Si 
 1.0000000000000000
     4.0750589192108055   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    4.0750589192108055    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    4.0750589192108055
 Si 
   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000000  2.0375294596054032  2.0375294596054032   T   T   T
  2.0375294596054032  0.0000000000000000  2.0375294596054032   T   T   T
  2.0375294596054032  2.0375294596054032  0.0000000000000000   T   T   T