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National Institute of Standards and Technology NIST Physical Measurement Laboratory
NIST Atomic Spectra Database
Ionization Energies Data

Cr (all spectra)
24 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, July 28]. 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 
24  Chromium    6.76651                  0.00004    L7185,L2832 
24  +1  Chromium    16.486305                 0.000015   L18847 
24  +2  Chromium    30.959                    0.025      L7185,L17500 
24  +3  Chromium    [49.16]                    0.05       L7185,L5498 
24  +4  Chromium    [69.46]                    0.04       L1933,L7185 
24  +5  Chromium    90.6349                   0.0007     L7185,L2229 
24  +6  Chromium    [160.29]                    0.06       L11770 
24  +7  Chromium    [184.76]                    0.15       L11770 
24  +8  Chromium    [209.5]                     0.3        L11770 
24  +9  Chromium    [244.5]                     0.5        L11770 
24  +10  Chromium    [270.8]                     0.5        L7185 
24  +11  Chromium    [296.7]                     0.6        L11770 
24  +12  Chromium    [354.7]                     0.3        L11770 
24  +13  Chromium    [384.163]                   0.006      L11770 
24  +14  Chromium    [1 011.6]                     0.5        L11770 
24  +15  Chromium    [1 097.2]                     1.4        L11770 
24  +16  Chromium    [1 188.0]                     2.1        L11770c98 
24  +17  Chromium    [1 294.8]                     1.6        L11770 
24  +18  Chromium    [1 394.5]                     0.7        L11770 
24  +19  Chromium    [1 495.1]                     0.7        L11770 
24  +20  Chromium    [1 634.1]                     0.5        L11770 
24  +21  Chromium    (1 721.183)                   0.007      L16264c99 
24  +22  Chromium    (7 481.8628)                  0.0007     L12128 
24  +23  Chromium    (7 894.7992)                  0.0025     L7188 

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

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