Si 
 1.0000000000000000
     4.9035592185082502   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    4.9035592185082502   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    2.5678285297317283
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000000000000 -0.0000000000000000  0.0000000000000000   T   T   T
  2.4517796092541251  2.4517796092541251  1.2839142648658644   T   T   T
  0.0000000000000000  2.4517796092541251  0.6419571324329322   T   T   T
  2.4517796092541251 -0.0000000000000000  1.9258713972987966   T   T   T