O Si 
 1.0000000000000000
     4.9566019710823372    0.0000000000000000    0.0000000000000000
     0.0000000000000000    5.1600277509636454   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    3.8819160075462955
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000 -0.3948469689205846   T   T   T
  2.4783009855411677  0.0000000000000000 -0.3948469689205842   T   T   T
  2.4783009855411677  2.5800138754818214  1.5461110348525693   T   T   T
  0.0000000000000000  2.5800138754818214  1.5461110348525688   T   T   T
  1.2391504927705839  0.2981065452713799 -0.4061701593874749   T   T   T
  3.7174514783117498  4.8619212056922594 -0.4061701593874748   T   T   T
  3.7174514783117498  2.8781204207531985  1.5347878443856713   T   T   T
  1.2391504927705839  2.2819073302104362  1.5347878443856722   T   T   T
  1.8593872545521335  2.6623566466068325  0.3990611942471374   T   T   T
  3.0972147165301962  2.4976711043568027  0.3990611942471371   T   T   T
  4.3376882400933097  2.4976711043568032  0.3990611942471370   T   T   T
  0.6189137309890338  2.6623566466068329  0.3990611942471372   T   T   T
  4.3376882400933079  5.2423705220886667  2.3400191980202898   T   T   T
  0.6189137309890338 -0.0823427711250166  2.3400191980202898   T   T   T
  1.8593872545521335 -0.0823427711250164  2.3400191980202898   T   T   T
  3.0972147165301962  5.2423705220886667  2.3400191980202898   T   T   T
  2.3121165291681987  1.0010298682011249  0.9824463528305951   T   T   T
  2.6444854419141275  4.1589978827625043  0.9824463528305947   T   T   T
  4.7904175147093770  4.1589978827625043  0.9824463528305951   T   T   T
  0.1661844563729655  1.0010298682011249  0.9824463528305953   T   T   T
  4.7904175147093770  3.5810437436829425  2.9234043566037378   T   T   T
  0.1661844563729652  1.5789840072806991  2.9234043566037369   T   T   T
  2.3121165291681987  1.5789840072806978  2.9234043566037378   T   T   T
  2.6444854419141275  3.5810437436829425  2.9234043566037382   T   T   T