O Si 
 1.0000000000000000
    15.4967104720724258    0.0000000000000000    0.0000000000000051
     0.0000000000000000    4.2044754793379235   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    4.2982324800016691
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000  1.0511188698344811  4.0016527204573746   T   T   T
  7.7483552360362182  3.1533566095034460  1.8525364804565452   T   T   T
  0.0000000000000006  3.1533566095034460  2.4456959995451304   T   T   T
  7.7483552360362191  1.0511188698344811  0.2965797595442958   T   T   T
  3.8741776180181109  1.4202630893039223  0.0000000000000016   T   T   T
  3.8741776180181096  2.7842123900340066  2.1491162400008350   T   T   T
 11.6225328540543256  3.5225008289728867  2.1491162400008381   T   T   T
 11.6225328540543256  0.6819746503650417  0.0000000000000041   T   T   T
  5.7690391929909888  3.1937357005965645  0.3373886923217676   T   T   T
  1.9793160430452310  1.0107397787413634  2.4865049323226014   T   T   T
  9.7276712790814432  1.0914979609276010  1.8117275476790728   T   T   T
 13.5173944290272008  3.1129775184103265  3.9608437876799054   T   T   T
 13.5173944290272008  1.0914979609276010  2.4865049323226067   T   T   T
  9.7276712790814432  3.1129775184103265  0.3373886923217695   T   T   T
  1.9793160430452299  3.1937357005965645  3.9608437876799019   T   T   T
  5.7690391929909870  1.0107397787413634  1.8117275476790717   T   T   T
 10.6607663852129857 -0.0000000000000000  1.0745581200004211   T   T   T
 12.5842993228956619 -0.0000000000000000  3.2236743600012545   T   T   T
  4.8359440868594552  2.1022377396689622  1.0745581200004184   T   T   T
  2.9124111491767675  2.1022377396689622  3.2236743600012518   T   T   T
  6.7783468509795988 -0.0000000000000000  1.0745581200004193   T   T   T
  0.9700083850566178 -0.0000000000000000  3.2236743600012510   T   T   T
  8.7183636210928341  2.1022377396689622  1.0745581200004202   T   T   T
 14.5267020870158188  2.1022377396689622  3.2236743600012558   T   T   T