O Si 
 1.0000000000000000
     7.5052115332074871    0.0000000000000000   -0.1109729631635551
     0.0000000000000000    4.4696444939272926    0.0000000000000000
    -7.6272047042633506    0.0000000000000000    4.5962256446043757
 O   Si 
   8   4
Selective dynamics
Cartesian
  4.0320774253720284  1.4996695844615038  1.0565581113457081   T   T   T
  0.2184750732403564  2.9699749094657890  3.3546709336478977   T   T   T
 -4.5799465604644158  1.5806864011076327  3.3688974447673203   T   T   T
 -0.7663442083327383  2.8889580928196623  1.0707846224651265   T   T   T
 -0.8795007875793951  0.7414599426298066  3.4182897284765907   T   T   T
  2.9341015645522792  3.7281845512974838  1.1201769061743994   T   T   T
  1.3020800916272701  1.1860804954349184  0.5993943314183914   T   T   T
 -2.5115222605044032  3.2835639984923750  2.8975071537205830   T   T   T
 -0.1074957781684293  1.8614437464348621  4.4388897545021440   T   T   T
  3.7061065739632442  2.6082007474924302  2.1407769321999521   T   T   T
  2.8391563193527740  0.7821145180939797  0.2958328273264408   T   T   T
 -0.9744460327788992  3.6875299758333124  2.5939456496286346   T   T   T