Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Infrared Spectra and Rotational Isomerism of Some Long-chain n-Alkoxy Ethanols
T. K. K. SrinivasanC. I. JoseA. B. Biswas
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1964 Volume 37 Issue 12 Pages 1770-1775


The infrared spectra of n-alkoxy ethanols CH3(CH2)nO-CH2-CH2-OH with n=13,15,17,19 and 21 have been obtained in the solid and liquid states as well as in solution. From a study of the CH2 rocking modes of the (O–CH2-CH2-O) group at 893 cm−1 and 864 cm−1 during liquid-solid transformation and from the solution spectra in the hydroxyl-stretching region, it has been shown that this group exists predominantly in a gauche configuration in liquids or in solution, while both gauche and trans configurations are present in the solid state.

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