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NIST Atomic Spectra Database
Ionization Energies Data

As (all spectra)
33 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 [2020, December 2]. 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 
33  Arsenic    9.78855                 0.00025   L1351 
33  +1  Arsenic    18.5892                  0.0010    L820 
33  +2  Arsenic    28.349                   0.012     L9358 
33  +3  Arsenic    50.15                    0.06      L9358 
33  +4  Arsenic    62.77                    0.06      L5339 
33  +5  Arsenic    121.19                    0.06      L11275 
33  +6  Arsenic    (147.0)                    2.0       L8672c99 
33  +7  Arsenic    (180.0)                    2.1       L8672c99 
33  +8  Arsenic    (213.0)                    2.2       L8672c99 
33  +9  Arsenic    (247.0)                    2.2       L8672c99 
33  +10  Arsenic    (296.0)                    2.4       L8672c99 
33  +11  Arsenic    (333.0)                    2.5       L8672c99 
33  +12  Arsenic    (375)                      3         L8672c99 
33  +13  Arsenic    (418)                      3         L8672c99 
33  +14  Arsenic    (460)                      3         L8672c99 
33  +15  Arsenic    [587.6]                    1.9       L11770 
33  +16  Arsenic    [628.8]                    0.6       L11770 
33  +17  Arsenic    [672.9]                    0.9       L11770 
33  +18  Arsenic    [728.9]                    2.2       L11770 
33  +19  Arsenic    [774.0]                    1.8       L11770 
33  +20  Arsenic    [814]                      4         L11770 
33  +21  Arsenic    [911.7]                    1.1       L11770 
33  +22  Arsenic    [956.79]                   0.03      L11770 
33  +23  Arsenic    [2 356.9]                    1.4       L11770 
33  +24  Arsenic    [2 486]                      4         L11770 
33  +25  Arsenic    [2 626]                      6         L11770 
33  +26  Arsenic    [2 766]                      21         L11770 
33  +27  Arsenic    [2 938]                      3         L11770 
33  +28  Arsenic    [3 088.1]                    1.9       L11770 
33  +29  Arsenic    [3 287]                      3         L11770 
33  +30  Arsenic    (3 411.643)                  0.007     L16264c99 
33  +31  Arsenic    (14 447.678)                  0.003     L12128 
33  +32  Arsenic    (15 028.907)                  0.006     L7188 

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