Measurement and Modeling of Phase Equilibrium, Volumetric Properties and Molar Refractivity of 2-Methylpropan-2-ol + Ethane-1,2-diol

Aniya, Vineet; Kumari, Aruna; Reddy, R. Sudarshan

doi:10.1007/s10953-017-0638-3

Cited by 4 publications

(1 citation statement)

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“…This mole fraction deviation in (Δ R ) represents the electronic perturbation due to orbital mixing of the components of the mixtures. Therefore (Δ R ) can be used as a measure of strength of the interaction between the components of the mixtures and is strongly dependent on composition and temperature [28,29]. Negative values of (Δ R ) indicate greater dispersive forces in the mixtures than pure components [30].…”

Section: The Kirkwood Factor (G Eff )mentioning

confidence: 99%

Molecular interaction studies on thermophysical and excess properties of formamide with n-propanol

Navarkhele

Ambewadikar

Jadhav

et al. 2022

Preprint

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Static dielectric constants at (293.15, 298.15, 303.15 K), densities and refractive indices at (293.15 K) of binary mixtures of formamide with n-propanol have been measured over the entire range of mole fractions. The variation in measured parameters with respect to temperature and composition are discussed in detail. Excess dielectric constants, Kirkwood and Bruggeman factors were estimated from experimental dielectric data to confirm molecular structure, orientation of electric dipoles, intermolecular interaction and hydrogen bonding in the binary mixtures. Excess molar volume VE, deviation in molar refraction ΔR, related thermophysical parameters, excess properties have also been estimated and analyzed. The nonlinear variation in dielectric constants, deviation in linear relation in Bruggeman factor, negative VE and ΔR suggest the presence of molecular interaction and formation of hydrogen bonds between formamide and n-propanol molecules.

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Section: The Kirkwood Factor (G Eff )mentioning

confidence: 99%