O Si 
 1.0000000000000000
     7.4310381017226277    0.0000000000000000    0.0000000000000000
     0.0000000000000000    7.4310381017226055    0.0000000000000001
    -0.0000000000000000    0.0000000000000001    2.4945142455710951
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000  3.7155190508612970  0.0000000000000000   T   T   T
  3.7155190508613196  0.0000000000000000  1.2472571227855462   T   T   T
 -0.0000000000000000  3.7155190508612970  1.2472571227855462   T   T   T
  3.7155190508613196  0.0000000000000000  0.0000000000000000   T   T   T
  2.5990258116329823  2.5990258116329645  0.0000000000000000   T   T   T
  4.8320122900896596  4.8320122900896152  0.0000000000000000   T   T   T
  4.8320122900896632  2.5990258116329645  1.2472571227855462   T   T   T
  2.5990258116329814  4.8320122900896161  1.2472571227855460   T   T   T
  0.9031747751828633  0.0000000000000000  0.6236285613927731   T   T   T
  6.5278633265397827  0.0000000000000000  0.6236285613927731   T   T   T
 -0.0000000000000000  0.9031747751828568  1.8708856841783228   T   T   T
 -0.0000000000000000  6.5278633265397348  1.8708856841783230   T   T   T
  6.5278633265397827  0.0000000000000001  1.8708856841783226   T   T   T
  0.9031747751828633  0.0000000000000001  1.8708856841783226   T   T   T
  0.0000000000000000  6.5278633265397348  0.6236285613927730   T   T   T
  0.0000000000000000  0.9031747751828569  0.6236285613927731   T   T   T
  0.8605496165527355  2.2962982265434921  0.0000000000000000   T   T   T
  6.5704884851699061  5.1347398751790969  0.0000000000000000   T   T   T
  5.1347398751791298  0.8605496165527297  1.2472571227855462   T   T   T
  2.2962982265435108  6.5704884851698626  1.2472571227855462   T   T   T
  6.5704884851699061  2.2962982265434921  1.2472571227855462   T   T   T
  0.8605496165527358  5.1347398751790969  1.2472571227855460   T   T   T
  2.2962982265435108  0.8605496165527297  0.0000000000000000   T   T   T
  5.1347398751791298  6.5704884851698626  0.0000000000000001   T   T   T