"
+    },
+    {
+      "Formula:": "NaH2PO4",
+      "Beta0": "-0.00008958",
+      "Beta1": "0.003652",
+      "Beta2": "0",
+      "Cphi": "0.00009716",
+      "V_o": "27.9",
+      "Max_C": "5.557"
+    },
+    {
+      "Formula:": "NaF",
+      "Beta0": "0.002113",
+      "Beta1": "-0.003857",
+      "Beta2": "0",
+      "Cphi": "-0.001535",
+      "V_o": "-2.4",
+      "Max_C": "0.9923"
+    },
+    {
+      "Formula:": "NaHCO2",
+      "Beta0": "-0.001729",
+      "Beta1": "0.001149",
+      "Beta2": "0",
+      "Cphi": "0.00009071",
+      "V_o": "24.9",
+      "Max_C": "3.458"
+    },
+    {
+      "Formula:": "Na2HPO4",
+      "Beta0": "0.007018",
+      "Beta1": "-0.01855",
+      "Beta2": "0",
+      "Cphi": "-0.006621",
+      "V_o": "5.3",
+      "Max_C": "0.5844"
+    },
+    {
+      "Formula:": "NaOH",
+      "Beta0": "0.000218",
+      "Beta1": "0.0005212",
+      "Beta2": "0",
+      "Cphi": "-0.0000107",
+      "V_o": "-5.2",
+      "Max_C": "10.88"
+    },
+    {
+      "Formula:": "NaI",
+      "Beta0": "0.000053",
+      "Beta1": "-0.00001965",
+      "Beta2": "0",
+      "Cphi": "-0.000003742",
+      "V_o": "35",
+      "Max_C": "8.491"
+    },
+    {
+      "Formula:": "NaNO3",
+      "Beta0": "0.00004904",
+      "Beta1": "0.0006559",
+      "Beta2": "0",
+      "Cphi": "0.000002789",
+      "V_o": "27.8",
+      "Max_C": "10.76"
+    },
+    {
+      "Formula:": "NaClO4",
+      "Beta0": "-0.0000745",
+      "Beta1": "0.000581",
+      "Beta2": "0",
+      "Cphi": "0.00003023",
+      "V_o": "42.9",
+      "Max_C": "5.914"
+    },
+    {
+      "Formula:": "Na3PO4",
+      "Beta0": "-0.002545",
+      "Beta1": "0.01227",
+      "Beta2": "0",
+      "Cphi": "0.00337",
+      "V_o": "-25",
+      "Max_C": "0.6657"
+    },
+    {
+      "Formula:": "Na2SO4",
+      "Beta0": "0.0004129",
+      "Beta1": "0.001954",
+      "Beta2": "0",
+      "Cphi": "-0.000037",
+      "V_o": "11.6",
+      "Max_C": "4.694"
+    },
+    {
+      "Formula:": "NaSCN",
+      "Beta0": "0.00002294",
+      "Beta1": "0.00132",
+      "Beta2": "0",
+      "Cphi": "0.00001076",
+      "V_o": "34.5",
+      "Max_C": "11.39"
+    },
+    {
+      "Formula:": "Na2S2O3",
+      "Beta0": "0.0004842",
+      "Beta1": "-0.002513",
+      "Beta2": "0",
+      "Cphi": "-0.00004894",
+      "V_o": "31.5",
+      "Max_C": "3.877"
+    },
+    {
+      "Formula:": "SrBr2",
+      "Beta0": "0.007083",
+      "Beta1": "-0.04615",
+      "Beta2": "0",
+      "Cphi": "-0.002154",
+      "V_o": "31.2",
+      "Max_C": "2.082"
+    },
+    {
+      "Formula:": "SrCl2",
+      "Beta0": "-0.0001879",
+      "Beta1": "0.000902",
+      "Beta2": "0",
+      "Cphi": "0.0003076",
+      "V_o": "17.4",
+      "Max_C": "2.5"
+    },
