Si 
 1.0000000000000000
     6.7416891028468404   -0.0000000000000000   -0.0000000000000000
     0.0000000000000000    6.7416891028468404   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    6.7416891028468404
 Si 
  12
Selective dynamics
Cartesian
  1.6854222757117099 -0.0000000000000000  3.3708445514234198   T   T   T
  5.0562668271351283 -0.0000000000000000  3.3708445514234198   T   T   T
  3.3708445514234198  1.6854222757117099 -0.0000000000000000   T   T   T
  3.3708445514234198  5.0562668271351283 -0.0000000000000000   T   T   T
  0.0000000000000000  3.3708445514234198  1.6854222757117101   T   T   T
  0.0000000000000000  3.3708445514234198  5.0562668271351283   T   T   T
  0.0000000000000000  1.6854222757117099  3.3708445514234198   T   T   T
  0.0000000000000000  5.0562668271351283  3.3708445514234198   T   T   T
  1.6854222757117099  3.3708445514234198 -0.0000000000000000   T   T   T
  5.0562668271351283  3.3708445514234198 -0.0000000000000000   T   T   T
  3.3708445514234198 -0.0000000000000000  5.0562668271351283   T   T   T
  3.3708445514234198 -0.0000000000000000  1.6854222757117101   T   T   T