Si 
 1.0000000000000000
     2.7580669487551184    0.0000000000000000   -0.0000000000000000
    -1.3790334743775592    2.3885560429601651   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.5197494216527931
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T