[skip navigation]
[ASD Home][Lines Query][Levels Query][List of Spectra][Ground States and Ionization Energies][Bibliography][Help] NIST Physical Measurement Laboratory
National Institute of Standards and Technology NIST Physical Measurement Laboratory
NIST Atomic Spectra Database
Ionization Energies Data

Se (all spectra)
34 Data Rows Found 
Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2024). NIST Atomic Spectra Database (ver. 5.12), [Online]. Available: https://physics.nist.gov/asd [2024, December 10]. 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 
34  Selenium  Se  [Ar]3d104s24p4   3P2    9.752368                 0.000006   L21645 
34  Selenium  As  [Ar]3d104s24p3   4S°3/2    21.196                    0.010      L17234c100 
34  Selenium  Ge  [Ar]3d104s24p2   3P0    31.697                    0.019      L17867 
34  Selenium  Ga  [Ar]3d104s24p   2P°1/2    42.947                    0.003      L925 
34  Selenium  Zn  [Ar]3d104s2   1S0    [68.30]                    0.10       L16139 
34  Selenium  Cu  [Ar]3d104s   2S1/2    81.83                     0.03       L4300 
34  Selenium  Ni  [Ar]3d10   1S0    155.327                    0.012      L6168 
34  Selenium  Co  [Ar]3d9   2D5/2    (184.0)                     2.1        L8672c99 
34  Selenium  Fe  [Ar]3d8   3F4    (219.0)                     2.2        L8672c99 
34  Selenium  Mn  [Ar]3d7   4F9/2    (255.0)                     2.2        L8672c99 
34  Selenium  Cr  [Ar]3d6   5D4    (291.0)                     2.4        L8672c99 
34  Selenium  V  [Ar]3d5   6S5/2    (342.9)                     2.5        L8672c99 
34  Selenium  Ti  [Ar]3d4   5D0    (383)                       3          L8672c99 
34  Selenium  Sc  [Ar]3d3   4F3/2    (426)                       3          L8672c99 
34  Selenium  Ca  [Ar]3d2   3F2    (473)                       3          L8672c99 
34  Selenium  K  [Ar]3d   2D3/2    (517)                       3          L8672c99 
34  Selenium  Ar  [Ne]3s23p6   1S0    [650.5]                     2.1        L11770 
34  Selenium  Cl  [Ne]3s23p5   2P°3/2    [693.4]                     0.7        L11770 
34  Selenium  S  [Ne]3s23p4   3P2    [739.8]                     1.1        L11770 
34  Selenium  P  [Ne]3s23p3   4S°3/2    [798]                       3          L11770 
34  Selenium  Si  [Ne]3s23p2   3P0    [845.8]                     2.0        L11770 
34  Selenium  Al  [Ne]3s23p   2P°1/2    [887]                       4          L11770 
34  Selenium  Mg  [Ne]3s2   1S0    [989.6]                     1.3        L11770 
34  Selenium  Na  [Ne]3s   2S1/2    [1 036.36]                    0.03       L11770 
34  Selenium  Ne  1s22s22p6   1S0    [2 540.7]                     1.4        L11770 
34  Selenium  F  1s22s22p5   2P°3/2    [2 674]                       5          L11770 
34  Selenium  O  1s22s22p4   3P2    [2 820]                       6          L11770 
34  Selenium  N  1s22s22p3   4S°3/2    [2 964]                       22          L11770 
34  Selenium  C  1s22s22p2   3P0    [3 146]                       3          L11770 
34  Selenium  B  1s22s22p   2P°1/2    [3 301.8]                     2.1        L11770 
34  Selenium  Be  1s22s2   1S0    [3 507]                       3          L11770 
34  Selenium  Li  1s22s   2S1/2    (3 636.526)                   0.007      L16264c99 
34  Selenium  He  1s2   1S0    (15 367.493)                   0.003      L21139 
34  Selenium  H  1s   2S1/2    (15 968.1075)                  0.0012     L19200 
Notes:
a Designations used in the ground shell lists:
[Ne] = 1s22s22p6
[Ar] = 1s22s22p63s23p6

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

[ASD Home][Lines Query][Levels Query][List of Spectra][Ground States and Ionization Energies][Bibliography][Help] NIST Physical Measurement Laboratory