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NIST Atomic Spectra Database
Ionization Energies Data

Tc (all spectra)
43 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 26]. 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 
43  Technetium  Tc  [Kr]4d55s2   6S5/2    7.11938(3)              L15237 
43  Technetium  Mo  [Kr]4d55s   7S3    [15.26]                   L3466,L17503 
43  Technetium  Nb  [Kr]4d5   6S5/2    [29.55]                   L17276 
43  Technetium  Zr  [Kr]4d4   5D0    (41.0(17))                L8672c99 
43  Technetium  [Kr]4d3   4F3/2    (57.0(19))                L8672c99 
43  Technetium  Sr  [Kr]4d2   3F2    (72.0(20))                L8672c99 
43  Technetium  Rb  [Kr]4d   2D3/2    (88.0(20))                L8672c99 
43  Technetium  Kr  [Ar]3d104s24p6   1S0    (150.0(21))                L8672c99 
43  Technetium  Br  [Ar]3d104s24p5   23/2    (169.0(22))                L8672c99 
43  Technetium  Se  [Ar]3d104s24p4   3P2    (189.9(22))                L8672c99 
43  Technetium  As  [Ar]3d104s24p3   43/2    (214.0(24))                L8672c99 
43  Technetium  Ge  [Ar]3d104s24p2   3P0    (239.0(25))                L8672c99 
43  Technetium  Ga  [Ar]3d104s24p   21/2    [262.08(12)]               L6833 
43  Technetium  Zn  [Ar]3d104s2   1S0    (311.0(30))                L8672c99 
43  Technetium  Cu  [Ar]3d104s   2S1/2    [338.55(17)]               L10278 
43  Technetium  Ni  [Ar]3d10   1S0    (604.1(30))                L8672c99 
43  Technetium  Co  [Ar]3d9   2D5/2    (655.0(30))                L8672c99 
43  Technetium  Fe  [Ar]3d8   3F4    (713.0(30))                L8672c99 
43  Technetium  Mn  [Ar]3d7   4F9/2    (773.0(30))                L8672c99 
43  Technetium  Cr  [Ar]3d6   5D4    (829(4))                   L8672c99 
43  Technetium  [Ar]3d5   6S5/2    (904(4))                   L8672c99 
43  Technetium  Ti  [Ar]3d4   5D0    (968(4))                   L8672c99 
43  Technetium  Sc  [Ar]3d3   4F3/2    (1 032(4))                   L8672c99 
43  Technetium  Ca  [Ar]3d2   3F2    (1 102(4))                   L8672c99 
43  Technetium  [Ar]3d   2D3/2    (1 166(4))                   L8672c99 
43  Technetium  Ar  [Ne]3s23p6   1S0    [1 354(4)]                   L11770 
43  Technetium  Cl  [Ne]3s23p5   23/2    [1 411.6(15)]                L11770 
43  Technetium  [Ne]3s23p4   3P2    [1 479.5(20)]                L11770 
43  Technetium  [Ne]3s23p3   43/2    [1 559(6)]                   L11770 
43  Technetium  Si  [Ne]3s23p2   3P0    [1 638(4)]                   L11770 
43  Technetium  Al  [Ne]3s23p   21/2    [1 689(8)]                   L11770 
43  Technetium  Mg  [Ne]3s2   1S0    [1 837.7(30)]                L11770 
43  Technetium  Na  [Ne]3s   2S1/2    [1 900.28(6)]                L11770 
43  Technetium  Ne  1s22s22p6   1S0    [4 505.0(25)]                L11770 
43  Technetium  1s22s22p5   23/2    [4 681(8)]                   L11770 
43  Technetium  1s22s22p4   3P2    [4 874(10)]                  L11770 
43  Technetium  1s22s22p3   (0,3/23/2    [5 060(40)]                  L11770 
43  Technetium  1s22s22p2   3P0    [5 361(6)]                   L11770 
43  Technetium  1s22s22p   21/2    [5 570(4)]                   L11770 
43  Technetium  Be  1s22s2   1S0    [5 838(6)]                   L11770 
43  Technetium  Li  1s22s   2S1/2    (6 008.391(17))              L16264c99 
43  Technetium  He  1s2   1S0    (25 004.532(17))              L12128 
43  Technetium  1s   2S1/2    (25 786.989(25))              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: 0.1 sec

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