Si 
 1.0000000000000000
     2.8326921895672323   -0.0000000000000000    0.0000000000000000
    -1.4163460947836162    2.4531833972669883    0.0000000000000000
     0.0000000000000000   -0.0000000000000000    2.6361153285590562
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T