Magneto-optical rotation studies of liquid mixtures. Part 5.—Binary mixtures of water with dimethylsulphoxide, formamide, methyl formamide, dimethyl formamide and acetonitrile
- 1 January 1982
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 78 (4) , 1127-1130
- https://doi.org/10.1039/f19827801127
Abstract
Measurements have been made of the magneto-optical rotations at 435.8 nm of binary liquid mixtures of water with dimethylsulphoxide, formamide, methyl formamide, dimethyl formamide and acetonitrile as part of a study to investigate the applicability of the magneto-optical method in detecting weak molecular interactions in liquid mixtures. The departure from ideality of the mixtures was treated in terms of an excess magnetic rotation, αE. For mixtures of water with dimethylsulphoxide, formamide, methyl formamide and dimethyl formamide the values of αE indicated interaction between the components, whereas with acetonitrile the αE values were compatible with a breakdown of the water structure in the mixtures.Keywords
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