Abstract
Dielectric studies of propionitrile (PPN) and butyronitrile (BTN) with 1,4-dioxane (DX) have been obtained at 25 °C temperature in the frequency range from 10 MHz to 30 GHz using the time-domain reflectometry method. The frequency-dependent complex permittivity spectra (CPS) of PPN and BTN with DX mixtures were fitted to the Harvilik-Nigami equation. The least squares fit method was used to determine the dielectric parameters of binary mixtures. The interaction of nitriles (PPN and BTN) with non-polar dioxane solvents through dipole–dipole and heteromolecular hydrogen bonding has been discussed using excess dielectric properties, thermodynamic parameters, Kirkwood correlation factor, and Bruggeman factor. These studies provide information on the intermolecular and intramolecular interactions between solutes and solvent molecules.
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Acknowledgements
We acknowledge the financial support given by the School of Physical Sciences at S. R. T. M. U. Nanded, Maharashtra and DST, New Delhi (Project Number DST PROJECT SB/S2/LOP-032/2013) for the use of the instrumental facility. Author DGD is thankful to Dr. Babasaheb Ambedkar Research and Training Institute (BARTI), Pune, Maharashtra, for financial assistance in the form of a fellowship.
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Dongre, D.G., Garad, N.P. & Kumbharkhane, A.C. Dielectric Study of Nitriles Using Time-Domain Reflectometry. Braz J Phys 54, 62 (2024). https://doi.org/10.1007/s13538-024-01428-8
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DOI: https://doi.org/10.1007/s13538-024-01428-8