O Si 
 1.0000000000000000
     4.8763978396194041   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    4.8763978396194041    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.8763978396194041
 O   Si 
   8   4
Selective dynamics
Cartesian
  1.7057517476981081  1.7057517476981081  1.7057517476981079   T   T   T
  0.7324471721115942  3.1706460919212969  4.1439506675078110   T   T   T
  3.1706460919212969  4.1439506675078110  0.7324471721115942   T   T   T
  4.1439506675078110  0.7324471721115942  3.1706460919212969   T   T   T
  3.1706460919212969  3.1706460919212969  3.1706460919212969   T   T   T
  4.1439506675078110  1.7057517476981081  0.7324471721115942   T   T   T
  1.7057517476981081  0.7324471721115942  4.1439506675078110   T   T   T
  0.7324471721115942  4.1439506675078110  1.7057517476981079   T   T   T
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.4381989198097020 -0.0000000000000000  2.4381989198097020   T   T   T
 -0.0000000000000000  2.4381989198097020  2.4381989198097020   T   T   T
  2.4381989198097020  2.4381989198097020  0.0000000000000000   T   T   T