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NIST Atomic Spectra Database
Ionization Energies Data

Br (all spectra)
35 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, April 19]. 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) 		 Uncertaintyb 
 (eV) 		  References 
35  Bromine  Br  [Ar]3d104s24p5   2P°3/2    11.81381                 0.00006   L351,L67 
35  Bromine  Se  [Ar]3d104s24p4   3P2    21.591                     L8844 
35  Bromine  As  [Ar]3d104s24p3   4S°3/2    34.871                   0.019     L19007 
35  Bromine  Ge  [Ar]3d104s24p2   3P0    47.782                   0.012     L18581 
35  Bromine  Ga  [Ar]3d104s24p   2P°1/2    59.595                   0.025     L14906 
35  Bromine  Zn  [Ar]3d104s2   1S0    87.390                   0.025     L18281 
35  Bromine  Cu  [Ar]3d104s   2S1/2    [103.03]                   0.19      L10278 
35  Bromine  Ni  [Ar]3d10   1S0    192.61                    0.06      L6586 
35  Bromine  Co  [Ar]3d9   2D5/2    (224.0)                    2.2       L8672c99 
35  Bromine  Fe  [Ar]3d8   3F4    (261.0)                    2.2       L8672c99 
35  Bromine  Mn  [Ar]3d7   4F9/2    (301.0)                    2.4       L8672c99 
35  Bromine  Cr  [Ar]3d6   5D4    (338.0)                    2.5       L8672c99 
35  Bromine  V  [Ar]3d5   6S5/2    (393)                      3         L8672c99 
35  Bromine  Ti  [Ar]3d4   5D0    (436)                      3         L8672c99 
35  Bromine  Sc  [Ar]3d3   4F3/2    (481)                      3         L8672c99 
35  Bromine  Ca  [Ar]3d2   3F2    (530)                      3         L8672c99 
35  Bromine  K  [Ar]3d   2D3/2    (577)                      3         L8672c99 
35  Bromine  Ar  [Ne]3s23p6   1S0    [716.3]                    2.3       L11770 
35  Bromine  Cl  [Ne]3s23p5   2P°3/2    [761.0]                    0.8       L11770 
35  Bromine  S  [Ne]3s23p4   3P2    [809.8]                    1.2       L11770 
35  Bromine  P  [Ne]3s23p3   4S°3/2    [870]                      3         L11770 
35  Bromine  Si  [Ne]3s23p2   3P0    [920.8]                    2.2       L11770 
35  Bromine  Al  [Ne]3s23p   2P°1/2    [963]                      5         L11770 
35  Bromine  Mg  [Ne]3s2   1S0    [1 070.6]                    1.4       L11770 
35  Bromine  Na  [Ne]3s   2S1/2    [1 119.17]                   0.04      L11770 
35  Bromine  Ne  1s22s22p6   1S0    [2 731.4]                    1.5       L11770 
35  Bromine  F  1s22s22p5   2P°3/2    [2 869]                      5         L11770 
35  Bromine  O  1s22s22p4   3P2    [3 021]                      7         L11770 
35  Bromine  N  1s22s22p3   4S°3/2    [3 169]                      24         L11770 
35  Bromine  C  1s22s22p2   3P0    [3 361]                      3         L11770 
35  Bromine  B  1s22s22p   2P°1/2    [3 523.1]                    2.2       L11770 
35  Bromine  Be  1s22s2   1S0    [3 735]                      4         L11770 
35  Bromine  Li  1s22s   2S1/2    (3 868.986)                  0.007     L16264c99 
35  Bromine  He  1s2   1S0    (16 317.014)                  0.004     L21139 
35  Bromine  H  1s   2S1/2    (16 937.1497)                 0.0015    L19200 
Notes:
a Designations used in the ground shell lists:
[Ne] = 1s22s22p6
[Ar] = 1s22s22p63s23p6
b Uncertainties of some of the listed values are unknown.

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