AN INFRARED STUDY OF THE COMPLEXING OF KETONES WITH CHLOROFORM AND p-CRESOL
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Publisher:Ohio State University
The carbonyl bands of acetone and cyclohexanone were studied in chloroform-cyclohexane and p-cresol-cyclohexane solvent mixtures covering a broad range of composition. The results indicate that both chloroform and p-cresol form at least two distinct molecular complexes with each of the ketones. Equilibrium constants for the formation of the 1:1 complexes were obtained and used to calculate the spectra which would be observed if there were no interference from higher complexes. The results emphasize the difficulties and pitfalls involved in the interpretation of solvent-induced frequency shift observed with single-component solvent systems.
Author Institution: U. S. Naval Research Laboratory
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