O Si 
 1.0000000000000000
     4.9005340050509520    0.0000000000000000    0.0000000000000000
     0.0000000000000000    8.5432003807337207    0.0000000000000000
     0.0000000000000000    0.0000000000000000    8.3786068886162433
 O   Si 
  16   8
Selective dynamics
Cartesian
  2.3655498675406603  0.0000000000000000 -0.0000000000000000   T   T   T
  2.5349841375102886  0.0000000000000000  4.1893034443081216   T   T   T
 -0.0847171349848145  4.2716001903668595 -0.0000000000000000   T   T   T
  4.9852511400357606  4.2716001903668595  4.1893034443081216   T   T   T
  0.0000000000000000  5.8482866740592421  2.0946517221540608   T   T   T
  0.0000000000000000  2.6949137066744768  6.2839551664621842   T   T   T
  2.4502670025254742  1.5766864836923857  2.0946517221540608   T   T   T
  2.4502670025254742  6.9665138970413336  6.2839551664621842   T   T   T
  3.0795351603142067  2.5158592802884141  4.4336977067531791   T   T   T
  1.8209988447367458  6.0273411004453061  0.2443942624450558   T   T   T
  1.8209988447367458  2.5158592802884141  8.1342126261711893   T   T   T
  3.0795351603142067  6.0273411004453061  3.9449091818630668   T   T   T
  0.6292681577887289  6.7874594706552722  4.4336977067531791   T   T   T
  4.2712658472622174  1.7557409100784471  0.2443942624450558   T   T   T
  4.2712658472622174  6.7874594706552722  8.1342126261711893   T   T   T
  0.6292681577887289  1.7557409100784471  3.9449091818630668   T   T   T
  2.1718700937229181  1.4576918013307720  3.6578404131178854   T   T   T
  2.7286639113280269  7.0855085794029478  7.8471438574260102   T   T   T
  2.7286639113280278  1.4576918013307720  0.5314630311902365   T   T   T
  2.1718700937229181  7.0855085794029478  4.7207664754983547   T   T   T
  4.6221370962483963  5.7292919916976377  3.6578404131178854   T   T   T
  0.2783969088025561  2.8139083890360901  7.8471438574260102   T   T   T
  0.2783969088025564  5.7292919916976377  0.5314630311902365   T   T   T
  4.6221370962483945  2.8139083890360901  4.7207664754983547   T   T   T