Si 
 1.0000000000000000
     2.7994499375955528   -0.0000000000000000    0.0000000000000000
    -1.3997249687977764    2.4243947625805093    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.5408302985971059
 Si 
   2
Selective dynamics
Cartesian
 -0.0000000139972503  1.6162631831349887  1.1352075746492765   T   T   T
  1.3997249548005268  0.8081315956081525  3.4056227239478307   T   T   T