Berkelium Bk I

Odd levels	Even levels
5f97s2 6H15/2 0 5f96d7s 8H17/2 17 182 5f87s27p (7F6,1/2)11/2 17 778 5f86d7s7p J =13/2 24 652 5f97s8s 8H17/2 32 489 5f97p2 8H15/2 39 000 ± 3 000 5f96d2 8K19/2 45 000 ± 8 000 5f86d27p 10I17/2 46 000 ± 5 000	5f86d7s2 8G13/2 9 141 5f97s7p 8H15/2 16 914 5f86d27s 10G13/2 21 506 5f96d7p 8K17/2 36 953 5f86d3 10H17/2 35 000 ± 7 000

Ionization limit: 50 240 ± 200 cm^-1 (1) S.E.

Reference :

(1) : J. Sugar, J. chem. Phys., U.S.A., 1974, 60, 4103.