O Si 
 1.0000000000000000
     8.2875157564192588   -0.0000000000000002    0.0000000000000000
    -4.1437578782096294    7.1771991793228889   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.1435478612400596
 O   Si 
  12   6
Selective dynamics
Cartesian
  4.1437578782096329 -0.0000000000000001  0.0000000000000000   T   T   T
 -2.0718789391049803  3.5885995896614529 -0.0000000000000000   T   T   T
  2.0718789391046339  3.5885995896614555 -0.0000000000000000   T   T   T
  4.1437578782096329 -0.0000000000000001  2.0717739306200347   T   T   T
 -2.0718789391049803  3.5885995896614529  2.0717739306200347   T   T   T
  2.0718789391046339  3.5885995896614555  2.0717739306200347   T   T   T
 -1.9783394865208379  5.9269942879730886  0.0000000000000000   T   T   T
 -0.0000000000000494  2.5004097826994838 -0.0000000000000000   T   T   T
  1.9783394865206241  5.9269942879730868 -0.0000000000000000   T   T   T
  6.1220973647303651  1.2502048913497392 -0.0000000000000000   T   T   T
  4.1437578782092643  4.6767893966233904 -0.0000000000000000   T   T   T
  2.1654183916889016  1.2502048913497417  0.0000000000000000   T   T   T
  2.8177521310977025 -0.0000000000000001  0.8118815491311946   T   T   T
 -1.4088760655488941  2.4402449270983433  0.8118815491311973   T   T   T
  2.7348818126607024  4.7369542522244421  0.8118815491311957   T   T   T
 -2.7348818126608547  4.7369542522244403  3.3316663121088750   T   T   T
  5.4697636253215318 -0.0000000000000002  3.3316663121088785   T   T   T
  1.4088760655488137  2.4402449270983442  3.3316663121088776   T   T   T