Si 
 1.0000000000000000
     2.6971069143933040   -0.0000000000000000    0.0000000000000000
    -1.3485534571966520    2.3357631045872629   -0.0000000000000000
    -0.0000000000000000    0.0000000000000000    2.6146745542447851
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T