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NIST Atomic Spectra Database
Ionization Energies Data

Dy (all spectra)
66 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 28]. 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 
66  Dysprosium  Dy  [Xe]4f106s2   5I8    5.939061                 0.000006   L22122 
66  Dysprosium  Tb  [Xe]4f106s   (8,1/2)17/2    [11.647]                   0.020      L19870c180 
66  Dysprosium  Gd  [Xe]4f10   5I8    [22.89]                    0.03       L19883c180 
66  Dysprosium  Eu  [Xe]4f9   615/2    [41.23]                    0.08       L19883c180 
66  Dysprosium  Sm  [Xe]4f8   7F6    [62.1]                     0.3        L4095 
66  Dysprosium  Pm  [Cd]4f85p5   °    (93)                       5          L582 
66  Dysprosium  Nd  [Cd]4f85p4       (110)                       5          L582 
66  Dysprosium  Pr  [Cd]4f95p2   °    (127)                       6          L582 
66  Dysprosium  Ce  [Cd]4f85p2       (152)                       8          L582 
66  Dysprosium  La  [Cd]4f85p   °    (170)                       9          L582 
66  Dysprosium  Ba  [Cd]4f8       (192)                       10          L582 
66  Dysprosium  Cs  [Cd]4f7   °    (224)                       11          L582 
66  Dysprosium  Xe  [Cd]4f6       (259)                       12          L582 
66  Dysprosium  [Kr]4d104f65s       (279)                       14          L582 
66  Dysprosium  Te  [Cd]4f4       (300)                       15          L582 
66  Dysprosium  Sb  [Kr]4d104f5   65/2    (332)                       16          L582 
66  Dysprosium  Sn  [Kr]4d104f4   5I4    (366)                       19          L582 
66  Dysprosium  In  [Kr]4d104f3   49/2    (399)                       20          L582 
66  Dysprosium  Cd  [Kr]4d104f2   3H4    (431)                       21          L582 
66  Dysprosium  Ag  [Kr]4d104f   25/2    (464.9)                     2.5        L582c99 
66  Dysprosium  Pd  [Kr]4d10   1S0    (664)                       4          L8672c99 
66  Dysprosium  Rh  [Kr]4d9   2D5/2    (702)                       4          L8672c99 
66  Dysprosium  Ru  [Kr]4d8   3F4    (743)                       4          L8672c99 
66  Dysprosium  Tc  [Kr]4d7   4F9/2    (786)                       4          L8672c99 
66  Dysprosium  Mo  [Kr]4d6   5D4    (827)                       4          L8672c99 
66  Dysprosium  Nb  [Kr]4d5   6S5/2    (872)                       4          L8672c99 
66  Dysprosium  Zr  [Kr]4d4   5D0    (924)                       4          L8672c99 
66  Dysprosium  [Kr]4d3   4F3/2    (969)                       4          L8672c99 
66  Dysprosium  Sr  [Kr]4d2   3F2    (1 014)                       4          L8672c99 
66  Dysprosium  Rb  [Kr]4d   2D3/2    (1 059)                       4          L8672c99 
66  Dysprosium  Kr  [Ar]3d104s24p6   1S0    (1 232)                       4          L8672c99 
66  Dysprosium  Br  [Ar]3d104s24p5   23/2    (1 275)                       4          L8672c99 
66  Dysprosium  Se  [Ar]3d104s24p4   3P2    (1 325)                       4          L8672c99 
66  Dysprosium  As  [Ar]3d104s24p3   43/2    (1 371)                       5          L8672c99 
66  Dysprosium  Ge  [Ar]3d104s24p2   3P0    (1 468)                       5          L8672c99 
66  Dysprosium  Ga  [Ar]3d104s24p   21/2    (1 520)                       5          L8672c99 
66  Dysprosium  Zn  [Ar]3d104s2   1S0    (1 638)                       5          L8672c99 
66  Dysprosium  Cu  [Ar]3d104s   2S1/2    [1 691.7]                     0.3        L5473 
66  Dysprosium  Ni  [Ar]3d10   1S0    (2 882)                       4          L8672c99 
66  Dysprosium  Co  [Ar]3d9   2D5/2    (2 987)                       4          L8672c99 
66  Dysprosium  Fe  [Ar]3d8   3F4    (3 098)                       4          L8672c99 
66  Dysprosium  Mn  [Ar]3d7   4F9/2    (3 217)                       4          L8672c99 
66  Dysprosium  Cr  [Ar]3d6   4    (3 331)                       4          L8672c99 
66  Dysprosium  [Ar]3d5   5/2    (3 445)                       4          L8672c99 
66  Dysprosium  Ti  [Ar]3d4   5D0    (3 607)                       4          L8672c99 
66  Dysprosium  Sc  [Ar]3d3   4F3/2    (3 725)                       4          L8672c99 
66  Dysprosium  Ca  [Ar]3d2   3F2    (3 852)                       4          L8672c99 
66  Dysprosium  [Ar]3d   2D3/2    (3 970)                       4          L8672c99 
66  Dysprosium  Ar  [Ne]3s23p6   1S0    (4 303)                       4          L8672c99 
66  Dysprosium  Cl  [Ne]3s23p5   23/2    (4 407)                       4          L8672c99 
66  Dysprosium  [Ne]3s23p4   3P2    (4 523)                       4          L8672c99 
66  Dysprosium  [Ne]3s23p3   23/2    (4 629)                       4          L8672c99 
66  Dysprosium  Si  [Ne]3s23p2   3P0    (4 945)                       4          L8672c99 
66  Dysprosium  Al  [Ne]3s23p   21/2    (5 066)                       5          L8672c99 
66  Dysprosium  Mg  [Ne]3s2   1S0    (5 296)                       5          L8672c99 
66  Dysprosium  Na  [Ne]3s   2S1/2    (5 412)                       5          L8672c99 
66  Dysprosium  Ne  1s22s22p6   1S0    (12 081)                       5          L8672c99 
66  Dysprosium  1s22s22p5   23/2    (12 370)                       6          L8672c99 
66  Dysprosium  1s22s22p4   3P2    (12 690)                       6          L8672c99 
66  Dysprosium  1s22s22p3   (0,3/23/2    (12 986)                       7          L8672c99 
66  Dysprosium  1s22s22p2   3P0    (14 144)                       10          L8672c99 
66  Dysprosium  1s22s22p   21/2    (14 495)                       12          L8672c99 
66  Dysprosium  Be  1s22s2   1S0    (14 936)                       15          L8672c99 
66  Dysprosium  Li  1s22s   2S1/2    (15 228.06)                    0.11       L16264c99 
66  Dysprosium  He  1s2   1S0    (61 736.62)                    0.10       L21139 
66  Dysprosium  1s   2S1/2    (63 073.23)                    0.10       L19200 
Notes:
Designations used in the ground shell lists:
[Ne] = 1s22s22p6
[Ar] = 1s22s22p63s23p6
[Kr] = 1s22s22p63s23p63d104s24p6
[Cd] = 1s22s22p63s23p63d104s24p64d105s2
[Xe] = 1s22s22p63s23p63d104s24p64d105s25p6

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