Author:
Fox John Jacob,Martin A. E.
Abstract
It has been realized by several investigators that with some exceptions compounds containing the hydroxyl group have a sharp absorption band close to 2.75
μ
, and frequently another much wider band about 3
μ
. Erreta and Mollet (1936, 1937) and Erreta (1937) have shown that the latter is an "association" band which diminishes on dilution in a non-polar solvent, or by raising the temperature, when the association complexes split up and the hydroxyl band at 2.75
μ
becomes more pronounced. (Compare also Barchewitz (1937) and Freymann (1937). In the present investigations of the infra-red absorption spectra of certain hydroxyl compounds in the 3
μ
region we have made observation of the effect of the structure of the molecule on both the above-mentioned bands, as well as on the CH vibration bands. The OH bands in the region about 1.4-1.6
μ
have been investigated by Wulf and his co-workers (1935, 1936) for the most part with solutions of about 0.01 mol./l/ in which the association band had practically disappeared.
Reference14 articles.
1. C.R. Acad. S ci;Barchewitz P.;Paris,1937
2. Bernal J. D. 1937 Trans. Faraday Soc. 33 142 and 210.
3. J*;Buswell A. M.;Chem. Phys.,1937
4. Trans;Errera J.;Faraday Soc.,1937
5. Nature;Errera J.;Lond.,1936
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