Si 
 1.0000000000000000
     2.6517796280256758    0.0000000000000000   -0.0000000000000000
    -1.3258898140128379    2.2965085231082836    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    2.4494237168056836
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T