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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Persistent Lines of Singly Ionized Actinium ( Ac II )

Int.    Wavelength   Aki        Energy          Configuration    Term    J   Line    Aki
           (Å)       (108s-1)   Levels (cm-1)                                Ref.    Ref.

  700    3565.59                  5267.16       6d7s             3D      2   MFT57   
                                 33304.96       6d7p             3D°     2
 
  700    3863.12                  7426.52       6d7s             3D      3   MFT57   
                                 33304.96       6d7p             3D°     2
 
 1000    4088.44                  7426.52       6d7s             3D      3   MFT57   
                                 31878.87       6d7p             1D°     2
 
  700    4168.40                  5267.16       6d7s             3D      2   MFT57   
                                 29250.40       6d7p             °       1
 
  500    4386.41                  9087.54       6d7s             1D      2   MFT57   
                                 31878.87       6d7p             1D°     2
 
  700    4507.20                     0.00       7s2              1S      0   MFT57   
                                 22180.52       7s7p             3P°     1
 
  300    5910.85                  5267.16       6d7s             3D      2   MFT57   
                                 22180.52       7s7p             3P°     1

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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