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| NIST Atomic Spectra Database Ionization Energies Data
Tc (all spectra) |
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, May 7]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
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At. num | El. Name | Isoel. Seq. | Ground Shells (a) | Ground Level | Ionization Energy (eV) | Uncertainty (b) (eV) | References
--------|------------|-------------|-------------------|----------------|--------------------------------------|----------------------|--------------
43 | Technetium | Tc | [Kr].4d5.5s2 | 6S<5/2> | 7.11938 | 0.00003 | L15237
43 | Technetium | Mo | [Kr].4d5.5s | 7S<3> | [15.26] | | L3466,L17503
43 | Technetium | Nb | [Kr].4d5 | 6S<5/2> | [29.55] | | L17276
43 | Technetium | Zr | [Kr].4d4 | 5D0 | (41.0) | 1.7 | L8672c99
43 | Technetium | Y | [Kr].4d3 | 4F<3/2> | (57.0) | 1.9 | L8672c99
43 | Technetium | Sr | [Kr].4d2 | 3F<2> | (72.0) | 2.0 | L8672c99
43 | Technetium | Rb | [Kr].4d | 2D<3/2> | (88.0) | 2.0 | L8672c99
43 | Technetium | Kr | [Ar].3d10.4s2.4p6 | 1S0 | (150.0) | 2.1 | L8672c99
43 | Technetium | Br | [Ar].3d10.4s2.4p5 | 2P*<3/2> | (169.0) | 2.2 | L8672c99
43 | Technetium | Se | [Ar].3d10.4s2.4p4 | 3P<2> | (189.9) | 2.2 | L8672c99
43 | Technetium | As | [Ar].3d10.4s2.4p3 | 4S*<3/2> | (214.0) | 2.4 | L8672c99
43 | Technetium | Ge | [Ar].3d10.4s2.4p2 | 3P0 | (239.0) | 2.5 | L8672c99
43 | Technetium | Ga | [Ar].3d10.4s2.4p | 2P*<1/2> | [262.08] | 0.12 | L6833
43 | Technetium | Zn | [Ar].3d10.4s2 | 1S0 | (311) | 3 | L8672c99
43 | Technetium | Cu | [Ar].3d10.4s | 2S<1/2> | [338.55] | 0.17 | L10278
43 | Technetium | Ni | [Ar].3d10 | 1S0 | (604) | 3 | L8672c99
43 | Technetium | Co | [Ar].3d9 | 2D<5/2> | (655) | 3 | L8672c99
43 | Technetium | Fe | [Ar].3d8 | 3F<4> | (713) | 3 | L8672c99
43 | Technetium | Mn | [Ar].3d7 | 4F<9/2> | (773) | 3 | L8672c99
43 | Technetium | Cr | [Ar].3d6 | 5D<4> | (829) | 4 | L8672c99
43 | Technetium | V | [Ar].3d5 | 6S<5/2> | (904) | 4 | L8672c99
43 | Technetium | Ti | [Ar].3d4 | 5D0 | (968) | 4 | L8672c99
43 | Technetium | Sc | [Ar].3d3 | 4F<3/2> | (1032) | 4 | L8672c99
43 | Technetium | Ca | [Ar].3d2 | 3F<2> | (1102) | 4 | L8672c99
43 | Technetium | K | [Ar].3d | 2D<3/2> | (1166) | 4 | L8672c99
43 | Technetium | Ar | [Ne].3s2.3p6 | 1S0 | [1354] | 4 | L11770
43 | Technetium | Cl | [Ne].3s2.3p5 | 2P*<3/2> | [1411.6] | 1.5 | L11770
43 | Technetium | S | [Ne].3s2.3p4 | 3P<2> | [1479.5] | 2.0 | L11770
43 | Technetium | P | [Ne].3s2.3p3 | 4S*<3/2> | [1559] | 6 | L11770
43 | Technetium | Si | [Ne].3s2.3p2 | 3P0 | [1638] | 4 | L11770
43 | Technetium | Al | [Ne].3s2.3p | 2P*<1/2> | [1689] | 8 | L11770
43 | Technetium | Mg | [Ne].3s2 | 1S0 | [1838] | 3 | L11770
43 | Technetium | Na | [Ne].3s | 2S<1/2> | [1900.28] | 0.06 | L11770
43 | Technetium | Ne | 1s2.2s2.2p6 | 1S0 | [4505.0] | 2.5 | L11770
43 | Technetium | F | 1s2.2s2.2p5 | 2P*<3/2> | [4681] | 8 | L11770
43 | Technetium | O | 1s2.2s2.2p4 | 3P<2> | [4874] | 10 | L11770
43 | Technetium | N | 1s2.2s2.2p3 | (0,3/2)*<3/2> | [5060] | 40 | L11770
43 | Technetium | C | 1s2.2s2.2p2 | 3P0 | [5361] | 6 | L11770
43 | Technetium | B | 1s2.2s2.2p | 2P*<1/2> | [5570] | 4 | L11770
43 | Technetium | Be | 1s2.2s2 | 1S0 | [5838] | 6 | L11770
43 | Technetium | Li | 1s2.2s | 2S<1/2> | (6008.391) | 0.017 | L16264c99
43 | Technetium | He | 1s2 | 1S0 | (25004.531) | 0.010 | L21139
43 | Technetium | H | 1s | 2S<1/2> | (25787.047) | 0.016 | L19200
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Notes:
(a) Designations used in the ground shell lists:
[Ne] = 1s2.2s2.2p6
[Ar] = 1s2.2s2.2p6.3s2.3p6
[Kr] = 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6
(b) Uncertainties of some of the listed values are unknown.
If you did not find the data you need, please inform the ASD Team.
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