O Si 
 1.0000000000000000
     8.5354064986897384    0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    8.5354064986897384    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    4.8655714655191318
 O   Si 
  16   8
Selective dynamics
Cartesian
  5.8843892092623955  2.1416606082897642  1.7514638372687164   T   T   T
  2.6510172894273532  6.3937458903999733  1.7514638372687164   T   T   T
  2.1416606082897642  2.6510172894273527  3.1141076282504168   T   T   T
  6.3937458903999742  5.8843892092623946  3.1141076282504168   T   T   T
  1.6166859599175203  6.4093638576346388  4.1842495700282827   T   T   T
  6.9187205387722166  2.1260426410551037  4.1842495700282827   T   T   T
  6.4093638576346361  6.9187205387722157  0.6813218954908519   T   T   T
  2.1260426410551041  1.6166859599175181  0.6813218954908519   T   T   T
  4.3660453299614499  2.4928446801661814  4.4993993491080557   T   T   T
  4.1693611687282894  6.0425618185235601  4.4993993491080557   T   T   T
  2.4928446801661832  4.1693611687282885  0.3661721164110799   T   T   T
  6.0425618185235637  4.3660453299614499  0.3661721164110799   T   T   T
  0.0983420806165789  6.7605479295110511  2.0666136163484858   T   T   T
  8.4370644180731595  1.7748585691786896  2.0666136163484858   T   T   T
  6.7605479295110520  8.4370644180731666  2.7989578491706486   T   T   T
  1.7748585691786909  0.0983420806165772  2.7989578491706486   T   T   T
  5.8104599662287235  2.7796684057339811  0.2824228391714671   T   T   T
  2.7249465324610194  5.7557380929557658  0.2824228391714671   T   T   T
  2.7796684057339838  2.7249465324610171  4.5831486263476693   T   T   T
  5.7557380929557684  5.8104599662287217  4.5831486263476693   T   T   T
  1.5427567168838550  7.0473716550788463  2.7152085719310346   T   T   T
  6.9926497818058868  1.4880348436108917  2.7152085719310346   T   T   T
  7.0473716550788446  6.9926497818058868  2.1503628935881007   T   T   T
  1.4880348436108926  1.5427567168838561  2.1503628935881007   T   T   T