Si 
 1.0000000000000000
     6.6143699009814245   -0.0000000000000000   -0.0000000000000000
     0.0000000000000000    6.6143699009814254   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    3.9454847839041594
 Si 
   8
Selective dynamics
Cartesian
  5.4175268098707194  5.4175268098707239 -0.0000000000000000   T   T   T
  1.1968430911107024  1.1968430911107029 -0.0000000000000000   T   T   T
  1.1968430911107024  5.4175268098707230 -0.0000000000000000   T   T   T
  5.4175268098707194  1.1968430911107029 -0.0000000000000000   T   T   T
  2.1103418593800090  2.1103418593800094  1.9727423919520799   T   T   T
  4.5040280416014147  4.5040280416014173  1.9727423919520799   T   T   T
  4.5040280416014147  2.1103418593800085  1.9727423919520799   T   T   T
  2.1103418593800090  4.5040280416014173  1.9727423919520799   T   T   T