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Issue 9, 2008
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New aspects on the hydrogen bond donor (HBD) strength of 1-butyl-3-methylimidazolium room temperature ionic liquids†

Ralf Lungwitz,a   Manfred Friedrich,b   Wolfgang Linertc  and  Stefan Spange*a  
Author affiliations

* Corresponding authors

a Department of Polymer Chemistry, Chemnitz University of Technology, Strasse der Nationen 62, Chemnitz, Germany
E-mail: stefan.spange@chemie.tu-chemnitz.de
Fax: +49 (0) 371 531 21239
Tel: +49 (0) 371 531 21230

b Institute for Inorganic and Analytical Chemistry, Friedrich-Schiller-University Jena, August-Bebel-Strasse 2, Jena, Germany

c Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9/163/AC, Wien, Austria

Abstract

Improved hydrogen bond donor (HBD) strength parameters of 1-butyl-3-methylimidazolium room temperature ionic liquids (RTILs), acceptor number (AN) of Gutmann and α of Kamlet–Taft, have been determined using [Fe(phen)2(CN)2]ClO4 as an original solvatochromic probe. Each of the parameters shows an excellent correlation with the independently determined HBA strength β (Kamlet–Taft) of the anion which demonstrates that empirical polarity parameters of RTILs can be utilized independently of each other.

Graphical abstract: New aspects on the hydrogen bond donor (HBD) strength of 1-butyl-3-methylimidazolium room temperature ionic liquids

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Publication details

The article was received on 08 Apr 2008, accepted on 16 May 2008 and first published on 17 Jul 2008


Article type: Paper
DOI: 10.1039/B805932B
New J. Chem., 2008,32, 1493-1499

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    New aspects on the hydrogen bond donor (HBD) strength of 1-butyl-3-methylimidazolium room temperature ionic liquids

    R. Lungwitz, M. Friedrich, W. Linert and S. Spange, New J. Chem., 2008, 32, 1493
    DOI: 10.1039/B805932B

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