Si 
 1.0000000000000000
     2.9898876973416808    0.0000000000000000    0.0000000000000000
    -1.4949438486708404    2.5893187003604554   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.7311686446285410
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T