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NIST Atomic Spectra Database
Ionization Energies Data

Ge (all spectra)
32 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 [2025, March 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) 		 Uncertainty
 (eV) 		  References 
32  Germanium  Ge  [Ar]3d104s24p2   3P0    7.899435                 0.000012   L3935,L12369 
32  Germanium  Ga  [Ar]3d104s24p   2P°1/2    15.934610                 0.000025   L7213 
32  Germanium  Zn  [Ar]3d104s2   1S0    34.0576                   0.0012     L7213,L11268 
32  Germanium  Cu  [Ar]3d104s   2S1/2    45.7155                   0.0012     L7213,L6924 
32  Germanium  Ni  [Ar]3d10   1S0    90.500                    0.019      L7213,L17779 
32  Germanium  Co  [Ar]3d9   2D5/2    [115.90]                    0.12       L7213 
32  Germanium  Fe  [Ar]3d8   3F4    (144.9)                     1.5        L7213 
32  Germanium  Mn  [Ar]3d7   4F9/2    (176.4)                     1.7        L7213 
32  Germanium  Cr  [Ar]3d6   5D4    (212.5)                     2.1        L7213 
32  Germanium  V  [Ar]3d5   6S5/2    (252.1)                     2.2        L8672c99 
32  Germanium  Ti  [Ar]3d4   5D0    (286)                       3          L7213 
32  Germanium  Sc  [Ar]3d3   4F3/2    (326.0)                     2.5        L8672c99 
32  Germanium  Ca  [Ar]3d2   3F2    (367)                       3          L8672c99 
32  Germanium  K  [Ar]3d   2D3/2    (407)                       3          L8672c99 
32  Germanium  Ar  [Ne]3s23p6   1S0    [527.9]                     1.6        L11770 
32  Germanium  Cl  [Ne]3s23p5   2P°3/2    [567.3]                     0.5        L11770 
32  Germanium  S  [Ne]3s23p4   3P2    [609.1]                     0.8        L11770 
32  Germanium  P  [Ne]3s23p3   4S°3/2    [662.8]                     1.9        L11770 
32  Germanium  Si  [Ne]3s23p2   3P0    [706.7]                     1.0        L7213 
32  Germanium  Al  [Ne]3s23p   2P°1/2    [744]                       3          L11770 
32  Germanium  Mg  [Ne]3s2   1S0    [837.1]                     1.0        L11770 
32  Germanium  Na  [Ne]3s   2S1/2    [880.44]                    0.03       L11770 
32  Germanium  Ne  1s22s22p6   1S0    2 178.2                      0.4        L9858 
32  Germanium  F  1s22s22p5   2P°3/2    [2 304]                       4          L11770 
32  Germanium  O  1s22s22p4   3P2    [2 439]                       5          L11770 
32  Germanium  N  1s22s22p3   4S°3/2    [2 575]                       19          L11770 
32  Germanium  C  1s22s22p2   3P0    [2 737.1]                     2.3        L11770 
32  Germanium  B  1s22s22p   2P°1/2    [2 881.9]                     1.6        L11770 
32  Germanium  Be  1s22s2   1S0    [3 074]                       3          L11770 
32  Germanium  Li  1s22s   2S1/2    (3 194.293)                   0.007      L16264c99 
32  Germanium  He  1s2   1S0    (13 557.4218)                  0.0019     L21139 
32  Germanium  H  1s   2S1/2    (14 119.4457)                  0.0009     L19200 
Notes:
a Designations used in the ground shell lists:
[Ne] = 1s22s22p6
[Ar] = 1s22s22p63s23p6

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