Infrared data have been recorded of the hydroxyl stretching band for about 70 monohydric saturated alcohols in dilute carbon tetrachloride solution. The wavenumber maximum, the half-bandwidth and the band pattern could be related to the structure of the molecules. Not only primary, secondary and tertiary alcohols can be distinguished but also β-branched and cyclic ones. Four effects seem to be connected with the OH stretching band; viz. substitution and fixation both lowering the frequency, and rotation and shielding both enhancing it. For identification purposes a table correlating structure, wavenumber and half-bandwidth is presented. © 1974.
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