Si 
 1.0000000000000000
     2.7994499375955910    0.0000000000000000   -0.0000000000000000
    -1.3997249687977955    2.4243947625805427   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    4.5408302985970952
 Si 
   2
Selective dynamics
Cartesian
 -0.0000000139972500  1.6162631831350116  1.1352075746492736   T   T   T
  1.3997249548005459  0.8081315956081638  3.4056227239478205   T   T   T