O Si 
 1.0000000000000000
     8.4313999999999929    0.0000000000000000    0.0000000000000000
    -4.2156999999999965    7.3018065894681090    0.0000000000000000
     0.0000000000000000    0.0000000000000000    3.9980000000000011
 O   Si 
  12   6
Cartesian
  4.2156999999999965  0.0000000000000000  0.0000000000000000
  2.2815998225579990  1.3172822717368624  0.0000000000000000
  4.2156999999999965  4.6672420459943833  0.0000000000000000
  6.1498001774419944  1.3172822717368629  0.0000000000000000
  0.0000000000000000  2.6345645434737257  0.0000000000000000
 -1.9341001774419981  5.9845243177312462  0.0000000000000000
  1.9341001774419977  5.9845243177312462  0.0000000000000000
 -2.1078499999999982  3.6509032947340545  1.9990000000000006
  4.2156999999999965  0.0000000000000000  1.9990000000000006
  2.1078499999999982  3.6509032947340545  0.0000000000000000
 -2.1078499999999982  3.6509032947340545  0.0000000000000000
  2.1078499999999982  3.6509032947340545  1.9990000000000006
  2.8518480340759962  0.0000000000000000  0.8633893693600004
  5.5795519659239963  0.0000000000000000  3.1346106306400006
 -2.7897759829619981  4.8320337442255870  3.1346106306400006
  1.4259240170379981  2.4697728452425221  3.1346106306400006
 -1.4259240170379981  2.4697728452425221  0.8633893693600004
  2.7897759829619981  4.8320337442255870  0.8633893693600004