Si 
 1.0000000000000000
     2.5571871301594480   -0.0000000000000001   -0.0000000000000000
    -1.2785935650797240    2.2145890169487057    0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.3661718342146232
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T