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NIST Atomic Spectra Database
Ionization Energies Data

Nb (all spectra)
41 Data Rows Found

Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2014). NIST Atomic Spectra Database (ver. 5.2), [Online]. Available: http://physics.nist.gov/asd [2014, October 30]. National Institute of Standards and Technology, Gaithersburg, MD.
BibTex Citation (new window)
 

 At. Num.   El.  name   Isoel.  Seq.   Ground  Shells a   Ground  Level   Ionization  Energy b 
 (eV) 
 References 
41  Niobium  Nb  [Kr]4d45s   6D1/2    6.75885(4)             L6829 
41  Niobium  Zr  [Kr]4d4   5D0    [14.32]                  L3466 
41  Niobium  [Kr]4d3   4F3/2    [25.04]                  L17276 
41  Niobium  Sr  [Kr]4d2   3F2    37.611(22)              L12094 
41  Niobium  Rb  [Kr]4d   2D3/2    50.5728(25)             L5437 
41  Niobium  Kr  [Ar]3d104s24p6   1S0    [102.069(6)]              L11271 
41  Niobium  Br  [Ar]3d104s24p5   23/2    119.1(4)                 L2933 
41  Niobium  Se  [Ar]3d104s24p4   3P2    (136.0(21))               L8672c99 
41  Niobium  As  [Ar]3d104s24p3   43/2    [159.2(7)]                L5287 
41  Niobium  Ge  [Ar]3d104s24p2   3P0    (180.0(22))               L8672c99 
41  Niobium  Ga  [Ar]3d104s24p   21/2    [200.28(6)]               L6833 
41  Niobium  Zn  [Ar]3d104s2   1S0    [246.1(4)]                L6976 
41  Niobium  Cu  [Ar]3d104s   2S1/2    268.59(4)                L4998 
41  Niobium  Ni  [Ar]3d10   1S0    [482.5(15)]               L10191 
41  Niobium  Co  [Ar]3d9   2D5/2    (530.0(30))               L8672c99 
41  Niobium  Fe  [Ar]3d8   3F4    (581.0(30))               L8672c99 
41  Niobium  Mn  [Ar]3d7   4F9/2    (636.0(30))               L8672c99 
41  Niobium  Cr  [Ar]3d6   5D4    (688.0(30))               L8672c99 
41  Niobium  [Ar]3d5   6S5/2    (758.0(30))               L8672c99 
41  Niobium  Ti  [Ar]3d4   5D0    (816(4))                  L8672c99 
41  Niobium  Sc  [Ar]3d3   4F3/2    (877(4))                  L8672c99 
41  Niobium  Ca  [Ar]3d2   3F2    (940(4))                  L8672c99 
41  Niobium  [Ar]3d   2D3/2    (1 000(4))                  L8672c99 
41  Niobium  Ar  [Ne]3s23p6   1S0    [1 176(4)]                  L11770 
41  Niobium  Cl  [Ne]3s23p5   23/2    [1 230.6(13)]               L11770 
41  Niobium  [Ne]3s23p4   3P2    [1 293.7(18)]               L11770 
41  Niobium  [Ne]3s23p3   43/2    [1 368(5)]                  L11770 
41  Niobium  Si  [Ne]3s23p2   3P0    [1 439(3)]                  L11770 
41  Niobium  Al  [Ne]3s23p   21/2    [1 488(7)]                  L11770 
41  Niobium  Mg  [Ne]3s2   1S0    [1 625.9(23)]               L11770 
41  Niobium  Na  [Ne]3s   2S1/2    [1 684.97(5)]               L11770 
41  Niobium  Ne  1s22s22p6   1S0    [4 020.1(22)]               L11770 
41  Niobium  1s22s22p5   23/2    [4 187(7)]                  L11770 
41  Niobium  1s22s22p4   3P2    [4 369(9)]                  L11770 
41  Niobium  1s22s22p3   (0,3/23/2    [4 540(30)]                 L11770 
41  Niobium  1s22s22p2   3P0    [4 815(5)]                  L11770 
41  Niobium  1s22s22p   21/2    [5 011(4)]                  L11770 
41  Niobium  Be  1s22s2   1S0    [5 265(5)]                  L11770 
41  Niobium  Li  1s22s   2S1/2    (5 426.065(15))             L16264c99 
41  Niobium  He  1s2   1S0    (22 648.045(6))              L12128 
41  Niobium  1s   2S1/2    (23 388.800(12))             L7188 
Notes:
Designations used in the ground shell lists:
[Ne] = 1s22s22p6
[Ar] = 1s22s22p63s23p6
[Kr] = 1s22s22p63s23p64s24p6
Uncertainty, if known, is given in parentheses after the value. It is expressed in the units of the last decimal place of the value.

Query time: 0.2 sec

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