Si 
 1.0000000000000000
     2.6141553376068192    0.0000000000000000   -0.0000000000000000
    -1.3070776688034096    2.2639249318061911   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.6905718568726713
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T