O Si 
 1.0000000000000000
    10.1437423344688735    0.0000000000000000    0.0000000000000000
     0.0000000000000000    7.9885734342763612   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    5.0184785577594795
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000  0.3720872929337491   T   T   T
  5.0718711672344385 -0.0000000000000000  0.3720872929337492   T   T   T
  5.0718711672344385  3.9942867171381806  2.8813265718134891   T   T   T
  0.0000000000000000  3.9942867171381806  2.8813265718134891   T   T   T
  2.5359355836172193  0.5969148299668319  0.1930264826024475   T   T   T
  7.6078067508516547  7.3916586043095345  0.1930264826024475   T   T   T
  7.6078067508516547  4.5912015471050127  2.7022657614821890   T   T   T
  2.5359355836172193  3.3973718871713499  2.7022657614821890   T   T   T
  4.2117938207557142  2.3878022979867946  0.9871159235498913   T   T   T
  5.9319485137131585  5.6007711362895662  0.9871159235498913   T   T   T
  9.2836649879901483  5.6007711362895662  0.9871159235498913   T   T   T
  0.8600773464787204  2.3878022979867954  0.9871159235498913   T   T   T
  9.2836649879901483  6.3820890151249809  3.4963552024296329   T   T   T
  0.8600773464787204  1.6064844191513830  3.4963552024296329   T   T   T
  4.2117938207557142  1.6064844191513830  3.4963552024296329   T   T   T
  5.9319485137131585  6.3820890151249809  3.4963552024296329   T   T   T
  4.0216519945836184  1.1448106276416272 -0.0014531095896349   T   T   T
  6.1220903398852524  6.8437628066347367 -0.0014531095896349   T   T   T
  9.0935231618180499  6.8437628066347367 -0.0014531095896350   T   T   T
  1.0502191726508121  1.1448106276416272 -0.0014531095896350   T   T   T
  9.0935231618180499  5.1390973447798132  2.5077861692901022   T   T   T
  1.0502191726508121  2.8494760894965538  2.5077861692901022   T   T   T
  4.0216519945836184  2.8494760894965538  2.5077861692901022   T   T   T
  6.1220903398852524  5.1390973447798132  2.5077861692901022   T   T   T