NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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

Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableActinium Atomic DataActinium Strong LinesActinium Neutral Atom Persistent Lines Actinium Neutral Atom Energy LevelsActinium Singly Ionized Persistent LinesActinium Singly Ionized Energy LevelsActinium References
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Energy Levels of Neutral Actinium ( Ac I )


Configuration   Term   J      Level(cm-1) Ref.

6d7s2 2D 3/2 0.00 MFT57 5/2 2231.43 MFT57 6d27s 4F 3/2 9217.28 MFT57 5/2 9863.59 MFT57 7/2 10906.02 MFT57 9/2 12078.07 MFT57 6d7s(3D)7p 43/2 13712.90 MFT57 5/2 14940.72 MFT57 7/2 17683.87 MFT57 6d7s(3D)7p 41/2 17199.71 MFT57 3/2 19012.46 MFT57 5/2 21195.87 MFT57 7/2 23475.94 MFT57 6d7s(3D)7p 23/2 17736.26 MFT57 5/2 17950.71 MFT57 6d7s(3D)7p 41/2 22401.52 MFT57 3/2 22801.10 MFT57 5/2 23898.86 MFT57 6d7s(3D)7p 25/2 23916.84 MFT57 7/2 24969.30 MFT57 6d7s(3D)7p 21/2 25729.03 MFT57 3/2 27009.84 MFT57 6d7s(1D)7p 23/2 26066.04 MFT57 5/2 26533.16 MFT57 6d7s(1D)7p 25/2 26836.20 MFT57 7/2 28568.40 MFT57 6d7s(1D)7p 23/2 30396.61 MFT57 6d2(3F)7p 45/2 31494.68 MFT57 7/2 32219.62 MFT57 9/2 32867.39 MFT57 11/2 33429.76 MFT57 ------------------------------------------- Ac II (1S0) Limit 41700 S74


Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableActinium Atomic DataActinium Strong LinesActinium Neutral Atom Persistent Lines Actinium Neutral Atom Energy LevelsActinium Singly Ionized Persistent LinesActinium Singly Ionized Energy LevelsActinium References
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