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The hydrogen bonding analysis of 1-methylimidazole–water mixtures studied by dielectric relaxation spectroscopy

Authors
Journal
Fluid Phase Equilibria
0378-3812
Publisher
Elsevier
Volume
375
Identifiers
DOI: 10.1016/j.fluid.2014.05.006
Keywords
  • Water–1-Methylimidazole Mixture
  • H-Bonds Dynamic
  • Cooperative Interactions

Abstract

Abstract The dielectric constant of 1-MeIm–water mixtures with entire mixture range has been determined in the frequency range 20MHz to 20GHz at 298K using the dielectric relaxation spectroscopy (DRS) method. Mixture dielectric behavior is well described by the Cole–Cole model. We estimated H-bonds effect for molecular interactions by the excess dielectric model. The type of dipolar orders by which depends on the extent of substitution and cooperative interaction of 1-MeIm–water cluster are also calculated by Luzar model and extended Froehlich theory. We get different aspect of the interaction of molecules, which can help us have a deeper understanding of relaxation acts.

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