Staircase Inclusion Compounds Formed by Tetrahalodiquinoline Hosts

A. Noman, M. M. Rahman, Roger Bishop, Donald C. Craig, Christopher E. Marjo, Marcia L. Scudder

    Research output: Contribution to journalArticlepeer-review

    28 Scopus citations


    The tetrabromodiquinoline 2, and its tetraiodo counterpart 3, are members of the new tetrahalo aryl host family. They form lattice inclusion compounds when crystallized from many organic liquids, and the X-ray crystal structures of five such compounds are reported and analyzed in crystal engineering terms. Host molecules assemble into parallel staircases by means of aryl offset face-face and halogen-halogen interactions both within, and between, the staircases. The guests are situated in parallel interstitial channels. Variation of the type of included guest can result in significant changes to the construction and symmetry of the host staircase assemblies.

    Original languageBritish English
    Pages (from-to)421-426
    Number of pages6
    JournalCrystal Growth and Design
    Issue number5
    StatePublished - Sep 2002


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