Si 
 1.0000000000000000
     6.5425910335705710   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    6.5425910335705710    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.5425910335705710
 Si 
  12
Selective dynamics
Cartesian
  1.6356477583926428  0.0000000000000000  3.2712955167852855   T   T   T
  4.9069432751779294  0.0000000000000000  3.2712955167852855   T   T   T
  3.2712955167852855  1.6356477583926428  0.0000000000000000   T   T   T
  3.2712955167852855  4.9069432751779294  0.0000000000000000   T   T   T
 -0.0000000000000000  3.2712955167852855  1.6356477583926430   T   T   T
 -0.0000000000000000  3.2712955167852855  4.9069432751779294   T   T   T
 -0.0000000000000000  1.6356477583926428  3.2712955167852855   T   T   T
 -0.0000000000000000  4.9069432751779294  3.2712955167852855   T   T   T
  1.6356477583926428  3.2712955167852855  0.0000000000000000   T   T   T
  4.9069432751779294  3.2712955167852855  0.0000000000000000   T   T   T
  3.2712955167852855  0.0000000000000000  4.9069432751779294   T   T   T
  3.2712955167852855  0.0000000000000000  1.6356477583926430   T   T   T