O Si 
 1.0000000000000000
     7.0544883004622951    0.0000000000000000   -0.1145541718406447
     0.0000000000000000    8.1604205502775464   -0.0000000000000000
     0.8628758705044276   -0.0000000000000000    5.5067412099782480
 O   Si 
  16   8
Selective dynamics
Cartesian
  1.9250528218753202  7.9453336112268929  3.0130755783571161   T   T   T
  5.9923113490914046  7.9453336112268929  2.3791114597804954   T   T   T
  5.4522969721064642  3.8651233360881174  2.9557984924367928   T   T   T
  2.4650671988602539  3.8651233360881174  2.4363885457008188   T   T   T
  2.5033620123023721  1.5837252669455881  1.2764517643989841   T   T   T
  5.4140021586643448  1.5837252669455881  4.1157352737386272   T   T   T
  6.0306061625335188  5.6639355420843627  1.2191746784786632   T   T   T
  1.8867580084332034  5.6639355420843627  4.1730123596589497   T   T   T
  1.4387908328183019  7.6632456831993787  0.2720463012126780   T   T   T
  6.4785733381484203  7.6632456831993787  5.1201407369249292   T   T   T
  4.9660349830494468  3.5830354080606037  0.2147692152923558   T   T   T
  2.9513291879172754  3.5830354080606037  5.1774178228452508   T   T   T
  4.1517322111857187  7.2982294349497963  4.0705949998073372   T   T   T
  3.7656319597810093  7.2982294349497963  1.3215920383302748   T   T   T
  7.6789763614168569  3.2180191598110266  4.0133179138870112   T   T   T
  0.2383878095498616  3.2180191598110266  1.3788691242505970   T   T   T
  2.3718323671721726  0.0020593044491878  1.4803785544426233   T   T   T
  5.5455318037945514  0.0020593044491878  3.9118084836949900   T   T   T
  5.8990765174033237  4.0822695795879591  1.4231014685223002   T   T   T
  2.0182876535634011  4.0822695795879591  3.9690855696153107   T   T   T
  5.3896520456369679  7.1380944183562871  1.1222917897717106   T   T   T
  2.5277121253297503  7.1380944183562871  4.2698952483658950   T   T   T
  1.8624078954058214  3.0578841432175126  1.1795688756920331   T   T   T
  6.0549562755608992  3.0578841432175126  4.2126181624455805   T   T   T