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Ionization Energies Data

Cu (all spectra)
29 Data Rows Found 

Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2023). NIST Atomic Spectra Database (ver. 5.11), [Online]. Available: https://physics.nist.gov/asd [2024, March 29]. 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 
29  Copper  Cu  [Ar]3d104s   2S1/2    7.726380                 0.000004   L14897 
29  Copper  Ni  [Ar]3d10   1S0    20.29239                  0.00006    L869,L19804 
29  Copper  Co  [Ar]3d9   2D5/2    36.841                    0.012      L10559,L2987 
29  Copper  Fe  [Ar]3d8   3F4    [57.38]                    0.05       L10559,L5144 
29  Copper  Mn  [Ar]3d7   4F9/2    [79.8]                     0.7        L10559,L241 
29  Copper  Cr  [Ar]3d6   5D4    [103.0]                     1.0        L10559,L241 
29  Copper  [Ar]3d5   6S5/2    [139.0]                     1.2        L10559,L241c99 
29  Copper  Ti  [Ar]3d4   5D0    (166.0)                     2.1        L8672c99 
29  Copper  Sc  [Ar]3d3   4F3/2    (198.0)                     2.2        L8672c99 
29  Copper  Ca  [Ar]3d2   3F2    [232.2]                     0.5        L241c99 
29  Copper  [Ar]3d   2D3/2    265.33                     0.25       L10559 
29  Copper  Ar  [Ne]3s23p6   1S0    [367.0]                     0.9        L11770 
29  Copper  Cl  [Ne]3s23p5   23/2    [401.0]                     0.3        L11770 
29  Copper  [Ne]3s23p4   3P2    [436.0]                     0.6        L11770 
29  Copper  [Ne]3s23p3   43/2    [483.1]                     0.9        L11770 
29  Copper  Si  [Ne]3s23p2   3P0    [518.7]                     1.2        L11770 
29  Copper  Al  [Ne]3s23p   21/2    [552.8]                     2.1        L11770 
29  Copper  Mg  [Ne]3s2   1S0    [632.5]                     0.6        L11770 
29  Copper  Na  [Ne]3s   2S1/2    [670.608]                   0.020      L11770 
29  Copper  Ne  1s22s22p6   1S0    [1 690.5]                     0.9        L11770 
29  Copper  1s22s22p5   23/2    [1 800]                       3          L11770 
29  Copper  1s22s22p4   3P2    [1 918]                       4          L11770 
29  Copper  1s22s22p3   43/2    [2 044]                       6          L11770 
29  Copper  1s22s22p2   3P0    [2 179.4]                     1.5        L11770 
29  Copper  1s22s22p   21/2    [2 307.3]                     1.0        L11770 
29  Copper  Be  1s22s2   1S0    [2 479.1]                     2.2        L11770 
29  Copper  Li  1s22s   2S1/2    (2 586.954)                   0.007      L16264c99 
29  Copper  He  1s2   1S0    (11 062.4309)                  0.0011     L21139 
29  Copper  1s   2S1/2    (11 567.6237)                  0.0005     L19200 
Notes:
Designations used in the ground shell lists:
[Ne] = 1s22s22p6
[Ar] = 1s22s22p63s23p6

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