+    {
+      "Formula:": "SrI2",
+      "Beta0": "0.001036",
+      "Beta1": "-0.005949",
+      "Beta2": "0",
+      "Cphi": "-0.0004075",
+      "V_o": "54.2",
+      "Max_C": "1.953"
+    },
+    {
+      "Formula:": "Sr(NO3)2",
+      "Beta0": "-0.00003284",
+      "Beta1": "0.002829",
+      "Beta2": "0",
+      "Cphi": "0.00005989",
+      "V_o": "39.8",
+      "Max_C": "3.677"
+    },
+    {
+      "Formula:": "Sr(ClO4)2",
+      "Beta0": "0.0001766",
+      "Beta1": "0.0009002",
+      "Beta2": "0",
+      "Cphi": "-0.00000532",
+      "V_o": "70",
+      "Max_C": "5.694"
+    },
+    {
+      "Formula:": "UO2Cl2",
+      "Beta0": "-0.001859",
+      "Beta1": "0.01198",
+      "Beta2": "0",
+      "Cphi": "0.0009958",
+      "V_o": "41.5",
+      "Max_C": "1.61"
+    },
+    {
+      "Formula:": "UO2(NO3)2",
+      "Beta0": "-0.003023",
+      "Beta1": "0.01065",
+      "Beta2": "0",
+      "Cphi": "0.002546",
+      "V_o": "63.9",
+      "Max_C": "0.8309"
+    },
+    {
+      "Formula:": "UO2SO4",
+      "Beta0": "0.006991",
+      "Beta1": "-0.01624",
+      "Beta2": "0",
+      "Cphi": "-0.008161",
+      "V_o": "19.9",
+      "Max_C": "1.344"
+    },
+    {
+      "Formula:": "YCl3",
+      "Beta0": "0.0001755",
+      "Beta1": "-0.00221",
+      "Beta2": "1.12",
+      "Cphi": "-0.000008892",
+      "V_o": "12.6",
+      "Max_C": "3.948"
+    },
+    {
+      "Formula:": "YNO3",
+      "Beta0": "0.0001792",
+      "Beta1": "-0.002485",
+      "Beta2": "0",
+      "Cphi": "0.000003738",
+      "V_o": "46.2",
+      "Max_C": "1.058"
+    },
+    {
+      "Formula:": "ZnBr2",
+      "Beta0": "0.001058",
+      "Beta1": "0.0007117",
+      "Beta2": "0",
+      "Cphi": "-0.0003739",
+      "V_o": "20",
+      "Max_C": "1.999"
+    },
+    {
+      "Formula:": "ZnCl2",
+      "Beta0": "0.0001075",
+      "Beta1": "0.01003",
+      "Beta2": "0",
+      "Cphi": "0.0001495",
+      "V_o": "2",
+      "Max_C": "2.03"
+    },
+    {
+      "Formula:": "ZnI2",
+      "Beta0": "0.00006577",
+      "Beta1": "-0.001513",
+      "Beta2": "0",
+      "Cphi": "0.00002018",
+      "V_o": "50.8",
+      "Max_C": "2.892"
+    },
+    {
+      "Formula:": "Zn(NO3)2",
+      "Beta0": "0.0003004",
+      "Beta1": "-0.003951",
+      "Beta2": "0",
+      "Cphi": "-0.00003529",
+      "V_o": "36.4",
+      "Max_C": "5"
+    },
+    {
+      "Formula:": "Zn(ClO4)2",
+      "Beta0": "0.00007755",
+      "Beta1": "-0.0009444",
+      "Beta2": "0",
+      "Cphi": "0.00002731",
+      "V_o": "63",
+      "Max_C": "3.493"
+    },
+    {
+      "Formula:": "ZnSO4",
+      "Beta0": "0.00155",
+      "Beta1": "-0.004269",
+      "Beta2": "0.0965",
+      "Cphi": "-0.0004204",
+      "V_o": "-7.6",
+      "Max_C": "3.403"
+    }
+  ]