O Si 
 1.0000000000000000
     4.9475947656222816    0.0000000000000000    0.0000000000000000
     0.0000000000000000    9.0230313893071568    0.0000000000000000
     0.0000000000000000    0.0000000000000000    8.0315884416988794
 O   Si 
  16   8
Selective dynamics
Cartesian
  3.3824992498927178  0.0000000000000000  0.0000000000000000   T   T   T
  1.5650955157295618  0.0000000000000000  4.0157942208494113   T   T   T
  0.9087018670815841  4.5115156946535908  0.0000000000000000   T   T   T
  4.0388928985407606  4.5115156946535908  4.0157942208494113   T   T   T
  0.0000000000000004  5.9404175175863188  2.0078971104247056   T   T   T
  0.0000000000000004  3.0826138717209619  6.0236913312740850   T   T   T
  2.4737973828111390  1.4289018229326893  2.0078971104247056   T   T   T
  2.4737973828111390  7.5941295663745372  6.0236913312740850   T   T   T
  3.0849995448444294  2.1073155634495371  4.4036143890211008   T   T   T
  1.8625952207778942  6.9157158258576565  0.3878201681717021   T   T   T
  1.8625952207778942  2.1073155634495371  7.6437682735270860   T   T   T
  3.0849995448444294  6.9157158258576565  3.6279740526776836   T   T   T
  0.6112021620332848  6.6188312581031248  4.4036143890211008   T   T   T
  4.3363926035889966  2.4042001312040893  0.3878201681717021   T   T   T
  4.3363926035889966  6.6188312581031248  7.6437682735270860   T   T   T
  0.6112021620332848  2.4042001312040893  3.6279740526776836   T   T   T
  1.9086341155408959  1.4781776401242972  3.5056796108694273   T   T   T
  3.0389606500814152  7.5448537491828542  7.5214738317188470   T   T   T
  3.0389606500814157  1.4781776401242972  0.5101146099799710   T   T   T
  1.9086341155408957  7.5448537491828542  4.5259088308293292   T   T   T
  4.3824314983520232  5.9896933347779315  3.5056796108694273   T   T   T
  0.5651632672702561  3.0333380545293012  7.5214738317188470   T   T   T
  0.5651632672702557  5.9896933347779315  0.5101146099799710   T   T   T
  4.3824314983520232  3.0333380545293012  4.5259088308293292   T   T   T