O Si 
 1.0000000000000000
     6.8120336128468395    0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.8120336128468395    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.8120336128468395
 O   Si 
  16   8
Selective dynamics
Cartesian
  1.1360457628288201  1.1360457628288201  1.1360457628288196   T   T   T
  2.2699710435946021  5.6759878500180188  4.5420625692522378   T   T   T
  5.6759878500180188  4.5420625692522378  2.2699710435946021   T   T   T
  4.5420625692522378  2.2699710435946021  5.6759878500180188   T   T   T
  4.3106926906375698  4.6201888621586615  0.0521781491262094   T   T   T
  5.9073577286326842  2.1918447506881709  3.4581949555496250   T   T   T
  2.5013409222092671  1.2141720557352464  3.3538386572972101   T   T   T
  0.9046758842141517  5.5978615571115897  6.7598554637206245   T   T   T
  0.0521781491262093  4.3106926906375698  4.6201888621586615   T   T   T
  3.4581949555496250  5.9073577286326842  2.1918447506881709   T   T   T
  3.3538386572972101  2.5013409222092671  1.2141720557352462   T   T   T
  6.7598554637206245  0.9046758842141515  5.5978615571115897   T   T   T
  4.6201888621586615  0.0521781491262094  4.3106926906375707   T   T   T
  2.1918447506881709  3.4581949555496250  5.9073577286326842   T   T   T
  1.2141720557352462  3.3538386572972101  2.5013409222092671   T   T   T
  5.5978615571115906  6.7598554637206245  0.9046758842141517   T   T   T
  2.0668476520025090  2.0668476520025094  2.0668476520025094   T   T   T
  1.3391691544209094  4.7451859608443279  5.4728644584259287   T   T   T
  4.7451859608443279  5.4728644584259287  1.3391691544209101   T   T   T
  5.4728644584259287  1.3391691544209094  4.7451859608443279   T   T   T
  0.2133983398273719  0.2133983398273717  0.2133983398273718   T   T   T
  3.1926184665960471  6.5986352730194611  3.6194151462507893   T   T   T
  6.5986352730194611  3.6194151462507893  3.1926184665960471   T   T   T
  3.6194151462507893  3.1926184665960471  6.5986352730194611   T   T   T