Si 
 1.0000000000000000
     4.9030305380748125   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.9030305380748125   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    2.5681636034244502
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.4515152690374062  2.4515152690374062  1.2840818017122251   T   T   T
  0.0000000000000000  2.4515152690374062  0.6420409008561125   T   T   T
  2.4515152690374062 -0.0000000000000000  1.9261227025683378   T   T   T