Si 
 1.0000000000000000
     6.7200704659451818    0.0000000000000000   -0.0000000000000000
     0.0000000000000000    6.7200704659451818    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.7200704659451818
 Si 
  12
Selective dynamics
Cartesian
  1.6800176164862954  0.0000000000000000  3.3600352329725909   T   T   T
  5.0400528494588865  0.0000000000000000  3.3600352329725909   T   T   T
  3.3600352329725909  1.6800176164862954  0.0000000000000000   T   T   T
  3.3600352329725909  5.0400528494588865  0.0000000000000000   T   T   T
  0.0000000000000000  3.3600352329725909  1.6800176164862957   T   T   T
  0.0000000000000000  3.3600352329725909  5.0400528494588865   T   T   T
  0.0000000000000000  1.6800176164862954  3.3600352329725909   T   T   T
  0.0000000000000000  5.0400528494588865  3.3600352329725909   T   T   T
  1.6800176164862954  3.3600352329725909  0.0000000000000000   T   T   T
  5.0400528494588865  3.3600352329725909  0.0000000000000000   T   T   T
  3.3600352329725909  0.0000000000000000  5.0400528494588865   T   T   T
  3.3600352329725909  0.0000000000000000  1.6800176164862957   T   T   T