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NIST Atomic Spectra Database
Ionization Energies Data

Ba (all spectra)
56 Data Rows Found 

Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2020). NIST Atomic Spectra Database (ver. 5.8), [Online]. Available: https://physics.nist.gov/asd [2021, May 13]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
 

 At. Num.   Ion  Charge   El.  name   Ionization  Energy 
 (eV) 
Uncertainty
 (eV) 
 References 
56  Barium    5.2116646                 0.0000012   L6347,L9224 
56  +1  Barium    10.003826                  0.000012    L9224 
56  +2  Barium    35.8438                    0.0025      L3667 
56  +3  Barium    [47.0]                      0.3         L11023 
56  +4  Barium    (58.0)                      1.9         L8672c99 
56  +5  Barium    (71.0)                      2.0         L8672c99 
56  +6  Barium    (86.0)                      2.0         L8672c99 
56  +7  Barium    (101.0)                      2.1         L8672c99 
56  +8  Barium    [130.5]                      0.6         L6980 
56  +9  Barium    [146.52]                     0.12        L5438 
56  +10  Barium    (241.0)                      2.4         L8672c99 
56  +11  Barium    (267.1)                      2.5         L8672c99 
56  +12  Barium    (296)                        3           L8672c99 
56  +13  Barium    (325)                        3           L8672c99 
56  +14  Barium    (354)                        3           L8672c99 
56  +15  Barium    (390)                        3           L8672c99 
56  +16  Barium    (422)                        3           L8672c99 
56  +17  Barium    (455)                        3           L8672c99 
56  +18  Barium    (488)                        3           L8672c99 
56  +19  Barium    (520)                        4           L8672c99 
56  +20  Barium    (646)                        4           L8672c99 
56  +21  Barium    (679)                        4           L8672c99 
56  +22  Barium    (717)                        4           L8672c99 
56  +23  Barium    (752)                        4           L8672c99 
56  +24  Barium    (809)                        4           L8672c99 
56  +25  Barium    (846)                        4           L8672c99 
56  +26  Barium    (935)                        4           L8672c99 
56  +27  Barium    [976.62]                     0.11        L5473 
56  +28  Barium    (1 695)                        4           L8672c99 
56  +29  Barium    (1 776)                        4           L8672c99 
56  +30  Barium    (1 864)                        4           L8672c99 
56  +31  Barium    (1 958)                        4           L8672c99 
56  +32  Barium    (2 047)                        4           L8672c99 
56  +33  Barium    (2 142)                        5           L8672c99 
56  +34  Barium    (2 256)                        5           L8672c99 
56  +35  Barium    (2 349)                        5           L8672c99 
56  +36  Barium    (2 452)                        5           L8672c99 
56  +37  Barium    (2 547)                        4           L8672c99 
56  +38  Barium    (2 814)                        4           L8672c99 
56  +39  Barium    (2 901)                        4           L8672c99 
56  +40  Barium    (2 994)                        4           L8672c99 
56  +41  Barium    (3 081)                        4           L8672c99 
56  +42  Barium    (3 266)                        4           L8672c99 
56  +43  Barium    (3 363)                        4           L8672c99 
56  +44  Barium    (3 546)                        4           L8672c99 
56  +45  Barium    (3 640)                        4           L8672c99 
56  +46  Barium    (8 326)                        4           L8672c99 
56  +47  Barium    (8 565)                        4           L8672c99 
56  +48  Barium    (8 831)                        4           L8672c99 
56  +49  Barium    (9 077)                        4           L8672c99 
56  +50  Barium    (9 739)                        4           L8672c99 
56  +51  Barium    (10 023)                        4           L8672c99 
56  +52  Barium    (10 376)                        4           L8672c99 
56  +53  Barium    (10 616.42)                     0.05        L16264c99 
56  +54  Barium    (43 485.366)                    0.019       L12128 
56  +55  Barium    (44 561.47)                     0.06        L7188 

If you did not find the data you need, please inform the ASD Team.

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