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  • 🇬🇧 Unbibium
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  • 🇮🇹 Unbibio
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  • 🇸🇪 Unbibium
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Unbibium: properties of free atoms

Unbibium atoms have 122 electrons and the shell structure is  2.8.18.32.34.18.8.2.

The ground state electron configuration of ground state gaseous neutral unbibium is  [Og].8s2.5g2 (a guess) and the term symbol is (no data).

Kossel shell structure of unbibium
Schematic electronic configuration of unbibium.
Kossel shell structure of unbibium
The Kossel shell structure of unbibium.

Atomic spectrum

 

A representation of the atomic spectrum of unbibium.

Ionisation Energies and electron affinity

The electron affinity of unbibium is (no data) kJ mol‑1. The ionisation energies of unbibium are given below.

Ionisation energies of unbibium
Ionisation energy number Enthalpy / kJ mol‑1
Ionisation energies of unbibium
Ionisation energies of unbibium.

Effective Nuclear Charges

The following are "Clementi-Raimondi" effective nuclear charges, Zeff. Follow the hyperlinks for more details and for graphs in various formats.

Effective nuclear charges for unbibium
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:

  1. E. Clementi and D.L.Raimondi, J. Chem. Phys. 1963, 38, 2686.
  2. E. Clementi, D.L.Raimondi, and W.P. Reinhardt, J. Chem. Phys. 1967, 47, 1300.

Electron binding energies

Electron binding energies for unbibium. All values of electron binding energies are given in eV. The binding energies are quoted relative to the vacuum level for rare gases and H2, N2, O2, F2, and Cl2 molecules; relative to the Fermi level for metals; and relative to the top of the valence band for semiconductors.
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

  1. J. A. Bearden and A. F. Burr, "Reevaluation of X-Ray Atomic Energy Levels," Rev. Mod. Phys., 1967, 39, 125.
  2. M. Cardona and L. Ley, Eds., Photoemission in Solids I: General Principles (Springer-Verlag, Berlin) with additional corrections, 1978.
  3. Gwyn Williams WWW table of values
  4. D.R. Lide, (Ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 81st edition, 2000.
  5. J. C. Fuggle and N. Mårtensson, "Core-Level Binding Energies in Metals," J. Electron Spectrosc. Relat. Phenom., 1980, 21, 275.