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Issue 47, 2011

Hydrogen bonds in protic ionic liquids and their correlation with physicochemical properties

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Abstract

The temperature dependence of the N–H proton chemical shift in protic ionic liquids (PILs) and FT-IR spectra of the N–H bonds indicated the presence of strong hydrogen bonds between the protonated cation and the anion, depending on the ΔpKa of the constituent acid and base, and their successive breaking with temperature, which may explain the characteristic properties of PILs such as relatively low ionicity and its decrease with temperature.

Graphical abstract: Hydrogen bonds in protic ionic liquids and their correlation with physicochemical properties

Supplementary files

Article information


Submitted
04 Aug 2011
Accepted
18 Oct 2011
First published
31 Oct 2011

Chem. Commun., 2011,47, 12676-12678
Article type
Communication

Hydrogen bonds in protic ionic liquids and their correlation with physicochemical properties

M. S. Miran, H. Kinoshita, T. Yasuda, Md. A. B. H. Susan and M. Watanabe, Chem. Commun., 2011, 47, 12676 DOI: 10.1039/C1CC14817F

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