O Si 
 1.0000000000000000
     9.4874326438486030    0.0000000000000000    0.0000000000000000
     0.0000000000000000    9.8174491882844226    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.2772486907639209
 O   Si 
  16   8
Selective dynamics
Cartesian
  2.3718581609621499  2.4543622970711056 -0.0000000000000000   T   T   T
  7.1155744828864496  7.3630868912133147  0.0000000000000000   T   T   T
  7.1155744828864496  2.4543622970711056 -0.0000000000000000   T   T   T
  2.3718581609621499  7.3630868912133147  0.0000000000000000   T   T   T
  7.2827315380386697 -0.0000000000000000 -0.0000000000000000   T   T   T
  2.2047011058099306  0.0000000000000000 -0.0000000000000000   T   T   T
  6.9484174277342277  4.9087245941422113  0.0000000000000000   T   T   T
  2.5390152161143726  4.9087245941422113 -0.0000000000000000   T   T   T
  8.1309346367901227  0.0000000000000000  2.1386243453819596   T   T   T
  1.3564980070584847  0.0000000000000000  2.1386243453819596   T   T   T
  6.1002143289827835  4.9087245941422113  2.1386243453819596   T   T   T
  3.3872183148658142  4.9087245941422113  2.1386243453819596   T   T   T
 -0.0000000000000000  1.5665910742133018  0.0000000000000000   T   T   T
  0.0000000000000000  8.2508581140711197  0.0000000000000000   T   T   T
  4.7437163219242997  3.3421335199289071 -0.0000000000000000   T   T   T
  4.7437163219242997  6.4753156683555133 -0.0000000000000000   T   T   T
  8.0418139931173016  8.5158717039728042  3.5575533722431301   T   T   T
  1.4456186507312916  1.3015774843116079  3.5575533722431301   T   T   T
  1.4456186507312916  8.5158717039728042  0.7196953185207924   T   T   T
  8.0418139931173016  1.3015774843116079  0.7196953185207924   T   T   T
  6.1893349726555877  6.2103020784538234  0.7196953185207924   T   T   T
  3.2980976711930081  3.6071471098306018  0.7196953185207924   T   T   T
  3.2980976711930081  6.2103020784538234  3.5575533722431301   T   T   T
  6.1893349726555877  3.6071471098306018  3.5575533722431301   T   T   T