NIST Atomic Spectra Database Ionization Energies Data
Fe (all spectra) |
Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2024). NIST Atomic Spectra Database (ver. 5.12), [Online]. Available: https://physics.nist.gov/asd [2024, November 12]. 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 |
---|---|---|---|---|---|---|---|
26 | Iron | Fe | [Ar]3d64s2 | 5D4 | 7.9024681 | 0.0000012 | L7743c109 |
26 | Iron | Mn | [Ar]3d64s | 6D9/2 | 16.19921 | 0.00005 | L18349 |
26 | Iron | Cr | [Ar]3d6 | 5D4 | 30.651 | 0.012 | L7185,L1171 |
26 | Iron | V | [Ar]3d5 | 6S5/2 | 54.91 | 0.04 | L17209 |
26 | Iron | Ti | [Ar]3d4 | 5D0 | [75.00] | 0.15 | L7185,L241 |
26 | Iron | Sc | [Ar]3d3 | 4F3/2 | 98.985 | 0.015 | L17209 |
26 | Iron | Ca | [Ar]3d2 | 3F2 | 124.9671 | 0.0025 | L22066,L5267 |
26 | Iron | K | [Ar]3d | 2D3/2 | 151.060 | 0.012 | L7185 |
26 | Iron | Ar | [Ne]3s23p6 | 1S0 | [233.6] | 0.4 | L7185 |
26 | Iron | Cl | [Ne]3s23p5 | 2P°3/2 | [262.10] | 0.12 | L7185 |
26 | Iron | S | [Ne]3s23p4 | 3P2 | [290.9] | 0.4 | L11770 |
26 | Iron | P | [Ne]3s23p3 | 4S°3/2 | [330.8] | 0.6 | L11770 |
26 | Iron | Si | [Ne]3s23p2 | 3P0 | [361.0] | 0.7 | L7185 |
26 | Iron | Al | [Ne]3s23p | 2P°1/2 | [392.2] | 0.7 | L7185 |
26 | Iron | Mg | [Ne]3s2 | 1S0 | 456.2 | 0.5 | L17943 |
26 | Iron | Na | [Ne]3s | 2S1/2 | [489.312] | 0.014 | L11770 |
26 | Iron | Ne | 1s22s22p6 | 1S0 | [1 262.7] | 0.7 | L11770 |
26 | Iron | F | 1s22s22p5 | 2P°3/2 | [1 357.8] | 1.9 | L11770 |
26 | Iron | O | 1s22s22p4 | 3P2 | [1 460] | 3 | L11770 |
26 | Iron | N | 1s22s22p3 | 4S°3/2 | 1 575.6 | 0.5 | L7185 |
26 | Iron | C | 1s22s22p2 | 3P0 | [1 687.0] | 1.0 | L11770 |
26 | Iron | B | 1s22s22p | 2P°1/2 | [1 798.4] | 0.8 | L11770 |
26 | Iron | Be | 1s22s2 | 1S0 | [1 950.4] | 1.8 | L11770 |
26 | Iron | Li | 1s22s | 2S1/2 | (2 045.759) | 0.007 | L16264c99 |
26 | Iron | He | 1s2 | 1S0 | (8 828.1864) | 0.0012 | L21139 |
26 | Iron | H | 1s | 2S1/2 | (9 277.6886) | 0.0003 | L19200 |
If you did not find the data you need, please inform the ASD Team.