F Rb 
 1.0000000000000000
     5.8181383471946093    0.0000000000000000   -0.0000000000000000
     0.0000000000000000    5.8181383471946093    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    5.8181383471946093
 F   Rb 
   4   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  2.9090691735973047  2.9090691735973047   T   T   T
  2.9090691735973047  0.0000000000000000  2.9090691735973047   T   T   T
  2.9090691735973047  2.9090691735973047  0.0000000000000000   T   T   T
  2.9090691735973047  2.9090691735973047  2.9090691735973047   T   T   T
  2.9090691735973047  0.0000000000000000 -0.0000000000000000   T   T   T
  0.0000000000000000  2.9090691735973047  0.0000000000000000   T   T   T
 -0.0000000000000000  0.0000000000000000  2.9090691735973047   T   T   T