Neptunium (Np)
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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(6H°5/2)7s (5/2,1/2)° 2 83.490 BW92b
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
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Np III (5f5 6H°5/2) Limit
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