O Si 
 1.0000000000000000
     5.0158156048436870    0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.8005949023691938    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.9599468698233524
 O   Si 
   8   4
Selective dynamics
Cartesian
  4.9142167142571891  3.0249040942664740  1.5152084484270429   T   T   T
  0.1015988905864995  3.7756908081027141  3.9951818833387192   T   T   T
  2.4063089118353465  0.3753933569181191  1.5152084484270429   T   T   T
  2.6095066930083406  6.4252015454510669  3.9951818833387192   T   T   T
  4.2374116993840625  5.4418093823672695  2.2074024371634686   T   T   T
  0.7784039054596266  1.3587855200019157  4.6873758720751511   T   T   T
  1.7295038969622194  4.7590829711865155  2.2074024371634686   T   T   T
  3.2863117078814694  2.0415119311826753  4.6873758720751511   T   T   T
  4.7698925341361607  2.5526375183214589  4.9573456864700267   T   T   T
  0.2459230707075253  4.2479573840477300  2.4773722515583469   T   T   T
  2.2619847317143211  0.8476599328631342  4.9573456864700267   T   T   T
  2.7538308731293686  5.9529349695060567  2.4773722515583469   T   T   T