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    Cluster Control in Oligouranyl Complexes of p-t-Butylcalix[8]arene

    147601_25169_Cluster Control in Oligouranyl Complexes of p-t-Butylcalix8arene.pdf (587.0Kb)
    Access Status
    Open access
    Authors
    Harrowfield, J.
    Ogden, Mark
    Skelton, B.
    White, A.
    Date
    2010
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Harrowfield, Jack and Ogden, Mark and Skelton, Brian and White, Allan. 2010. Cluster Control in Oligouranyl Complexes of p-t-Butylcalix[8]arene. Dalton Transactions. 39: pp. 8313-8318.
    Source Title
    Dalton Transactions
    DOI
    10.1039/c0dt00667j
    ISSN
    14779226
    Faculty
    Nanochemistry Research Institute (NRI)
    Faculty of Science and Engineering
    School
    Nanochemistry Research Institute (Research Institute)
    URI
    http://hdl.handle.net/20.500.11937/29459
    Collection
    • Curtin Research Publications
    Abstract

    Formation of uranyl ion complexes of p-t-butylcalix[8]arene by reaction of the calixarene with [UO2(dmso)5]2+ in the presence of various bases leads to the crystallisation of solids with interestingly different stoichiometry, involving both di- and tri-uranate oligomers bound to the calixarene in anionic species. In all, the calixarene hexa-anion is present in a virtually identical conformation, suggesting that conformational preferences of the ligand must be a major factor controlling the form of the bound oxo-metal complex. Hydrogen bonding to the anions does not appear to be prominent even in the presence of protonated amines and this may explain the formation of some remarkable cation/solvent/simple anion clusters found within the lattices.

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