O Si 
 1.0000000000000000
     4.7964247164791987    0.0000000000000000    0.0000000000000000
     0.0000000000000000    8.5348620333272311    0.0000000000000000
     0.0000000000000000    0.0000000000000000    8.2509556397432249
 O   Si 
  16   8
Selective dynamics
Cartesian
  2.4160969903319858  0.0000000000000000 -0.0000000000000000   T   T   T
  2.3803277261472138 -0.0000000000000000  4.1254778198716089   T   T   T
  0.0178846320923872  4.2674310166636165 -0.0000000000000000   T   T   T
  4.7785400843868082  4.2674310166636165  4.1254778198716089   T   T   T
  0.0000000000000004  5.9178714340435548  2.0627389099358044   T   T   T
  0.0000000000000004  2.6169905992836844  6.1882167298074133   T   T   T
  2.3982123582395998  1.6504404173799312  2.0627389099358044   T   T   T
  2.3982123582395998  6.8844216159473000  6.1882167298074133   T   T   T
  2.8143931366523010  2.5428994588210925  4.4591615584893463   T   T   T
  1.9820315798268973  5.9919625745061413  0.3336837386177356   T   T   T
  1.9820315798268973  2.5428994588210934  7.9172719011254848   T   T   T
  2.8143931366523010  5.9919625745061413  3.7917940812538751   T   T   T
  0.4161807784127040  6.8103304754847134  4.4591615584893463   T   T   T
  4.3802439380664984  1.7245315578425213  0.3336837386177356   T   T   T
  4.3802439380664984  6.8103304754847134  7.9172719011254848   T   T   T
  0.4161807784127040  1.7245315578425213  3.7917940812538751   T   T   T
  1.9830440910611451  1.4625124064763320  3.6005559715032516   T   T   T
  2.8133806254180529  7.0723496268508974  7.7260337913748698   T   T   T
  2.8133806254180529  1.4625124064763320  0.5249218483683551   T   T   T
  1.9830440910611451  7.0723496268508974  4.6503996682399587   T   T   T
  4.3812564493007429  5.7299434231399484  3.6005559715032516   T   T   T
  0.4151682671784556  2.8049186101872889  7.7260337913748698   T   T   T
  0.4151682671784555  5.7299434231399484  0.5249218483683551   T   T   T
  4.3812564493007429  2.8049186101872889  4.6503996682399587   T   T   T