O Si 
 1.0000000000000000
     7.0325256656763795    0.0000000000000000   -0.0000000000000000
     0.0000000000000000    7.0325256656763777    0.0000000000000000
     0.0000000000000000    0.0000000000000000    7.1032459345691761
 O   Si 
  16   8
Selective dynamics
Cartesian
  5.9065052029077885  4.6422832956065596  1.7758114836422292   T   T   T
  1.1260204627685093  2.3902423700696209  1.7758114836422292   T   T   T
  4.6422832956066111  1.1260204627684849  5.3274344509266980   T   T   T
  2.3902423700696338  5.9065052029077654  5.3274344509266980   T   T   T
 -0.0000000000000000  3.5162628328381342  6.8714133315599488   T   T   T
  3.5162628328381249  0.0000000000000000  0.2318326030090522   T   T   T
  3.5162628328381249  0.0000000000000000  3.3197903642754487   T   T   T
 -0.0000000000000000  3.5162628328381342  3.7834555702935524   T   T   T
  4.7888083925296980  2.4514549512460846  0.5103633401630747   T   T   T
  2.2437172731465118  4.5810707144301324  0.5103633401630716   T   T   T
  2.4514549512460930  2.2437172731464958  6.5928825944059595   T   T   T
  4.5810707144301466  4.7888083925297611  6.5928825944059666   T   T   T
  1.2725455596915989  1.0648078815920650  4.0619863074475697   T   T   T
  5.7599801059846989  5.9677177840842397  4.0619863074475697   T   T   T
  5.9677177840842619  1.2725455596915900  3.0412596271214185   T   T   T
  1.0648078815920530  5.7599801059846385  3.0412596271214185   T   T   T
  5.5757092699032809  3.8682473093742993  0.3748445976794127   T   T   T
  1.4568163957729330  3.1642783563019430  0.3748445976794123   T   T   T
  3.8682473093743051  1.4568163957729392  6.7284013368895641   T   T   T
  3.1642783563019612  5.5757092699032702  6.7284013368895641   T   T   T
  2.0594464370651724  6.6805411891400714  3.9264675649638989   T   T   T
  4.9730792286110841  0.3519844765361734  3.9264675649638980   T   T   T
  0.3519844765361731  2.0594464370651577  3.1767783696051195   T   T   T
  6.6805411891401221  4.9730792286111143  3.1767783696051213   T   T   T