O Si 
 1.0000000000000000
     7.4415156956267925   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    7.4415156956267925   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    7.4415156956267925
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.9301894619533487  0.9301894619533488  0.9301894619533487   T   T   T
  6.5113262336734419  2.7905683858600470  4.6509473097667433   T   T   T
  2.7905683858600465  4.6509473097667442  6.5113262336734419   T   T   T
  4.6509473097667433  6.5113262336734428  2.7905683858600465   T   T   T
  2.7905683858600465  6.5113262336734428  4.6509473097667433   T   T   T
  6.5113262336734419  4.6509473097667442  2.7905683858600465   T   T   T
  4.6509473097667433  2.7905683858600470  6.5113262336734419   T   T   T
  0.9301894619533487  4.6509473097667442  4.6509473097667433   T   T   T
  6.5113262336734419  6.5113262336734428  0.9301894619533487   T   T   T
  2.7905683858600465  0.9301894619533488  2.7905683858600465   T   T   T
  2.7905683858600465  2.7905683858600470  0.9301894619533487   T   T   T
  6.5113262336734419  0.9301894619533488  6.5113262336734419   T   T   T
  4.6509473097667433  0.9301894619533488  4.6509473097667433   T   T   T
  0.9301894619533487  6.5113262336734428  6.5113262336734419   T   T   T
  0.9301894619533487  2.7905683858600470  2.7905683858600465   T   T   T
  4.6509473097667433  4.6509473097667442  0.9301894619533487   T   T   T
 -0.0000000000000004  0.0000000000000000 -0.0000000000000004   T   T   T
 -0.0000000000000004  3.7207578478133954  3.7207578478133949   T   T   T
  3.7207578478133949  3.7207578478133954 -0.0000000000000004   T   T   T
  3.7207578478133949 -0.0000000000000000  3.7207578478133949   T   T   T
  5.5811367717200930  1.8603789239066977  5.5811367717200930   T   T   T
  1.8603789239066975  1.8603789239066977  1.8603789239066975   T   T   T
  1.8603789239066975  5.5811367717200939  5.5811367717200930   T   T   T
  5.5811367717200930  5.5811367717200939  1.8603789239066975   T   T   T