Journal of Atomic and Molecular Physics

Research Article

Energy Levels and the Landé -Factors for Singly Ionized Lanthanum

Table 1

Configuration sets taken for La II in MCHF+BP and HFR calculations.
LevelsConfigurations
ABCD
For MCHF+BP calculations
Even-parity d2 ( = 5, 6), 4f2, 5d6d, 6s6d, 4f p, 5d s, s2, p2 ( = 6–9), 6s s, 6p p, 6d s
( = 7–9), 7s s, 7p p ( = 8, 9), 8s9s, 8p9p		As in calculation A 5p65d2, 5p65d6s,
5p66s2, 5p64f6p,
5p64f2, 5p54f6s2,
5p55d26p, 5p56s26p		5p6 d2 ( = 5, 6), 5p64f2, 5p65d6d, 5p66s6d, 5p64f p, 5p65d s, 5p6 s2, 5p6 p2 ( = 6–9), 5p66s s, 5p66d s, 5p66p p ( = 7–9), 5p67s s ( = 8, 9), 5p67p8p, 5p68s9s, 5p68p9p
Odd-parity4f6s, 4f5d, 5d p, 6s p ( = 6–9), 6p s, 7s p
( = 7–9), 7p s, 8s p ( = 8, 9), 8p9s, 9s9p		As in calculation A
5p64f6s, 5p64f5d, 5p65d6p, 5p54f26s,
5p55d6s2, 5p55d6p2		 
For HFR calculations
Even-parity5d2, 5d6s, 6s2, 4f6p, 4f25d2, 5d6s, 6s2, 4f6p, 5d7s, 5d6d, 4f2, 6p2, 6s6d, 6s7s  
Odd-parity4f6s, 4f5d, 5d6p, 6s6p4f6s, 4f5d, 5d6p, 6s6p, 4f7s, 4f6d, 5d7p, 6s7p