O Si 
 1.0000000000000000
     6.9275745762317769    0.0000000000000000   -0.1510296908270143
     0.0000000000000000    8.1370588366909349   -0.0000000000000000
     0.7837475311705535    0.0000000000000000    5.4522217763996714
 O   Si 
  16   8
Selective dynamics
Cartesian
  2.2024705279639476  7.5773073259117592  5.2147142257035082   T   T   T
  1.8105967623786703  0.5597515107791858  2.4886033375036773   T   T   T
  5.6662578160798329  3.5087779075662833  5.1391993802900027   T   T   T
  5.2743840504945529  4.6282809291246521  2.4130884920901687   T   T   T
  6.8805806082336751  8.0953057730735356  3.9739609630621602   T   T   T
  6.4887068426484014  0.0417530636174043  1.2478500748623214   T   T   T
  3.4167933201177876  4.0267763547280593  4.0494758084756644   T   T   T
  3.0249195545325112  4.1102824819628747  1.3233649202758295   T   T   T
  3.6443563123594180  0.2426317383019813  0.7235202166169553   T   T   T
  4.0362300779446976  7.8944270983889595  3.4496311048167914   T   T   T
  0.1805690242435338  4.3111611566474481  0.7990350620304627   T   T   T
  0.5724427898288114  3.8258976800434907  3.5251459502302964   T   T   T
  4.0690188603142428  2.1070080676498102  2.4828100412397949   T   T   T
  4.4608926258995174  6.0300507690411251  5.2089209294396355   T   T   T
  0.6052315721983540  6.1755374859952816  2.5583248866533075   T   T   T
  0.9971053377836314  1.9615213506956573  5.2844357748531436   T   T   T
  3.8464371780626223  3.6675384892645759  2.5823386133390853   T   T   T
  4.2383109436478872  4.4695203474263634  5.3084495015389139   T   T   T
  0.3826498899467328  7.7360679076100478  2.6578534587525890   T   T   T
  0.7745236555320087  0.4009909290808928  5.3839643469524248   T   T   T
  3.4130967575100044  0.6583179252051661  2.2708881247469104   T   T   T
  3.8049705230952773  7.4787409114857688  4.9969990129467465   T   T   T
  6.8768840456258831  4.7268473435506326  2.1953732793334035   T   T   T
  7.2687578112111586  3.4102114931403031  4.9214841675332419   T   T   T