Indium - 49In: properties of free atoms
Indium atoms have 49 electrons and the shell structure is 2.8.18.18.3.
The ground state electron configuration of ground state gaseous neutral indium is [Kr].4d10.5s2.5p1 and the term symbol is 2P1/2.
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Atomic spectrum
A representation of the atomic spectrum of indium.
Ionisation Energies and electron affinity
The electron affinity of indium is 28.9 kJ mol‑1. The ionisation energies of indium are given below.
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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 | 48.01 | ||||||
---|---|---|---|---|---|---|---|
2s | 36.12 | 2p | 44.90 | ||||
3s | 31.63 | 3p | 31.52 | 3d | 34.68 | ||
4s | 21.76 | 4p | 20.37 | 4d | 16.94 | 4f | (no data) |
5s | 9.51 | 5p | 8.47 | 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] |
---|---|---|
K | 1s | 27940 [1] |
L I | 2s | 4238 [1] |
L II | 2p1/2 | 3938 [1] |
L III | 2p3/2 | 3730 [1] |
M I | 3s | 827.2 [3] |
M II | 3p1/2 | 703.2 [3] |
M III | 3p3/2 | 665.3 [3] |
M IV | 3d3/2 | 451.4 [3] |
M V | 3d5/2 | 443.9 [3] |
N I | 4s | 122.9 [3] |
N II | 4p1/2 | 73.5 [3, one-particle approximation not valid owing to short core-hole lifetime] |
N III | 4p3/2 | 73.5 [3, one-particle approximation not valid owing to short core-hole lifetime] |
N IV | 4d3/2 | 17.7 [3] |
N V | 4d5/2 | 16.9 [3] |
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.