Hierarchical Assembly Involving Hydroxyethyl-substituted Imidazolium Cations and p-Sulfonatocalix[4]arenes

Irene Ling, Yatimah Alias, Brian Skelton, Colin Raston

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)


    A multiple-component bilayer involving four different ions has preferential binding of functionalized 3-(2-hydroxyethyl)-1-methylimidazolium in the cavity of bowl-shaped p-sulfonatocalix[4]arene, with the supermolecule being capped by a water molecule involving an O-H⋯π(imidazolium) interaction, an O⋯HO H-bond involving the hydroxyethyl group, and an SO⋯HO H-bond. The nature of the interplay of the components has been mapped out using Hirshfeld surface analysis. The [imidazolium ∩ calixarene] supermolecule persists in solution.

    Original languageEnglish
    Pages (from-to)1492-1496
    Number of pages5
    JournalAustralian Journal of Chemistry
    Issue number10
    Publication statusPublished - 2010


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