Ununtrium: properties of free atoms
Ununtrium atoms have 113 electrons and the shell structure is 2.8.18.32.32.18.3.
The ground state electron configuration of ground state gaseous neutral ununtrium is [Rn].5f14.6d10.7s2.7p1 (a guess based upon that of thallium) and the term symbol is 2P1/2 (a guess based upon guessed electronic structure).
Atomic spectrum
A representation of the atomic spectrum of ununtrium.
Electronic configuration of neutral atomic ununtrium
The electronic configuration of ununtrium.
The Kossel shell structure of ununtrium.
Ionisation Energies and electron affinity
The electron affinity of ununtrium is (no data) kJ mol‑1. The ionisation energies of ununtrium are given below.
| Ionisation energy number | Enthalpy / kJ mol‑1 |
|---|
Effective Nuclear Charges
The following are "Clementi-Raimondi" effective nuclear charges, Zeff. Follow the hyperlinks for more details and for graphs in various formats.
| 1s | (no data) | ||||||
|---|---|---|---|---|---|---|---|
| 2s | (no data) | 2p | (no data) | ||||
| 3s | (no data) | 3p | (no data) | 3d | (no data) | ||
| 4s | (no data) | 4p | (no data) | 4d | (no data) | 4f | (no data) |
| 5s | (no data) | 5p | (no data) | 5d | (no data) | ||
| 6s | (no data) | 6p | (no data) | ||||
| 7s |
References
These effective nuclear charges, Zeff, are adapted from the following references:
- E. Clementi and D.L.Raimondi, J. Chem. Phys. 1963, 38, 2686.
- E. Clementi, D.L.Raimondi, and W.P. Reinhardt, J. Chem. Phys. 1967, 47, 1300.
Electron binding energies
| Label | Orbital | eV [literature reference] |
|---|
Notes
I am grateful to Gwyn Williams (Jefferson Laboratory, Virginia, USA) who provided the electron binding energy data. The data are adapted from references 1-3. They are tabulated elsewhere on the WWW (reference 4) and in paper form (reference 5).
References
- J. A. Bearden and A. F. Burr, "Reevaluation of X-Ray Atomic Energy Levels," Rev. Mod. Phys., 1967, 39, 125.
- M. Cardona and L. Ley, Eds., Photoemission in Solids I: General Principles (Springer-Verlag, Berlin) with additional corrections, 1978.
- Gwyn Williams WWW table of values
- D.R. Lide, (Ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 81st edition, 2000.
- J. C. Fuggle and N. Mårtensson, "Core-Level Binding Energies in Metals," J. Electron Spectrosc. Relat. Phenom., 1980, 21, 275.
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