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NIST Atomic Spectra Database
Ionization Energies Data

Ni (all spectra)
28 Data Rows Found 
Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2022). NIST Atomic Spectra Database (ver. 5.10), [Online]. Available: https://physics.nist.gov/asd [2023, May 30]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
 

 At. Num.   El.  name   Isoel.  Seq.   Ground  Shells a   Ground  Level   Ionization  Energy 
 (eV) 		 Uncertainty
 (eV) 		  References 
28  Nickel  Ni  [Ar]3d84s2   3F4    7.639878                 0.000017   L12369 
28  Nickel  Co  [Ar]3d9   2D5/2    18.168838                 0.000025   L7185,L897 
28  Nickel  Fe  [Ar]3d8   3F4    35.187                    0.019      L11049 
28  Nickel  Mn  [Ar]3d7   4F9/2    [54.92]                    0.25       L7185,L241 
28  Nickel  Cr  [Ar]3d6   5D4    [76.06]                    0.06       L7185 
28  Nickel  V  [Ar]3d5   6S5/2    [108.0]                     1.0        L7185,L241c99 
28  Nickel  Ti  [Ar]3d4   5D0    (132.0)                     2.0        L8672c99 
28  Nickel  Sc  [Ar]3d3   4F3/2    (162.0)                     2.1        L8672c99 
28  Nickel  Ca  [Ar]3d2   3F2    [193.2]                     0.5        L241c99 
28  Nickel  K  [Ar]3d   2D3/2    [224.7]                     0.5        L7185,L241c99 
28  Nickel  Ar  [Ne]3s23p6   1S0    [319.5]                     0.7        L11770 
28  Nickel  Cl  [Ne]3s23p5   2P°3/2    [351.6]                     0.3        L11770 
28  Nickel  S  [Ne]3s23p4   3P2    [384.5]                     0.5        L11770 
28  Nickel  P  [Ne]3s23p3   4S°3/2    [429.3]                     0.8        L11770 
28  Nickel  Si  [Ne]3s23p2   3P0    [462.8]                     1.1        L11770 
28  Nickel  Al  [Ne]3s23p   2P°1/2    [495.4]                     1.7        L11770 
28  Nickel  Mg  [Ne]3s2   1S0    [571.07]                    0.12       L7185 
28  Nickel  Na  [Ne]3s   2S1/2    [607.020]                   0.019      L11770 
28  Nickel  Ne  1s22s22p6   1S0    1 540.1                      0.5        L9858 
28  Nickel  F  1s22s22p5   2P°3/2    [1 646]                       3          L11770 
28  Nickel  O  1s22s22p4   3P2    [1 758]                       4          L11770 
28  Nickel  N  1s22s22p3   4S°3/2    [1 880]                       5          L11770 
28  Nickel  C  1s22s22p2   3P0    [2 008.1]                     1.3        L11770 
28  Nickel  B  1s22s22p   2P°1/2    [2 130.5]                     0.9        L11770 
28  Nickel  Be  1s22s2   1S0    [2 295.6]                     2.1        L11770 
28  Nickel  Li  1s22s   2S1/2    (2 399.259)                   0.007      L16264c99 
28  Nickel  He  1s2   1S0    (10 288.8862)                  0.0014     L12128 
28  Nickel  H  1s   2S1/2    (10 775.3948)                  0.0004     L19200 
Notes:
a Designations used in the ground shell lists:
[Ne] = 1s22s22p6
[Ar] = 1s22s22p63s23p6

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