O Si 
 1.0000000000000000
     7.4944571704333907   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    4.4257048612348324    0.0000000000000000
     0.0000000000000000    0.0000000000000000    9.7528690223394889
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  3.7472285852166962 -0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  0.0000000000000000  4.8764345111697454   T   T   T
  3.7472285852166962 -0.0000000000000000  4.8764345111697454   T   T   T
 -0.0000000000000000  2.2128524306174167  0.0000000000000000   T   T   T
  3.7472285852166962  2.2128524306174167  0.0000000000000000   T   T   T
 -0.0000000000000000  2.2128524306174167  4.8764345111697454   T   T   T
  3.7472285852166962  2.2128524306174167  4.8764345111697454   T   T   T
 -0.0000000000000000  1.2902266952874535  2.4382172555848727   T   T   T
  3.7472285852166962  3.1354781659473789  2.4382172555848727   T   T   T
  0.0000000000000000  3.1354781659473789  7.3146517667546167   T   T   T
  3.7472285852166962  1.2902266952874535  7.3146517667546167   T   T   T
  1.8736142926083481  0.0000000000000000  8.5895776034355045   T   T   T
  5.6208428778250434 -0.0000000000000000  6.0397259300737298   T   T   T
  5.6208428778250434 -0.0000000000000000  1.1632914189039838   T   T   T
  1.8736142926083481 -0.0000000000000000  3.7131430922657600   T   T   T
  0.6514572986044720  3.3488886887212237  8.7759630769488819   T   T   T
  3.0957712866122233  1.0768161725136078  8.7759630769488819   T   T   T
  6.8429998718289191  3.3488886887212237  5.8533404565603622   T   T   T
  4.3986858838211624  1.0768161725136078  5.8533404565603622   T   T   T
  6.8429998718289191  1.0768161725136078  0.9769059453906154   T   T   T
  4.3986858838211624  3.3488886887212237  0.9769059453906154   T   T   T
  0.6514572986044720  1.0768161725136078  3.8995285657791303   T   T   T
  3.0957712866122233  3.3488886887212237  3.8995285657791303   T   T   T