Si 
 1.0000000000000000
     2.6991018022052859   -0.0000000000000000    0.0000000000000000
    -1.3495509011026430    2.3374907281101382    0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.6093781347062204
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T