Si 
 1.0000000000000000
     4.9035592161819999   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    4.9035592161819990    0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.5678285290190916
 Si 
   4
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000 -0.0000000000000000   T   T   T
  2.4517796080909995  2.4517796080909995  1.2839142645095458   T   T   T
  0.0000000000000000  2.4517796080909995  0.6419571322547729   T   T   T
  2.4517796080909995  0.0000000000000000  1.9258713967643191   T   T   T