Issue 47, 2011
From the journal:

Chemical Communications

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

Muhammed Shah Miran,‡a   Hiroshi Kinoshita,a   Tomohiro Yasuda,a   Md. Abu Bin Hasan Susan‡a  and  Masayoshi Watanabe*a  

* Corresponding authors

a Department of Chemistry and Biotechnology, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
E-mail: mwatanab@ynu.ac.jp
Fax: +81 45 339 3955
Tel: +81 45 339 3928

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

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Article information

DOI
https://doi.org/10.1039/C1CC14817F
Article type
Communication
Submitted
04 Aug 2011
Accepted
18 Oct 2011
First published
31 Oct 2011

Chem. Commun., 2011,47, 12676-12678

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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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