O Si 
 1.0000000000000000
     4.6597999999999997    0.0000000000000000    0.0000000000000000
    -1.8538704171178997    4.4538786429959005    0.0000000000000000
    -1.2945913973076004   -0.6948365549408606    6.2700516174857004
 O   Si 
   8   4
Cartesian
  1.7607321577835005  2.9936570899636616  1.9676369380469529
 -0.5330263067187043  2.2524313352492729  2.6881256851884912
 -1.7019394201948645  3.9333750292414149  4.2645694002817960
  0.4713229187020173  0.4379299101562487  1.3109185659877640
  2.2402128157378347 -0.6271418660085417  5.7870326734872659
  0.4722174437041025  1.3657812791046688  6.1771628718896823
 -0.6320422185257648  2.7999349004045087  0.3446258630931606
  1.9942208600092435  1.3873826618631988  4.0171127843233938
  2.5824834016971394  3.5724983543354902  0.5274588126445906
  2.6979535931515031  2.6602136796678701  3.3127854087285069
  0.4699339419803987  2.0616268129505566  1.3132838802599445
  1.2197968823186343  0.4121435633558990  5.0698486824517568