O Si 
 1.0000000000000000
     4.6272208473698972    0.0000000000000000    0.0000000000000000
     0.0000000000000000    8.7754843176174298    0.0000000000000000
     0.0000000000000000    0.0000000000000000    7.9125937971862594
 O   Si 
  16   8
Selective dynamics
Cartesian
  3.5020254778531759  0.0000000000000000  0.0000000000000000   T   T   T
  1.1251953695167225 -0.0000000000000000  3.9562968985931257   T   T   T
  1.1884150541682257  4.3877421588087175  0.0000000000000000   T   T   T
  3.4388057932016727  4.3877421588087175  3.9562968985931257   T   T   T
  0.0000000000000004  5.5801648488120765  1.9781484492965629   T   T   T
  0.0000000000000004  3.1953194688053586  5.9344453478896932   T   T   T
  2.3136104236849486  1.1924226900033599  1.9781484492965629   T   T   T
  2.3136104236849486  7.5830616276140770  5.9344453478896932   T   T   T
  2.9743867655225706  1.8190662279350354  4.4412816225196048   T   T   T
  1.6528340818473304  6.9564180896823986  0.4849847239264740   T   T   T
  1.6528340818473304  1.8190662279350354  7.4276090732597835   T   T   T
  2.9743867655225706  6.9564180896823986  3.4713121746666564   T   T   T
  0.6607763418376206  6.2068083867437505  4.4412816225196048   T   T   T
  3.9664445055322783  2.5686759308736824  0.4849847239264740   T   T   T
  3.9664445055322783  6.2068083867437505  7.4276090732597835   T   T   T
  0.6607763418376206  2.5686759308736824  3.4713121746666564   T   T   T
  1.7655050346291417  1.4017538765794590  3.4680629681933319   T   T   T
  2.8617158127407598  7.3737304410379814  7.4243598667864639   T   T   T
  2.8617158127407598  1.4017538765794590  0.4882339303997958   T   T   T
  1.7655050346291417  7.3737304410379814  4.4445308289929200   T   T   T
  4.0791154583140985  5.7894960353881704  3.4680629681933319   T   T   T
  0.5481053890558065  2.9859882822292549  7.4243598667864639   T   T   T
  0.5481053890558065  5.7894960353881704  0.4882339303997958   T   T   T
  4.0791154583140985  2.9859882822292549  4.4445308289929200   T   T   T