EFFECT OF SUBSTITUENTS ON THE NEAR UV SPECTRUM OF BENZENE

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1956

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Ohio State University

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The changes in intensity and excitation energy of the lowest singly excited states of benzene accompanying the replacement of one or more hydrogen atoms on the ring by other groups are considered in the light of theoretical results based on approximate M O theory. Simple formulas are given for relating the frequency shift and intensity increment of the 2600 A band (in benzene) to two parameters characteristic of each different substituent. The formulas are shown to hold for a wide variety of substituent groups. Suitable values for the parameters are obtained from the observed spectra of the corresponding monosubstituted derivatives.

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$^{*}$Holder of a Shell Oil Fellowship in the Department of Chemistry, University of Chicago, September, 1955 - June, 1956.
Author Institution: Laboratory of Molecular Structure and Spectra, University of Chicago

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http://hdl.handle.net/1811/7489

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Abstracts of OSU International Symposium on Molecular Spectroscopy 1946-1959