Si 
 1.0000000000000000
     3.9101014419163165   -0.0000000000000001   -0.0000000000000000
    -1.9550507209581582    3.3862471800736937   -0.0000000000000000
    -0.0000000000000000    0.0000000000000000    2.5481432063715963
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T