Si
    7.8519636609788996
     0.0000000000000000    0.5000000000000000    0.5000000000000000
     0.5000000000000000    0.0000000000000000    0.5000000000000000
     0.5000000000000000    0.5000000000000000    0.0000000000000000
 Si
   2
Selective dynamics
Direct
  0.0000000000000000  0.0000000000000000  0.0000000000000000   F   F   F
  0.2500000000000000  0.2500000000000000  0.2500000000000000   F   F   F

