(Si)8  (Fd-3m) ~ Si  (VASP)             
   1.00000000000000     
     0.0000000000000000    2.7345411433412976    2.7345411433412976
     2.7345411433412976    0.0000000000000000    2.7345411433412976
     2.7345411433412976    2.7345411433412976   -0.0000000000000000
   Si
     2
Direct
  0.3750000000000000  0.3750000000000000  0.3750000000000000
  0.6250000000000000  0.6250000000000000  0.6250000000000000
 
  0.00000000E+00  0.00000000E+00  0.00000000E+00
  0.00000000E+00  0.00000000E+00  0.00000000E+00