O Si 
 1.0000000000000000
     7.2327791860631949    0.0000000000000000   -0.0656241465455414
     0.0000000000000000    7.5002934781019981   -0.0000000000000000
     1.4660551424891877   -0.0000000000000000    6.7338434421597118
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000  0.4444087496759774 -0.0000000000000000   T   T   T
  3.6163895930315939  4.1945554887269738 -0.0328120732727707   T   T   T
  0.7330275712445947  4.1783928799633125  3.3669217210798612   T   T   T
  4.3494171642761863  0.4282461409123116  3.3341096478070900   T   T   T
  3.1701631203649909  2.2839395637716038  1.8221738916663828   T   T   T
  5.5286712081873786  2.2839395637716038  4.8460454039477936   T   T   T
  6.7865527133965893  6.0340863028226037  1.7893618183936113   T   T   T
  1.9122816151557889  6.0340863028226019  4.8788574772205635   T   T   T
  3.0648604034036726  4.7598603659440810  2.5478372108691190   T   T   T
  5.6339739251486982  4.7598603659440810  4.1203820847450574   T   T   T
  6.6812499964352607  1.0097136268930784  2.5150251375963446   T   T   T
  2.0175843321171065  1.0097136268930789  4.1531941580178309   T   T   T
  6.8668379375580608  0.0584614148696086  4.7396825470921451   T   T   T
  1.8319963909943207  0.0584614148696086  1.9285367485220342   T   T   T
  3.2504483445264620  3.8086081539206060  4.7724946203649186   T   T   T
  5.4483859840259079  3.8086081539206060  1.8957246752492642   T   T   T
  7.4694878667674960  7.4989554165048986  1.4899996815144505   T   T   T
  1.2293464617848811  7.4989554165049004  5.1782196140997261   T   T   T
  3.8530982737358999  3.7488086774538982  1.5228117547872211   T   T   T
  4.8457360548164727  3.7488086774538982  5.1454075408269588   T   T   T
  5.7898210053865551  0.9683445674075698  3.8947889857432467   T   T   T
  2.9090133231658131  0.9683445674075698  2.7734303098709376   T   T   T
  2.1734314123549643  4.7184913064585627  3.9276010590160140   T   T   T
  6.5254029161973977  4.7184913064585627  2.7406182365981659   T   T   T