POSCAR1.vasp

    please input poscar
  1.0
          5.4299998283         0.0000000000         0.0000000000
          0.0000000000         5.4299998283         0.0000000000
          0.0000000000         0.0000000000         5.4299998283
     Si
      8
  Direct
       0.000000000         0.000000000         0.000000000
       0.000000000         0.500000000         0.500000000
       0.500000000         0.500000000         0.000000000
       0.500000000         0.000000000         0.500000000
       0.750000000         0.250000000         0.750000000
       0.250000000         0.250000000         0.250000000
       0.250000000         0.750000000         0.750000000
       0.750000000         0.750000000         0.250000000