Si 
 1.0000000000000000
     2.8324366268488097    0.0000000000000000    0.0000000000000000
    -1.4162183134244049    2.4529620734605739    0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.5991016172595143
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T