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E-Journal of Chemistry
Volume 6 (2009), S1, Pages S143-S146

Studies of Hydrogen Bonding Between N, N-Dimethylacetamide and Primary Alcohols

M. S. Manjunath,1 P. Sivagurunathan,2 and J. Sannappa1

1Department of Physics, Yuvaraja's College, University of Mysore, Mysore, Karnataka, India
2Department of physics, Annamalai University, Annamalai Nagar, Tamilnadu-608002, India

Received 24 March 2009; Accepted 20 May 2009

Copyright © 2009 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Hydrogen bonding between N, N-dimethylacetamide (DMA) and alcohols has been studied in carbon tetrachloride solution by an X-band Microwave bench at 936GHz. The dielectric relaxation time (τ) of the binary system are obtained by both Higasi's method and Gopalakrishna method. The most likely association complex between alcohol and DMA is 1:1 stoichiometric complex through the hydroxyl group of the alcohol and the carbonyl group of amide. The results show that the interaction between alcohols and amides is 1:1 complex through the free hydroxyl group of the alcohol and the carbonyl group of amide and the alkyl chain-length of both the alcohols and amide plays an important role in the determination of the strength of hydrogen bond (O-H: C=O) formed and suggests that the proton donating ability of alcohols is in the order: 1-propanol < 1-butanol < 1-pentanol and the accepting ability of DMA.