Si 
 1.0000000000000000
     5.4999999999992246    0.0000000000000002   -0.0000000000000000
    -2.7499999999996123    4.7631397208137418   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    9.3039672534770173
 Si 
   2
Selective dynamics
Cartesian
 -0.0000000275000023  3.1754264964196244  2.3259918133692552   T   T   T
  2.7499999724996154  1.5877132561483798  6.9779754401077660   T   T   T