Iodine Electron Configuration Short Form

Iodine: backdrop of free atoms

Iodine atoms have 53 electrons and the shell structure is ii.viii.18.18.seven.

The ground state electron configuration of ground country gaseous neutral iodine is [Kr].4d ¹⁰.5s ⁱⁱ.5p ^v and the term symbol is ² P _iii/2.

Diminutive spectrum

A representation of the atomic spectrum of iodine.

Ionisation Energies and electron affinity

The electron affinity of iodine is 295.2 kJ mol^‑1. The ionisation energies of iodine are given below.

Ionisation energies of iodine

Ionisation energies of iodine.

Effective Nuclear Charges

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

Constructive nuclear charges for iodine
1s	51.94
2s	39.07	2p	48.85
3s	34.79	3p	34.84	3d	38.ninety
4s	25.thirty	4p	24.03	4d	xx.93	4f	(no data)
5s	13.40	5p	11.61	5d	(no information)
6s	(no data)	6p	(no data)
7s

References

These effective nuclear charges, Z _eff, are adapted from the following references:

Due east. Clementi and D.50.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

Electron binding energies for iodine. 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, N_two, O₂, F₂, and Cl₂ molecules; relative to the Fermi level for metals; and relative to the superlative of the valence band for semiconductors.
Label	Orbital	eV [literature reference]
K	1s	33169 [i]
L _I	2s	5188 [ane]
L _Ii	2p_1/2	4852 [1]
L _Iii	2p_three/ii	4557 [ane]
M _I	3s	1072 [2]
G _II	3p_1/2	931 [2]
M _III	3p_iii/2	875 [ii]
Thou ₄	3d_3/2	630.eight [1]
M _V	3d_v/ii	619.3 [one]
N _I	4s	186 [2]
Northward _II	4p_ane/2	123 [2]
Due north _Three	4p_3/two	123 [2]
N _IV	4d_3/2	l.six [one]
N _V	4d_v/2	48.ix [1]

Notes

I am grateful to Gwyn Williams (Jefferson Laboratory, Virginia, USA) who provided the electron binding energy data. The data are adapted from references ane-iii. They are tabulated elsewhere on the WWW (reference four) 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, U.s.a., 81st edition, 2000.
J. C. Fuggle and Due north. Mårtensson, "Cadre-Level Binding Energies in Metals," J. Electron Spectrosc. Relat. Phenom., 1980, 21, 275.