Si 
 1.0000000000000000
     2.8729768761350614   -0.0000000000000000    0.0000000000000000
    -1.4364884380675307    2.4880709592182213   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    2.4664287565523453
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T