Si 
 1.0000000000000000
     7.3499999960428903   -0.0000000000000000    0.0000000000000000
    -3.6749999980214452    6.3652867143886684    0.0000000000000000
    -0.0000000000000000   -0.0000000000000000   12.3385086853960981
 Si 
   2
Selective dynamics
Cartesian
 -0.0000000367500061  4.2435244974767317  3.0846271713490245   T   T   T
  3.6749999612714452  2.1217622593471792  9.2538815140470678   T   T   T