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| NIST Atomic Spectra Database Ionization Energies Data
Ba (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 (eV) | References
--------|----------|-------------|-------------------|----------------|--------------------------------------|----------------------|-------------
56 | Barium | Ba | [Xe].6s2 | 1S0 | 5.2116646 | 0.0000012 | L6347,L9224
56 | Barium | Cs | [Xe].6s | 2S<1/2> | 10.003826 | 0.000012 | L9224
56 | Barium | Xe | [Cd].5p6 | 1S0 | 35.8438 | 0.0025 | L3667
56 | Barium | I | [Cd].5p5 | 2P*<3/2> | [47.0] | 0.3 | L11023
56 | Barium | Te | [Cd].5p4 | 3P<2> | (58.0) | 1.9 | L8672c99
56 | Barium | Sb | [Cd].5p3 | 4S*<3/2> | (71.0) | 2.0 | L8672c99
56 | Barium | Sn | [Cd].5p2 | 3P0 | (86.0) | 2.0 | L8672c99
56 | Barium | In | [Cd].5p | 2P*<1/2> | (101.0) | 2.1 | L8672c99
56 | Barium | Cd | [Kr].4d10.5s2 | 1S0 | [130.5] | 0.6 | L6980
56 | Barium | Ag | [Kr].4d10.5s | 2S<1/2> | [146.52] | 0.12 | L5438
56 | Barium | Pd | [Kr].4d10 | 1S0 | (241.0) | 2.4 | L8672c99
56 | Barium | Rh | [Kr].4d9 | 2D<5/2> | (267.1) | 2.5 | L8672c99
56 | Barium | Ru | [Kr].4d8 | 3F<4> | (296) | 3 | L8672c99
56 | Barium | Tc | [Kr].4d7 | 4F<9/2> | (325) | 3 | L8672c99
56 | Barium | Mo | [Kr].4d6 | 5D<4> | (354) | 3 | L8672c99
56 | Barium | Nb | [Kr].4d5 | 6S<5/2> | (390) | 3 | L8672c99
56 | Barium | Zr | [Kr].4d4 | 5D0 | (422) | 3 | L8672c99
56 | Barium | Y | [Kr].4d3 | 4F<3/2> | (455) | 3 | L8672c99
56 | Barium | Sr | [Kr].4d2 | 3F<2> | (488) | 3 | L8672c99
56 | Barium | Rb | [Kr].4d | 2D<3/2> | (520) | 4 | L8672c99
56 | Barium | Kr | [Ar].3d10.4s2.4p6 | 1S0 | (646) | 4 | L8672c99
56 | Barium | Br | [Ar].3d10.4s2.4p5 | 2P*<3/2> | (679) | 4 | L8672c99
56 | Barium | Se | [Ar].3d10.4s2.4p4 | 3P<2> | (717) | 4 | L8672c99
56 | Barium | As | [Ar].3d10.4s2.4p3 | 4S*<3/2> | (752) | 4 | L8672c99
56 | Barium | Ge | [Ar].3d10.4s2.4p2 | 3P0 | (809) | 4 | L8672c99
56 | Barium | Ga | [Ar].3d10.4s2.4p | 2P*<1/2> | (846) | 4 | L8672c99
56 | Barium | Zn | [Ar].3d10.4s2 | 1S0 | (935) | 4 | L8672c99
56 | Barium | Cu | [Ar].3d10.4s | 2S<1/2> | [976.62] | 0.11 | L5473
56 | Barium | Ni | [Ar].3d10 | 1S0 | (1695) | 4 | L8672c99
56 | Barium | Co | [Ar].3d9 | 2D<5/2> | (1776) | 4 | L8672c99
56 | Barium | Fe | [Ar].3d8 | (0,4)<4> | (1864) | 4 | L8672c99
56 | Barium | Mn | [Ar].3d7 | 4F<9/2> | (1958) | 4 | L8672c99
56 | Barium | Cr | [Ar].3d6 | 5D<4> | (2047) | 4 | L8672c99
56 | Barium | V | [Ar].3d5 | 6S<5/2> | (2142) | 5 | L8672c99
56 | Barium | Ti | [Ar].3d4 | 5D0 | (2256) | 5 | L8672c99
56 | Barium | Sc | [Ar].3d3 | 4F<3/2> | (2349) | 5 | L8672c99
56 | Barium | Ca | [Ar].3d2 | 3F<2> | (2452) | 5 | L8672c99
56 | Barium | K | [Ar].3d | 2D<3/2> | (2547) | 4 | L8672c99
56 | Barium | Ar | [Ne].3s2.3p6 | 1S0 | (2814) | 4 | L8672c99
56 | Barium | Cl | [Ne].3s2.3p5 | 2P*<3/2> | (2901) | 4 | L8672c99
56 | Barium | S | [Ne].3s2.3p4 | 3P<2> | (2994) | 4 | L8672c99
56 | Barium | P | [Ne].3s2.3p3 | 4S*<3/2> | (3081) | 4 | L8672c99
56 | Barium | Si | [Ne].3s2.3p2 | 3P0 | (3266) | 4 | L8672c99
56 | Barium | Al | [Ne].3s2.3p | 2P*<1/2> | (3363) | 4 | L8672c99
56 | Barium | Mg | [Ne].3s2 | 1S0 | (3546) | 4 | L8672c99
56 | Barium | Na | [Ne].3s | 2S<1/2> | (3640) | 4 | L8672c99
56 | Barium | Ne | 1s2.2s2.2p6 | 1S0 | (8326) | 4 | L8672c99
56 | Barium | F | 1s2.2s2.2p5 | 2P*<3/2> | (8565) | 4 | L8672c99
56 | Barium | O | 1s2.2s2.2p4 | (0,2)<2> | (8831) | 4 | L8672c99
56 | Barium | N | 1s2.2s2.2p3 | (0,3/2)*<3/2> | (9077) | 4 | L8672c99
56 | Barium | C | 1s2.2s2.2p2 | 3P0 | (9739) | 4 | L8672c99
56 | Barium | B | 1s2.2s2.2p | 2P*<1/2> | (10023) | 4 | L8672c99
56 | Barium | Be | 1s2.2s2 | 1S0 | (10376) | 4 | L8672c99
56 | Barium | Li | 1s2.2s | 2S<1/2> | (10616.42) | 0.05 | L16264c99
56 | Barium | He | 1s2 | 1S0 | (43485.37) | 0.04 | L21139
56 | Barium | H | 1s | 2S<1/2> | (44561.633) | 0.024 | 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
[Cd] = 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6.4d10.5s2
[Xe] = 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6.4d10.5s2.5p6
If you did not find the data you need, please inform the ASD Team.
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