Si 
 1.0000000000000000
     2.6513000000000009    0.0000000000000000    0.0000000000000000
    -1.3256500000000004    2.2960931530536821    0.0000000000000000
     0.0000000000000000   -0.0000000000000000    2.2011584337818140
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T