Si 
 1.0000000000000000
     5.4570532017545590   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    5.4570532017545590    0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.6277480477938955
 Si 
   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000 -0.0000000000000000   T   T   T
  2.7285266008772799  2.7285266008772795  1.3138740238969480   T   T   T
  0.0000000000000000  2.7285266008772795  0.6569370119484740   T   T   T
  2.7285266008772799  0.0000000000000000  1.9708110358454216   T   T   T