Ar 
 1.0000000000000000
     3.7018258186864719    0.0000000000000001   -0.0000000000000000
    -1.8509129093432359    3.2058751993676111   -0.0000000000000000
    -0.0000000000000000    0.0000000000000000    6.0394148063859339
 Ar 
   2
Selective dynamics
Cartesian
 -0.0000000185091296  2.1372501435979903  1.5098537015964837   T   T   T
  1.8509128908341059  1.0686250771421208  4.5295611047894502   T   T   T