Si 
 1.0000000000000000
     2.6795738916606879   -0.0000000000000000   -0.0000000000000000
    -1.3397869458303440    2.3205790614956876   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.6795738917310130
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T