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E-Journal of Chemistry
Volume 7 (2010), Issue 1, Pages 308-310

Molecular Interaction Study of some ortho and para Substituted Anilines with 1-Octanol

M. S. Manjunatha and J. Sannappa

Department of Physics, Yuvaraja╩╝s College, University of Mysore, Mysore-570024, Karnataka, India

Received 27 May 2009; Accepted 20 July 2009

Copyright © 2010 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.


Interactions between ortho and para substituents of anilines such as chloroaniline, methylaniline and methoxyaniline with 1-octanol have been studied in carbon tetrachloride. The most likely association of complex between 1-octanol and substituents of anilines is 1:1 stoichiometric complex, through hydroxyl group of 1-octanol and amine group of ortho and para substituents of anilines. Interactions are studied on the bases of formation constant and free energy changes. Formation constant of the complex has been calculated using Nash method. The result shows that molecular interaction of 1-octanol as proton donor with methyl and chloride substitution of anilines in ortho position is smaller than the para position substitution of anilines. The results shows, the ability of acceptors is in the order p-methoxyaniline < o-chloroaniline<o-methylaniline<o-methoxyaniline <p-chloroaniline <p-methylaniline.