Si 
 1.0000000000000000
     2.7613322778234886   -0.0000000000000000    0.0000000000000000
    -1.3806661389117443    2.3913839008850912   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.6409687223122655
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T