O Si 
 1.0000000000000000
     6.8125212726598221   -0.0572554445077880    0.0127209853551853
     1.0993980820035651    5.9480691471654010    0.0294189004887574
    -3.0358054813705948    2.1973307829655973    5.0317484590748558
 O   Si 
  12   6
Selective dynamics
Cartesian
 -1.5116492142971210  2.8787540253716668  4.5359606576945790   T   T   T
  3.3553890159541067  6.8057889405418992  2.6403766630347647   T   T   T
  2.1889956204425625  2.9022097864290228  0.9037061972861579   T   T   T
 -0.0251555132046435  4.6779343071516060  2.9154510120815806   T   T   T
  2.6136445119450111  5.0348024939126059  4.2779960865926006   T   T   T
 -0.9895613451884411  1.3022452879192308  2.2012453308187436   T   T   T
  4.4257410629260896  3.5398360372450317  2.3027855397131103   T   T   T
  0.9564919983606521  2.6499980887116630  3.3777302885393405   T   T   T
  6.7069963163364417  5.1250011559202679  0.3236386722717474   T   T   T
  3.7477814392793811  1.3790827684466329  0.5484951734488078   T   T   T
  2.1151972814797846  5.5334182638604013  1.5281135480533372   T   T   T
  1.1873539357571716  6.5272570937756420  4.9022071826443181   T   T   T
  3.3208957730217858  4.0327672327710022  1.1944053734432001   T   T   T
 -1.1165972051277977  2.7745852488114822  2.9422585172146509   T   T   T
  2.1700104128298321  1.2777866492807579  0.9555886733123593   T   T   T
  1.3645672407280236  4.0118419581374605  4.1719196732998887   T   T   T
  0.4762879165487422  5.7139988834668438  1.7331934988870390   T   T   T
  2.6782608588906358  6.7096959188026633  4.1995427795934281   T   T   T