O Si 
 1.0000000000000000
     5.7629455546256603    0.0000000000000000    0.0000000000000000
     0.0000000000000000    5.7629455546256603    0.0000000000000000
     0.0000000000000000    0.0000000000000000    5.7629455546256603
 O   Si 
  32  16
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.8814727773128288  0.0000000000000000  2.8814727773128288   T   T   T
  0.0000000000000000  2.8814727773128288  2.8814727773128288   T   T   T
  2.8814727773128288  2.8814727773128288  0.0000000000000000   T   T   T
  2.8814727773128288  2.8814727773128288  2.8814727773128288   T   T   T
  0.0000000000000000  2.8814727773128288  0.0000000000000000   T   T   T
  2.8814727773128288  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  0.0000000000000000  2.8814727773128288   T   T   T
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  3.4097843790633235  0.0000000000000000  4.3222091659692587   T   T   T
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  2.8814727773128288  1.4407363886564146  0.5283116017504887   T   T   T
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  3.7794051151610870  1.9835404394645726  4.8650132167773927   T   T   T
  3.7794051151610870  3.7794051151610870  3.7794051151610861   T   T   T
  4.8650132167773936  1.9835404394645726  0.8979323378482562   T   T   T
  1.9835404394645730  0.8979323378482562  4.8650132167773927   T   T   T
  0.8979323378482562  4.8650132167773936  1.9835404394645726   T   T   T
  4.8650132167773936  4.8650132167773936  4.8650132167773927   T   T   T
  3.7794051151610870  0.8979323378482564  1.9835404394645726   T   T   T
  0.8979323378482562  1.9835404394645726  3.7794051151610870   T   T   T
  1.9835404394645726  3.7794051151610870  0.8979323378482562   T   T   T
  1.9835404394645730  1.9835404394645726  1.9835404394645726   T   T   T
  0.8979323378482562  3.7794051151610870  4.8650132167773927   T   T   T
  3.7794051151610870  4.8650132167773936  0.8979323378482562   T   T   T
  4.8650132167773936  0.8979323378482561  3.7794051151610870   T   T   T