Si 
 1.0000000000000000
     4.0769067095728566    0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.0769067095728566   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    4.0769067095728566
 Si 
   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  2.0384533547864288  2.0384533547864288   T   T   T
  2.0384533547864288 -0.0000000000000000  2.0384533547864288   T   T   T
  2.0384533547864288  2.0384533547864288 -0.0000000000000000   T   T   T