Si 
 1.0000000000000000
     2.7829022427678543   -0.0000000000000000   -0.0000000000000000
    -1.3914511213839271    2.4100640384856504    0.0000000000000000
     0.0000000000000000   -0.0000000000000000    2.4632636196164421
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T