O Si 
 1.0000000000000000
     4.4948879995058961    0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.4948879995058961    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.4948879995058961
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0193653644481842  0.0193653644481842  0.0193653644481842   T   T   T
  2.2280786353047728  4.4755226350577226  2.2668093642011318   T   T   T
  4.4755226350577226  2.2668093642011318  2.2280786353047723   T   T   T
  2.2668093642011318  2.2280786353047723  4.4755226350577226   T   T   T
  2.2178946062714093  3.5276788824136531  0.1209356840217205   T   T   T
  4.5244373929874424  0.9672091170922594  2.3683796837746729   T   T   T
  2.2769933932345023  1.2802348826606902  2.1265083157312321   T   T   T
 -0.0295493934815432  3.2146531168452093  4.3739523154841820   T   T   T
  0.1209356840217204  2.2178946062714093  3.5276788824136522   T   T   T
  2.3683796837746729  4.5244373929874424  0.9672091170922592   T   T   T
  2.1265083157312312  2.2769933932345019  1.2802348826606902   T   T   T
  4.3739523154841820 -0.0295493934815429  3.2146531168452093   T   T   T
  3.5276788824136527  0.1209356840217204  2.2178946062714093   T   T   T
  0.9672091170922594  2.3683796837746733  4.5244373929874424   T   T   T
  1.2802348826606909  2.1265083157312312  2.2769933932345028   T   T   T
  3.2146531168452093  4.3739523154841820 -0.0295493934815431   T   T   T
  1.0323545452849139  1.0323545452849139  1.0323545452849143   T   T   T
  1.2150894544680377  3.4625334542209929  3.2797985450378651   T   T   T
  3.4625334542209929  3.2797985450378668  1.2150894544680375   T   T   T
  3.2797985450378668  1.2150894544680380  3.4625334542209938   T   T   T
 -1.2663633333924458 -1.2663633333924458 -1.2663633333924458   T   T   T
  3.5138073331453992  5.7612513328983566  0.9810806663605061   T   T   T
  5.7612513328983574  0.9810806663605064  3.5138073331453992   T   T   T
  0.9810806663605065  3.5138073331453983  5.7612513328983583   T   T   T