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 LinesActinium 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. 
              
6d7s22D3/2     0.00MFT57
  5/2  2231.43MFT57
     
6d27s4F3/2  9217.28MFT57
  5/2  9863.59MFT57
  7/2 10906.02MFT57
  9/2 12078.07MFT57
     
6d7s(3D)7p43/2 13712.90MFT57
  5/2 14940.72MFT57
  7/2 17683.87MFT57
     
6d7s(3D)7p41/2 17199.71MFT57
  3/2 19012.46MFT57
  5/2 21195.87MFT57
  7/2 23475.94MFT57
     
6d7s(3D)7p23/2 17736.26MFT57
  5/2 17950.71MFT57
     
6d7s(3D)7p41/2 22401.52MFT57
  3/2 22801.10MFT57
  5/2 23898.86MFT57
     
6d7s(3D)7p25/2 23916.84MFT57
  7/2 24969.30MFT57
     
6d7s(3D)7p21/2 25729.03MFT57
  3/2 27009.84MFT57
     
6d7s(1D)7p23/2 26066.04MFT57
  5/2 26533.16MFT57
     
6d7s(1D)7p25/2 26836.20MFT57
  7/2 28568.40MFT57
     
6d7s(1D)7p23/2 30396.61MFT57
     
6d2(3F)7p45/2 31494.68MFT57
  7/2 32219.62MFT57
  9/2 32867.39MFT57
  11/2 33429.76MFT57
     

Ac II (1S0)Limit  41700S74
     


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