O Si 
 1.0000000000000000
     9.9479019825609978    0.0000000000000000    0.0000000000000000
     0.0000000000000000    8.2474894038226747   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    5.0096640516932887
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000  0.3968301819253132   T   T   T
  4.9739509912804989 -0.0000000000000000  0.3968301819253133   T   T   T
  4.9739509912804989  4.1237447019113356  2.9016622077719583   T   T   T
  0.0000000000000000  4.1237447019113356  2.9016622077719583   T   T   T
  2.4869754956402494  0.7493740158774626  0.1319103753967902   T   T   T
  7.4609264869207523  7.4981153879452025  0.1319103753967902   T   T   T
  7.4609264869207523  4.8731187177887945  2.6367424012434348   T   T   T
  2.4869754956402494  3.3743706860338696  2.6367424012434348   T   T   T
  4.2659280976463076  2.4232924265394766  1.0063612970682674   T   T   T
  5.6819738849146955  5.8241969772831856  1.0063612970682674   T   T   T
  9.2398790889268074  5.8241969772831856  1.0063612970682674   T   T   T
  0.7080228936341930  2.4232924265394775  1.0063612970682674   T   T   T
  9.2398790889268074  6.5470371284508113  3.5111933229149148   T   T   T
  0.7080228936341930  1.7004522753718585  3.5111933229149148   T   T   T
  4.2659280976463076  1.7004522753718585  3.5111933229149148   T   T   T
  5.6819738849146955  6.5470371284508113  3.5111933229149148   T   T   T
  4.0163142752204761  1.2054643068296012 -0.0047393878038841   T   T   T
  5.9315877073405252  7.0420250969930684 -0.0047393878038841   T   T   T
  8.9902652665009875  7.0420250969930684 -0.0047393878038841   T   T   T
  0.9576367160600201  1.2054643068296007 -0.0047393878038841   T   T   T
  8.9902652665009875  5.3292090087409285  2.5000926380427608   T   T   T
  0.9576367160600201  2.9182803950817311  2.5000926380427608   T   T   T
  4.0163142752204761  2.9182803950817311  2.5000926380427608   T   T   T
  5.9315877073405252  5.3292090087409285  2.5000926380427608   T   T   T