O Si 
 1.0000000000000000
    11.5031769373459696    0.0000000000000000   -0.1491826207804819
     0.0000000000000000    7.3088080348116380   -0.0000000000000000
    -9.5704477436410862   -0.0000000000000000    4.5820303995481728
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000 -0.0000000000000000   T   T   T
 -4.7852238718205529 -0.0000000000000000  2.2910151997740873   T   T   T
  5.7515884686729821  3.6544040174058185 -0.0745913103902410   T   T   T
  0.9663645968524364  3.6544040174058185  2.2164238893838446   T   T   T
 -2.3926119359102760  0.2937847661623476  1.1455075998870436   T   T   T
  3.3589765327627106  3.9481887835681651  1.0709162894968027   T   T   T
 -7.1778358077308138  7.0150232686492888  3.4365227996611272   T   T   T
 -1.4262473390578341  3.3606192512434734  3.3619314892708902   T   T   T
  0.7217974039835324  2.3137905016329570  4.4789220963431173   T   T   T
 -3.5742920820991992  2.3137905016329570  2.2449408821986685   T   T   T
 -5.0297910646894497  5.9681945190387786  4.5535134067333543   T   T   T
  2.1772963865737798  5.9681945190387786  2.1703495718084249   T   T   T
  1.2109317897213454  4.9950175331786788 -0.0460743175754200   T   T   T
  5.5070212758040746  4.9950175331786788  2.1879068965690229   T   T   T
  6.9625202583943286  1.3406135157728607 -0.1206656279656609   T   T   T
 -0.2445671928689066  1.3406135157728607  2.2624982069592643   T   T   T
  1.9103639413780582  4.6043177548626284  1.3444929416119040   T   T   T
  4.8075891241473592  4.6043177548626302  0.7973396373817020   T   T   T
  7.6619524100510397  0.9499137374568087  1.2699016312216622   T   T   T
 -0.9439993445256230  0.9499137374568092  0.8719309477719421   T   T   T
  0.0223652523268153  2.7044902799490163  3.0883548371557850   T   T   T
 -2.8748599304424833  2.7044902799490163  3.6355081413859902   T   T   T
 -5.7292232163461660  6.3588942973548308  3.1629461475460281   T   T   T
  2.8767285382304948  6.3588942973548308  3.5609168309957497   T   T   T