Supramolecular architectures of symmetrical dicationic ionic liquid based systems

Haregewine Tadesse, Alexander J. Blake, Neil R. Champness, John E. Warren, Pierre J. Rizkallah, Peter Licence

Research output: Contribution to journalArticlepeer-review


Here we report the crystal structures of dicationic ionic liquids (ILs) with both modified cation and anion moieties and discuss the influence of the "supramolecular ionic liquid architecture" that these subtle changes incur. The four dicationic ILs, 1,8-bis(1-methylimidazolium-3-yl)octane bromide (1), 1,8-bis(1,2-dimethylimidazolium-3-yl)octane bromide (2), 1,8-bis(1,2-dimethylimidazolium-3-yl)octane tetrafluoroborate (3) and 1,12-bis(1-methylimidazolium-3-yl)dodecane bromide (4) were prepared using established literature methods. Single crystals of the materials were grown (as solvates for 1·2H 2O and 4·1.2(C 7H 8)) and the solid-state structural arrangements determined by single crystal X-ray diffraction. © 2012 The Royal Society of Chemistry.
Original languageEnglish
Pages (from-to)4886-4893
Number of pages7
Issue number15
Publication statusPublished - 7 Aug 2012
Externally publishedYes


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