Si 
 1.0000000000000000
     4.8657576881260907   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.8657576881260907    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    2.5477279241422743
 Si 
   4
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000  0.0000000000000000   T   T   T
  2.4328788440630453  2.4328788440630453  1.2738639620711372   T   T   T
 -0.0000000000000000  2.4328788440630453  0.6369319810355686   T   T   T
  2.4328788440630453  0.0000000000000000  1.9107959431067059   T   T   T