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Published October 28, 2008 | Published
Journal Article Open

A wave-mechanical treatment of the Mills-Nixon effect

Abstract

The Mills-Nixon effect has been examined by a very simple wave-mechanical treatment. This has led to the conclusion that the effect of saturated side rings upon the ratio of the coefficients of the wave-functions of the two Kekulé structures is relatively small, being not more than about 6 per cent., and that the benzene ring retains the greater part of its stabilising resonance energy. Nevertheless, making the reasonable assumption that the ratio of the activation energies, for reaction as either one of the two Kekulé structures, depends upon the square of the ratio of coefficients, it is possible to account for the experimental facts. The effect which bending two valencies has upon the angles between the other valencies projecting from the benzene ring is found to be very small.

Additional Information

© Royal Society of Chemistry 1935. Received 8th April, 1935. It may be pointed out, however, that although certain complications might be expected to arise in the previous considerations relating to the phenolic derivatives, there was no apparent indication of this happening. Contribution No. 444 from the Gates Chemical Laboratory, California Institute of Technology, Pasadena, California

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Created:
August 21, 2023
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