MOLECULAR INTERACTION ANALYSIS OF POLAR LIQUIDS ACETONITRILE, ACEOPHENONE, 2-PROPANOL IN NON-POLAR BENZENE SOLVENT TREATED WITH MICROWAVE FREQUENCY

D.K. Gupta, Uthayakumar.B, G.Meenakshi

Abstract: The study of dielectric liquid behaviour under different exposure is one of the most fascinating frontiers in solid state physics. It has undoubtedly render considerable service to every physicist doing research in this field. The increasing desire to understand the molecular interactions have led to conduct the present study, which deals with a certain group of polar compounds such as (i) Acetonitrile (AN), (ii) Acetophenone (AP) and (iii) 2-Propanol (2-P) with a non-polar compound benzene. The dielectric behaviour of individual compound, binary mixtures and their ratios have been studied at microwave frequency of 21.68GHz in non-polar solvent (benzene) at constant temperature 300K. Different dielectric parameters like dielectric constant e’ and dielectric loss e” at microwave frequency, static dielectric constant es at 1 KHz frequency, dielectric constant e8 at optical frequency have been determined. Using these dielectric data, dipole moment µ, various relaxation time viz (i) molecular relaxation time t(1) (ii) overall relaxation time of a molecule t(2) and (iii) average relaxation time t(?) , distribution parameter (a) of individual compound, binary mixtures and their ratios in dilute solutions of benzene also have been determined experimentally. Weight fraction method is used for changing the concentration of solute in solvent. The observed results are discussed on the basis of various types if relaxation processes, which change with the size, shape and type of interaction.

Keywords: Molecular Iteraction, Relaxation Time and Dielectric Constant

DOI: https://doi.org/10.15623/ijret.2014.0301044