O Si 
 1.0000000000000000
     6.6281195002955657    0.0000000000000000   -0.1487127756812252
     0.0000000000000000    8.4303145854429804   -0.0000000000000000
     2.7005096924684060   -0.0000000000000000    5.8940477387071502
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000  0.4123563715677729 -0.0000000000000000   T   T   T
  3.3140597501477833  4.6275136642892658 -0.0743563878406126   T   T   T
  1.3502548462342014  6.5384070045888114  2.9470238693535791   T   T   T
  4.6643145963819874  2.3232497118673225  2.8726674815129649   T   T   T
  2.8544771978168000  0.6528648971797448  3.2852507951817831   T   T   T
  6.4741519949471762  0.6528648971797448  2.4600841678441481   T   T   T
  6.1685369479645784  4.8680221899012377  3.2108944073411712   T   T   T
  3.1600922447993902  4.8680221899012377  2.5344405556847609   T   T   T
  4.2848445512895363  0.5321410032867987  1.1204312928594893   T   T   T
  5.0437846414744305  0.5321410032867987  4.6249036701664368   T   T   T
  0.9707848011417630  4.7472982960082870  1.1947876807001012   T   T   T
  8.3578443916221943  4.7472982960082870  4.5505472823258257   T   T   T
  6.8144766797708600  2.5934072802815691  4.3545374925898068   T   T   T
  2.5141525129931157  2.5934072802815691  1.3907974704361221   T   T   T
  3.5004169296230740  6.8085645730030553  4.4288938804304196   T   T   T
  5.8282122631408946  6.8085645730030553  1.3164410825955088   T   T   T
  5.8048646367219519  8.4076144496556751  1.1494977831622915   T   T   T
  3.5237645560420217  8.4076144496556751  4.5958371798636390   T   T   T
  2.4908048865741645  4.1924571569341920  1.2238541710029027   T   T   T
  6.8378243061898090  4.1924571569341920  4.5214807920230298   T   T   T
  5.8568622543418645  1.5374861914244513  3.6505465382766240   T   T   T
  3.4717669384221077  1.5374861914244513  2.0947884247493063   T   T   T
  2.5428025041940843  5.7526434841459402  3.7249029261172351   T   T   T
  6.7858266885698910  5.7526434841459402  2.0204320369086952   T   T   T