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Vol. 27 No. 9 (2015): Vol 27 Issue 9

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Application of Non-Linear Hammett Relationship to Surface Tensions and Dipole Moments in Estimating the Associative Behavior of Phenols: A Chemical Educational Article to Graduate Students

https://doi.org/10.14233/ajchem.2015.18583
R. Sanjeev
Department of Pharmacy, School of Health Science, University of KwaZulu-Natal, Durban, South Africa
V. Jagannadham
Department of Chemistry, Osmania University, Hyderabad-500 007, India
Adam A. Skelton
Department of Pharmacy, School of Health Science, University of KwaZulu-Natal, Durban, South Africa
R. Veda Vrath
Department of Chemistry, L.N. Gupta Evening College, Hyderabad-500 002, India

Corresponding Author(s) : V. Jagannadham

jagannadham1950@yahoo.com

Asian Journal of Chemistry, Vol. 27 No. 9 (2015): Vol 27 Issue 9

Abstract

Non-linear Hammett relationship was applied to surface tensions (g) and dipole moments (μ) of some meta and para substituted phenols. The non-linearity of log g versus Hammett s correlation was explained in terms of Eötvös constant, Ramsay-Shields equation, Trouton’s rule, order of association, sandwich type molecular pairs and number of hydrogen bond donor-acceptor sites (Had). And non-linearity of log μ versus Hammett s correlation was explained in terms of the net bulk property of the entire molecule and not based on a chemical property like a localized reaction center.

Keywords

Hammett equation Eötvös constant Ramsay-Shields equation Trouton’s rule Dipole moments Phenol
Sanjeev, R., Jagannadham, V., A. Skelton, A., & Veda Vrath, R. (2015). Application of Non-Linear Hammett Relationship to Surface Tensions and Dipole Moments in Estimating the Associative Behavior of Phenols: A Chemical Educational Article to Graduate Students. Asian Journal of Chemistry, 27(9), 3297–3302. https://doi.org/10.14233/ajchem.2015.18583
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