O  Si
 1.0000000000000000
     3.6600835019984199   -6.3394505854058902    0.0000000000000000
     3.6600835019984199    6.3394505854058902    0.0000000000000000
     0.0000000000000000    0.0000000000000000    7.0577984783190102
 O   Si 
  12   6
Cartesian
  2.4901883729698295 -4.3131327824010235  0.0000000000000000
  3.6600835019984199 -1.4320899261123226  4.1170491123527331
  4.2498989964806144 -2.4536803296468470  6.4696486051257827
  3.0702680075162245 -2.4536803296468470  1.7644496195797525
  3.0702680075162245  2.4536803296468470  2.9407493659662780
  4.2498989964806144  2.4536803296468475  5.2933488587392574
  3.6600835019984199  1.4320899261123239  0.5881498731932273
  1.1698951290285902  2.0263178030048672  1.1762997463865252
  1.1698951290285906 -2.0263178030048672  3.5288992391595047
  2.3397902580571808  0.0000000000000001  2.3525994927729799
  2.4901883729698295  4.3131327824010235  4.7051989855460299
  4.9803767459396591 -0.0000000000000001  5.8814987319324841
  4.7570989683729703  1.4797880203188090  6.4696486051257827
  4.7570989683729703 -1.4797880203188090  5.2933488587392574
  2.5630680356238686 -1.4797880203188087  2.9407493659662780
  3.6600835019984199 -3.3798745447684002  0.5881498731932273
  2.5630680356238678  1.4797880203188087  1.7644496195797525
  3.6600835019984195  3.3798745447683998  4.1170491123527331