Title

Designing ionic liquids with boron cluster anions: Alkylpyridinium and imidazolium [nido-C2B9H11] and [closo-CB11H12] carborane salts

Document Type

Article

Publication Date

5-2-2008

Abstract

A range of new alkylpyridinium and imidazolium carborane salts with [nido-C B H ] , [closo-CB H ] , and [RC B H ] (R = methyl or butyl) anions have been prepared and characterized by physical and thermal methods, including the solid state structures of five of the salts determined by single crystal X-ray diffraction. The tendency of the salts to form low-melting ionic liquids has been assessed; all the salts studied with [nido-C B H ] anions melted below 100 °C and, significantly, have melting points that are 25–85 °C lower than those of the corresponding [closo-CB H ] analogs, demonstrating that a wider range of boron-rich ionic liquid materials can be readily accessed. © 2008 The Royal Society of Chemistry. 2 9 12 11 12 2 11 11 2 9 12 11 12 − − − − −

Publication Name

Journal of the Chemical Society. Dalton Transactions

First Page

2999

Last Page

3006

Issue Number

22

DOI

10.1039/b802374c

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