Volumetric, Acoustical and Computational Study on Molecular Interactions in Binary Mixtures of Ricinoleic Acid with Some Halobenzenes
Densities (ρ) and speed of sound (u) of binary liquid mixtures of Ricinoleic acid with some halobenzenes at 303.15, 308.15 and 313.15 K and atmospheric pressure are reported over the entire composition range. From the experimentally measured density, ; excess molar volumes, , are calculated. Deviation of the speeds of sound , isentropic compressibility , deviation in isentropic compressibility, , deviation in acoustic impedance, , and intermolecular free length have been calculated using experimentally measured speed of sound, . Various theoretical speeds of sound and average deviations were calculated using well established equations like Nomoto, Ideal Mixing Rule, Junji, and Jacobson’s Free Length Theory, . To derive fitting coefficients, with standard deviation, , excess properties were fitted with the Redlich-Kister type polynomial equation. The variation of these properties with composition and temperature was discussed in terms of molecular interaction on mixing and their interacting abilities. Observations reveal that there are strong interactions between components. Strength of interactions between components is described with theoretical computational calculations.
Density; Speed of sound; Excess molar volume; Isentropic compressibility; Computational calculation; NBO analysis
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