Si 
 1.0000000000000000
     2.8041636670819501   -0.0000000000000000   -0.0000000000000000
    -1.4020818335409750    2.4284769720622976    0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.6658016169756173
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T