Ar 
 1.0000000000000000
     3.7144768216954991    0.0000000000000001   -0.0000000000000000
    -1.8572384108477495    3.2168312893567821   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    6.0632068048497212
 Ar 
   2
Selective dynamics
Cartesian
 -0.0000000185723847  2.1445542036272927  1.5158017012124307   T   T   T
  1.8572383922753652  1.0722771071750317  4.5474051036372902   T   T   T