Molecular Interaction Studies of H-Bonded Complexes of Benzamide in 1,4-Dioxan with Alcohols From Acoustic and Thermodynamic Parameters

Abstract

Abstract:The ultrasonic velocity, density and viscosity measurements were carried out for the mixtures of benzamide with Propan-2-ol, butan-1-ol, 1-pentanol and n-hexanal in 1,4-dioxan at 303, 308 and 313K. The derived acoustic and thermodynamic parameters namely adiabatic compressibility, free length, free volume, internal pressure, viscous relaxation time and Gibbs free energy were evaluated with a view to investigate the nature of molecular interaction.The obtained results support the occurance of complex formation through intermolecular hydrogen bonding in these ternary liquid mixtures.

Intermolecular Interaction Studies in Binary Mixture of Methyl formate with Methanol at Various Temperatures

“…The increasing trend of free volume indicates the carbonyl group of methyl formate and hydroxyl group present in the methanol can mutually form dipoles and this dipolar interaction also supports the existence of more space between the components. The intermolecular free length supports the same trend 17 . Obviously reverse trend is obtained in the internal pressure as listed in Table-2.…”

Dielectric Studies of the Ternary Mixtures of Amines With Decanol in Carbon Tetrachloride Systems

“…Hence it may be concluded that only polarization interaction is the other important contributing factor to the enhancement of dipole moment of the complexes studied here. The excess dipole moments for all the systems studied are found to be small, which is in agreement with the values reported by many authors [11][12][13][14][15] for the mixtures of decanol with amines. The plot of (C A /C B ) with Ω B is straight line which indicates that the formation of a 1:1 complex.…”

Intermolecular interactions in mixtures of ethyl formate with methanol, ethanol, and 1-propanol on density, viscosity, and ultrasonic data

“…The reverse trend has been observed in the acoustic imped ance. Increasing values of acoustic impedance with ethyl formate concentration suggest the molecular dissociation take place in the liquid system [18]. In all the three systems, the relaxation time increased with carbon chain length of alcohols.…”