O Si 
 1.0000000000000000
     4.9218455921038888    0.0000000000000000    0.0000000000000000
     0.0000000000000000    8.9785089119915042    0.0000000000000000
     0.0000000000000000    0.0000000000000000    8.1229491593808980
 O   Si 
  16   8
Selective dynamics
Cartesian
  3.4892456348944085 -0.0000000000000000  0.0000000000000000   T   T   T
  1.4325999572094243  0.0000000000000000  4.0614745796904721   T   T   T
  1.0283228388424988  4.4892544559957308  0.0000000000000000   T   T   T
  3.8935227532613710  4.4892544559957308  4.0614745796904721   T   T   T
  0.0000000000000004  5.8586785822922440  2.0307372898452360   T   T   T
  0.0000000000000004  3.1198303296991905  6.0922118695357153   T   T   T
  2.4609227960519515  1.3694241262965037  2.0307372898452360   T   T   T
  2.4609227960519515  7.6090847856948960  6.0922118695357153   T   T   T
  3.1269924039523906  1.9953312078075425  4.4678556983894122   T   T   T
  1.7948531881514895  6.9831777041838867  0.4063811186989098   T   T   T
  1.7948531881514895  1.9953312078075425  7.7165680406820076   T   T   T
  3.1269924039523906  6.9831777041838867  3.6550934609915622   T   T   T
  0.6660696079004552  6.4845856638032426  4.4678556983894122   T   T   T
  4.2557759842033551  2.4939232481881852  0.4063811186989098   T   T   T
  4.2557759842033551  6.4845856638032426  7.7165680406820076   T   T   T
  0.6660696079004552  2.4939232481881852  3.6550934609915622   T   T   T
  1.9043273890540371  1.4602243579623453  3.5446554617125874   T   T   T
  3.0175182030498053  7.5182845540290248  7.6061300414030173   T   T   T
  3.0175182030498036  1.4602243579623453  0.5168191179779368   T   T   T
  1.9043273890540331  7.5182845540290248  4.5782936976684061   T   T   T
  4.3652501851059400  5.9494788139580903  3.5446554617125874   T   T   T
  0.5565954069978714  3.0290300980333722  7.6061300414030173   T   T   T
  0.5565954069978722  5.9494788139580903  0.5168191179779368   T   T   T
  4.3652501851059418  3.0290300980333722  4.5782936976684061   T   T   T