O Si 
 1.0000000000000000
     8.9078434098017887    0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    8.9078434098017869   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    5.0613500906402260
 O   Si 
  16   8
Selective dynamics
Cartesian
  6.2689354814945206  2.0991813531899677  1.5516060323923659   T   T   T
  2.6389079283072658  6.8086620566118139  1.5516060323923655   T   T   T
  2.0991813531899695  2.6389079283072618  3.5097440582478576   T   T   T
  6.8086620566118166  6.2689354814945171  3.5097440582478576   T   T   T
  1.8150137765936287  6.5531030580908585  4.0822810777124721   T   T   T
  7.0928296332081624  2.3547403517109240  4.0822810777124721   T   T   T
  6.5531030580908629  7.0928296332081588  0.9790690129277465   T   T   T
  2.3547403517109249  1.8150137765936272  0.9790690129277465   T   T   T
  4.5028798096692837  2.6423724078567825  4.6804916340472014   T   T   T
  4.4049636001325059  6.2654710019449933  4.6804916340472014   T   T   T
  2.6423724078567847  4.4049636001325041  0.3808584565930280   T   T   T
  6.2654710019450022  4.5028798096692810  0.3808584565930280   T   T   T
  0.0489581047683865  7.0962941127576737  2.1498165887270817   T   T   T
  8.8588853050334020  1.8115492970441074  2.1498165887270817   T   T   T
  7.0962941127576782  8.8588853050333931  2.9115335019131408   T   T   T
  1.8115492970441096  0.0489581047683847  2.9115335019131408   T   T   T
  6.0325289815549956  2.8997934805655730  0.1431342550089118   T   T   T
  2.8753144282467948  6.0080499292362122  0.1431342550089118   T   T   T
  2.8997934805655730  2.8753144282467935  4.9182158356313117   T   T   T
  6.0080499292362175  6.0325289815549938  4.9182158356313117   T   T   T
  1.5786072766541013  7.3537151854664602  2.6738093003290238   T   T   T
  7.3292361331476892  1.5541282243353218  2.6738093003290238   T   T   T
  7.3537151854664646  7.3292361331476830  2.3875407903112023   T   T   T
  1.5541282243353234  1.5786072766541008  2.3875407903112023   T   T   T