O Si 
 1.0000000000000000
     5.1987713015143289    0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    5.1987713015143591   -0.0000000000000000
     0.0000000000000000   -0.0000000000000001    8.5188490548662195
 O   Si 
  16   8
Selective dynamics
Cartesian
 -0.0000000000000000 -0.0000000000000001  7.8701048541365610   T   T   T
  2.5993856507571662  2.5993856507571809  3.6106803267034553   T   T   T
 -0.0000000000000000  2.5993856507571809  1.4809680629868958   T   T   T
  2.5993856507571662 -0.0000000000000001  5.7403925904200088   T   T   T
  2.5993856507571662 -0.0000000000000001  7.0378809918793186   T   T   T
 -0.0000000000000000  2.5993856507571809  2.7784564644462124   T   T   T
  2.5993856507571662  2.5993856507571809  4.9081687281627655   T   T   T
 -0.0000000000000000 -0.0000000000000000  0.6487442007296574   T   T   T
  2.1409903292170505  3.0577809722972962  0.0000000000000006   T   T   T
  0.4583953215401142  4.7403759799742406  4.2594245274331097   T   T   T
  2.1409903292170505  4.7403759799742406  2.1297122637165562   T   T   T
  0.4583953215401142  3.0577809722972962  6.3891367911496628   T   T   T
  4.7403759799742131  0.4583953215401157  4.2594245274331097   T   T   T
  3.0577809722972829  2.1409903292170607  0.0000000000000007   T   T   T
  4.7403759799742131  2.1409903292170607  6.3891367911496628   T   T   T
  3.0577809722972829  0.4583953215401157  2.1297122637165562   T   T   T
  4.1472389600225155  1.2996928253785904  1.0648561318582781   T   T   T
  3.6509179922489796  1.2996928253785909  5.3242806592913841   T   T   T
  3.8990784761357529  1.5478533092653581  3.1945683955748314   T   T   T
  3.8990784761357529  1.0515323414918187  7.4539929230079416   T   T   T
  1.5478533092653515  3.8990784761357720  5.3242806592913841   T   T   T
  1.0515323414918143  3.8990784761357720  1.0648561318582785   T   T   T
  1.2996928253785835  4.1472389600225403  7.4539929230079416   T   T   T
  1.2996928253785831  3.6509179922489987  3.1945683955748314   T   T   T