O Si 
 1.0000000000000000
     4.8914674665574669    0.0000000000000000    0.0000000000000000
    -2.4457337332787334    4.2361350878238744    0.0000000000000000
     0.0000000000000000    0.0000000000000000    5.3982075979547028
 O   Si 
   6   3
Selective dynamics
Cartesian
  1.0346040252082278  3.0906900162130837  4.2600741785310436   T   T   T
 -0.7481843485888519  3.5867834484052983  2.4606716458794766   T   T   T
 -0.2864196766193814  1.7947967110293732  0.6612691132279090   T   T   T
  2.1593140566593494  2.4413383767945076  1.1381334194236579   T   T   T
  3.4803377584869595  1.1454450716107942  2.9375359520752249   T   T   T
  1.6975493846898813  0.6493516394185798  4.7369384847267915   T   T   T
  2.5974858886619949  0.0000000000000013  3.5988050653031358   T   T   T
 -1.2987429443309999  2.2494887655528908  1.7994025326515675   T   T   T
  1.1469907889477324  1.9866463222709887  0.0000000000000000   T   T   T