Si 
 1.0000000000000000
     6.7647555740861858   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.7647555740861858   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    6.7647555740861858
 Si 
  12
Selective dynamics
Cartesian
  1.6911888935215464 -0.0000000000000000  3.3823777870430929   T   T   T
  5.0735666805646407 -0.0000000000000000  3.3823777870430929   T   T   T
  3.3823777870430929  1.6911888935215464 -0.0000000000000000   T   T   T
  3.3823777870430929  5.0735666805646407 -0.0000000000000000   T   T   T
  0.0000000000000000  3.3823777870430929  1.6911888935215467   T   T   T
  0.0000000000000000  3.3823777870430929  5.0735666805646407   T   T   T
  0.0000000000000000  1.6911888935215464  3.3823777870430929   T   T   T
  0.0000000000000000  5.0735666805646407  3.3823777870430929   T   T   T
  1.6911888935215464  3.3823777870430929 -0.0000000000000000   T   T   T
  5.0735666805646407  3.3823777870430929 -0.0000000000000000   T   T   T
  3.3823777870430929 -0.0000000000000000  5.0735666805646407   T   T   T
  3.3823777870430929 -0.0000000000000000  1.6911888935215467   T   T   T