O Si 
 1.0000000000000000
     4.8817851538284254   -0.1529311888504347    0.0346968656532949
    -1.0906755488949820    4.6617624848148136    0.1766950327476658
    -0.2109050137915310   -0.1656351663979089    6.0417253798747392
 O   Si 
   8   4
Selective dynamics
Cartesian
  3.2560871899626647  3.3435319539521187  2.3908899979865184   T   T   T
  0.7495638313912433  2.5042418732194913  2.6008526201658015   T   T   T
  0.2392430813075407  4.4443019431431248  4.1254394522024471   T   T   T
  4.5475058600479423  0.8556214341735143  1.1186544373825307   T   T   T
  2.2405307514563657  3.9877927425137796  5.6856578636734278   T   T   T
  1.9192624237282294  1.5093446989450641  0.0559975262745462   T   T   T
 -0.0246506312705907  3.4381109713291473  0.4116433576818292   T   T   T
  3.5360495563403771  1.6338412887966556  4.2313365903626234   T   T   T
  3.4813967021544765  3.9652663150906835  0.9207554467496251   T   T   T
 -0.5261942816230919  3.0796602642924924  3.4614715629841268   T   T   T
  0.7547151382334889  2.1561393319363447  0.9879042435075612   T   T   T
  2.4576091177161370  0.5542280981163197  4.8930787189051452   T   T   T