The 5f3 manifold of the free-ion U3+: Ab initio calculations

Term and level energies of the 5f3 configuration of free U3+. Left: CGWB-AIMP calculated terms referred to 4I and shifted 7212 cm−1. Center: CGWB-AIMP calculated level energies referred to the 4I9/2 ground state. Right: Level energies estimated by Carnall and Crosswhite out of experimental data of U3+ in solids.