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NIST Atomic Spectra Database
Ionization Energies Data

Y (all spectra)
39 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, September 13]. 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 
39  Yttrium  Y  [Kr]4d5s2   2D3/2    6.21726                 0.00010   L8844,L2111,L9735 
39  Yttrium  Sr  [Kr]5s2   1S0    12.2236                  0.0006    L10987 
39  Yttrium  Rb  [Kr]4d   2D3/2    20.52441                 0.00012   L2592 
39  Yttrium  Kr  [Ar]3d104s24p6   1S0    [60.6072]                 0.0025    L5501 
39  Yttrium  Br  [Ar]3d104s24p5   2P°3/2    75.35                    0.04      L19755 
39  Yttrium  Se  [Ar]3d104s24p4   3P2    [91.390]                  0.025     L6821 
39  Yttrium  As  [Ar]3d104s24p3   4S°3/2    [110.02]                   0.15      L5287 
39  Yttrium  Ge  [Ar]3d104s24p2   3P0    [128.12]                   0.12      L20835 
39  Yttrium  Ga  [Ar]3d104s24p   2P°1/2    [145.64]                   0.04      L6833 
39  Yttrium  Zn  [Ar]3d104s2   1S0    [185.7]                    0.4       L6976 
39  Yttrium  Cu  [Ar]3d104s   2S1/2    205.814                   0.025     L4899 
39  Yttrium  Ni  [Ar]3d10   1S0    374.04                    0.25      L3465c99 
39  Yttrium  Co  [Ar]3d9   2D5/2    (414)                      3         L8672c99 
39  Yttrium  Fe  [Ar]3d8   3F4    (463)                      3         L8672c99 
39  Yttrium  Mn  [Ar]3d7   4F9/2    (512)                      3         L8672c99 
39  Yttrium  Cr  [Ar]3d6   5D4    (559)                      3         L8672c99 
39  Yttrium  V  [Ar]3d5   6S5/2    (624)                      3         L8672c99 
39  Yttrium  Ti  [Ar]3d4   5D0    (677)                      3         L8672c99 
39  Yttrium  Sc  [Ar]3d3   4F3/2    (733)                      3         L8672c99 
39  Yttrium  Ca  [Ar]3d2   3F2    (790)                      4         L8672c99 
39  Yttrium  K  [Ar]3d   2D3/2    (847)                      4         L8672c99 
39  Yttrium  Ar  [Ne]3s23p6   1S0    [1 010]                      3         L11770 
39  Yttrium  Cl  [Ne]3s23p5   2P°3/2    [1 061.9]                    1.2       L11770 
39  Yttrium  S  [Ne]3s23p4   3P2    [1 120.2]                    1.6       L11770 
39  Yttrium  P  [Ne]3s23p3   4S°3/2    [1 190]                      4         L11770 
39  Yttrium  Si  [Ne]3s23p2   3P0    [1 253]                      3         L11770 
39  Yttrium  Al  [Ne]3s23p   2P°1/2    [1 300]                      6         L11770 
39  Yttrium  Mg  [Ne]3s2   1S0    [1 427.6]                    2.0       L11770 
39  Yttrium  Na  [Ne]3s   2S1/2    [1 483.12]                   0.05      L11770 
39  Yttrium  Ne  1s22s22p6   1S0    [3 562.9]                    2.0       L11770 
39  Yttrium  F  1s22s22p5   2P°3/2    [3 720]                      6         L11770 
39  Yttrium  O  1s22s22p4   3P2    [3 892]                      8         L11770 
39  Yttrium  N  1s22s22p3   (0,3/2)°3/2    [4 060]                      30         L11770 
39  Yttrium  C  1s22s22p2   3P0    [4 299]                      5         L11770 
39  Yttrium  B  1s22s22p   2P°1/2    [4 484]                      3         L11770 
39  Yttrium  Be  1s22s2   1S0    [4 724]                      5         L11770 
39  Yttrium  Li  1s22s   2S1/2    (4 875.731)                  0.012     L16264c99 
39  Yttrium  He  1s2   1S0    (20 415.719)                  0.006     L21139 
39  Yttrium  H  1s   2S1/2    (21 115.588)                  0.003     L19200 
Notes:
a Designations used in the ground shell lists:
[Ne] = 1s22s22p6
[Ar] = 1s22s22p63s23p6
[Kr] = 1s22s22p63s23p63d104s24p6

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