Title

Designing ionic liquids with boron cluster anions: Alkylpyridinium and imidazolium [nido-C2B9H11] and [closo-CB 11H12] carborane salts

Document Type

Article

Publication Date

5-26-2008

Abstract

A range of new alkylpyridinium and imidazolium carborane salts with [nido-C2B9H12]-, [closo-CB 11H12]-, and [RC2B 11H11]- (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-C2B9H 12]- anions melted below 100 °C and, significantly, have melting points that are 25-85°C lower than those of the corresponding [closo-CB11H12]- analogs, demonstrating that a wider range of boron-rich ionic liquid materials can be readily accessed. © The Royal Society of Chemistry 2008.

Comments

Dymon, J., Wibby, R., Kleingardner, J., Tanski, J. M., Guzei, I. A., Holbrey, J. D., & Larsen, A. S. (2008). Designing ionic liquids with boron cluster anions: Alkylpyridinium and imidazolium [nido-C2B9H11] and [closo-CB11H12] carborane salts. Dalton Transactions, 22, 2999. https://doi.org/10.1039/b802374c

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