NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

[skip navigation] National Institute of Standards and Technology NIST Physical Measurement Laboratory Neptunium (Np) 

Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableNeptunium Atomic DataNeptunium Strong LinesNeptunium Neutral Atom Persistent Lines Neptunium Neutral Atom Energy LevelsNeptunium Singly Ionized Persistent LinesNeptunium Singly Ionized Energy LevelsNeptunium References
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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

Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableNeptunium Atomic DataNeptunium Strong LinesNeptunium Neutral Atom Persistent Lines Neptunium Neutral Atom Energy LevelsNeptunium Singly Ionized Persistent LinesNeptunium Singly Ionized Energy LevelsNeptunium References
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