O Si 
 1.0000000000000000
     9.1070696574542129   -0.0000000000000000   -0.0000000000000000
    -4.5535348287271065    7.8869536773897959   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    5.4134219206269583
 O   Si 
  12   6
Selective dynamics
Cartesian
  4.5535348287271074 -0.0000000000000000 -0.0000000000000000   T   T   T
 -2.2767674143635559  3.9434768386948993 -0.0000000000000000   T   T   T
  2.2767674143635506  3.9434768386948993 -0.0000000000000000   T   T   T
  4.5535348287271074 -0.0000000000000000  2.7067109603134782   T   T   T
 -2.2767674143635559  3.9434768386948993  2.7067109603134782   T   T   T
  2.2767674143635506  3.9434768386948993  2.7067109603134782   T   T   T
 -2.2950743492427517  6.5830309116053787 -0.0000000000000000   T   T   T
 -0.0000000000000015  2.6078455315688593 -0.0000000000000000   T   T   T
  2.2950743492427401  6.5830309116053787 -0.0000000000000000   T   T   T
  6.8486091779698501  1.3039227657844297 -0.0000000000000000   T   T   T
  4.5535348287271002  5.2791081458209437 -0.0000000000000000   T   T   T
  2.2584604794843650  1.3039227657844301  0.0000000000000000   T   T   T
  3.0535525411145499 -0.0000000000000000  0.3465640039652945   T   T   T
 -1.5267762705572754  2.6444540723957290  0.3465640039652945   T   T   T
  3.0267585581698273  5.2424996049940740  0.3465640039652945   T   T   T
 -3.0267585581698322  5.2424996049940740  5.0668579166616627   T   T   T
  6.0535171163396599 -0.0000000000000000  5.0668579166616627   T   T   T
  1.5267762705572738  2.6444540723957290  5.0668579166616627   T   T   T