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![ABSTRACT ISOTOPIC exchange by electron transfer between complex ions containing an element in different oxidation states has been demonstrated for quite a number of elements. In some instances, such as: the exchange is so rapid as to seem instantaneous1. Systems containing an element in two oxidation states sometimes exhibit abnormally deep and intense colorations. For example, crystals of (NH4)2SbCl6, which are believed to contain the complex ions [SbCl6]3− and [SbCl6]−, are jet black2. The coloration of both solid (NH4)2SbCl6 and its solutions is so much more intense than that produced by the component complex ions separately that it is described as arising from interaction absorption. SIMILAR CONTENT BEING VIEWED BY OTHERS THE SOLVATION SHELL PROBED BY RESONANT INTERMOLECULAR COULOMBIC DECAY Article Open access 13 August 2024 ALKALI METAL REDUCTION OF ALKALI METAL CATIONS Article Open access 09 December 2023 THERMOCHEMICAL ELECTRONEGATIVITIES OF THE ELEMENTS Article Open access 07 April 2021 ARTICLE PDF REFERENCES * Thompson, _J. Amer. Chem. Soc._, 70, 1045 (1948). Article CAS Google Scholar * Elliott, N., _J. Chem. Phys._, 2, 298 (1934). Article ADS CAS Google Scholar * Whitney, J., Browne, C. I., McConnell, H., and Davidson, N., Brook-haven Conference Report, Chemistry No. 2, p. 196 (1948). * Prestwood, R. J., and Wahl, A. C., _J. Amer. Chem. Soc._, 71, 3137 (1949). Article CAS Google Scholar * Bonner, N. A., _J. Amer. Chem. Soc._, 71, 3909 (1949). Article CAS Google Scholar * Pauling, L., _Chem. Eng. News_, 25, 2970 (1947). Article CAS Google Scholar Download references AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Department of Chemistry, University of Sydney, F. P. DWYER, E. C. GYARFAS & D. P. MELLOR Authors * F. P. DWYER View author publications You can also search for this author inPubMed Google Scholar * E. C. GYARFAS View author publications You can also search for this author inPubMed Google Scholar * D. P. MELLOR View author publications You can also search for this author inPubMed Google Scholar RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE DWYER, F., GYARFAS, E. & MELLOR, D. Instantaneous Electron Transfer and Interaction Absorption. _Nature_ 166, 746 (1950). https://doi.org/10.1038/166746a0 Download citation * Issue Date: 28 October 1950 * DOI: https://doi.org/10.1038/166746a0 SHARE THIS ARTICLE Anyone you share the following link with will be able to read this content: Get shareable link Sorry, a shareable link is not currently available for this article. Copy to clipboard Provided by the Springer Nature SharedIt content-sharing initiative](http://media.springernature.com/lw325/springer-static/image/art%3A10.1038%2F166746a0/MediaObjects/41586_1950_Article_BF166746a0_IEq1_HTML.gif)
ABSTRACT ISOTOPIC exchange by electron transfer between complex ions containing an element in different oxidation states has been demonstrated for quite a number of elements. In some
instances, such as: the exchange is so rapid as to seem instantaneous1. Systems containing an element in two oxidation states sometimes exhibit abnormally deep and intense colorations. For
example, crystals of (NH4)2SbCl6, which are believed to contain the complex ions [SbCl6]3− and [SbCl6]−, are jet black2. The coloration of both solid (NH4)2SbCl6 and its solutions is so much
more intense than that produced by the component complex ions separately that it is described as arising from interaction absorption. SIMILAR CONTENT BEING VIEWED BY OTHERS THE SOLVATION
SHELL PROBED BY RESONANT INTERMOLECULAR COULOMBIC DECAY Article Open access 13 August 2024 ALKALI METAL REDUCTION OF ALKALI METAL CATIONS Article Open access 09 December 2023 THERMOCHEMICAL
ELECTRONEGATIVITIES OF THE ELEMENTS Article Open access 07 April 2021 ARTICLE PDF REFERENCES * Thompson, _J. Amer. Chem. Soc._, 70, 1045 (1948). Article CAS Google Scholar * Elliott, N.,
_J. Chem. Phys._, 2, 298 (1934). Article ADS CAS Google Scholar * Whitney, J., Browne, C. I., McConnell, H., and Davidson, N., Brook-haven Conference Report, Chemistry No. 2, p. 196
(1948). * Prestwood, R. J., and Wahl, A. C., _J. Amer. Chem. Soc._, 71, 3137 (1949). Article CAS Google Scholar * Bonner, N. A., _J. Amer. Chem. Soc._, 71, 3909 (1949). Article CAS
Google Scholar * Pauling, L., _Chem. Eng. News_, 25, 2970 (1947). Article CAS Google Scholar Download references AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Department of Chemistry,
University of Sydney, F. P. DWYER, E. C. GYARFAS & D. P. MELLOR Authors * F. P. DWYER View author publications You can also search for this author inPubMed Google Scholar * E. C. GYARFAS
View author publications You can also search for this author inPubMed Google Scholar * D. P. MELLOR View author publications You can also search for this author inPubMed Google Scholar
RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE DWYER, F., GYARFAS, E. & MELLOR, D. Instantaneous Electron Transfer and Interaction Absorption.
_Nature_ 166, 746 (1950). https://doi.org/10.1038/166746a0 Download citation * Issue Date: 28 October 1950 * DOI: https://doi.org/10.1038/166746a0 SHARE THIS ARTICLE Anyone you share the
following link with will be able to read this content: Get shareable link Sorry, a shareable link is not currently available for this article. Copy to clipboard Provided by the Springer
Nature SharedIt content-sharing initiative