Rb 
 1.0000000000000000
     6.9753073298609616    0.0000000000000000   -0.0000000000000000
    -3.4876536649304808    6.0407933468633885   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.1619406416893199
 Rb 
   3
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000007  4.0271955645755941  2.0809703208446599   T   T   T
  3.4876536649304826  2.0135977822877975  2.0809703208446599   T   T   T