O Si 
 1.0000000000000000
     5.0808736160939079    0.0000000000000000    0.0000000000000000
    -2.5404368080469539    4.4001656249554228    0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    5.6443526024873840
 O   Si 
   6   3
Selective dynamics
Cartesian
 -0.0000000000000009  1.8621377378829724  0.0000000000000000   T   T   T
  0.9277782216946087  3.4690967560139372  3.7629017349915874   T   T   T
 -0.9277782216946120  3.4690967560139372  1.8814508674957937   T   T   T
  2.5404368080469522  2.5380278870724511 -0.0000000000000000   T   T   T
  1.6126585863523435  0.9310688689414863  3.7629017349915874   T   T   T
  3.4682150297415633  0.9310688689414863  1.8814508674957937   T   T   T
  2.5404368080469539  0.0000000000000002  2.8221763012436916   T   T   T
 -1.2702184040234779  2.2000828124777128  0.9407254337478961   T   T   T
  1.2702184040234761  2.2000828124777128  4.7036271687394873   T   T   T