O Si 
 1.0000000000000000
     6.3784578629643587    0.0000000000000000    0.0478819293830940
     0.0000000000000000    8.7167166974158192    0.0000000000000000
     2.7436550811367435    0.0000000000000000    6.3166132555442367
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000  0.1746074917776275  0.0000000000000000   T   T   T
  3.1892289314821571  4.5329658404854882  0.0239409646915470   T   T   T
  1.3718275405683817  6.7564374933166311  3.1583066277721072   T   T   T
  4.5610564720505042  2.3980791446087411  3.1822475924636713   T   T   T
  2.8052077819574421  0.7344614227089787  3.7153283754381108   T   T   T
  6.3169051621435797  0.7344614227089796  2.6491668094892269   T   T   T
  5.9944367134396721  5.0928197714168322  3.7392693401296451   T   T   T
  3.1276762306614723  5.0928197714168286  2.6252258447976584   T   T   T
  4.0751546468557791  0.5827273030879159  1.4443341393857114   T   T   T
  5.0469582972453271  0.5827273030879150  4.9201610455416018   T   T   T
  0.8859257153736915  4.9410856517957775  1.4203931746941694   T   T   T
  8.2361872287273101  4.9410856517957740  4.9441020102331192   T   T   T
  6.7414175540131600  2.7182462456685266  4.6188820700442248   T   T   T
  2.3806953900879204  2.7182462456685266  1.7456131148830711   T   T   T
  3.5521886225310184  7.0766045943764668  4.5949411053526754   T   T   T
  5.5699243215700989  7.0766045943764828  1.7695540795746356   T   T   T
  5.5803086465595024  8.6649969680350658  1.4244728514690872   T   T   T
  3.5418042975415531  8.6649969680350907  4.9400223334582565   T   T   T
  2.3910797150773440  4.3066386193271642  1.4005318867775367   T   T   T
  6.7310332290237547  4.3066386193271535  4.9639632981497925   T   T   T
  5.8135109975293480  1.6172371853956653  3.9103652128287192   T   T   T
  3.3086019465717622  1.6172371853956635  2.4541299720986105   T   T   T
  2.6242820660471544  5.9755955341034799  3.8864242481371751   T   T   T
  6.4978308780539216  5.9755955341034781  2.4780709367901625   T   T   T