Neutral AtomSingly Ionized Atom
Finding listPeriodic TableAtomic DataStrong LinesNeutral Atom Persistent Lines Neutral Atom Energy LevelsSingly Ionized Persistent LinesSingly Ionized Energy LevelsReferences 

Energy Levels of Singly Ionized Neptunium ( Np II )


Configuration       Term       J   Level(cm-1) Ref.

5f46d7s 7L 5 0.000 BW92b 5f47s2 5I 4 24.270 BW92b 5f5(65/2)7s (5/2,1/2)° 2 83.490 BW92b 5f5(65/2)7s (5/2,1/2)° 3 1053.100 BW92b 5f46d7s 7L 6 1774.150 BW92b 5f46d7s 7K 4 2473.180 BW92b 5f47s2 5I 5 3836.145 BW92b 5f46d7s 7K 5 4007.270 BW92b 5f46d7s 7I 3 4209.465 BW92b 5f46d7s 7L 7 4797.670 BW92b 5f46d7s 5L 6 5068.225 BW92b 5f46d7s 7I 4 5451.830 BW92b 5f47s7p ° 4 24030.585 BW92b Np III (5f5 65/2) Limit