Inorganic crown: the host–guest chemistry of a high nuclearity 'Celtic-ring' isopolyoxotungstate [H12W36O120]12–

Long, D.-L. , Brücher, O., Streb, C. and Cronin, L. (2006) Inorganic crown: the host–guest chemistry of a high nuclearity 'Celtic-ring' isopolyoxotungstate [H12W36O120]12–. Dalton Transactions(23), pp. 2852-2860. (doi:10.1039/b515935k)

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A range of complexes based on the high-nuclearity {W36} isopolyoxotungstate cluster, [H12W36O120]12–, with a triangular topology has been isolated by using the organic cation, protonated triethanolamine. In analogy to an 18-crown-6 crown ether with six oxygen donors on a ring, the cluster can form alkali and alkaline earth metal complexes {MCW36} (M = K+, Rb+, Cs+, NH4+, Sr2+ and Ba2+, 1–6, respectively). Compounds 1–6 were characterized by single-crystal X-ray diffraction, elemental analysis, IR spectroscopy. Comparisons between the structures of 1–6 and 18-crown-6 as well as the symmetry directing influence of the organo-cations in the isolation of the overall cluster architecture are discussed.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Long, Dr Deliang and Cronin, Professor Lee and Streb, Mr Carsten
Authors: Long, D.-L., Brücher, O., Streb, C., and Cronin, L.
Subjects:Q Science > QD Chemistry
College/School:College of Science and Engineering > School of Chemistry
University Centres > Glasgow Materials Research Initiative
Journal Name:Dalton Transactions
Publisher:Royal Society of Chemistry
ISSN (Online):1477-9234
Published Online:03 May 2006

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
360911Breaking the mould:Fundamental new "in-situ" Switchable Polyoxometalate Cluster-based Acylation CatalystsLeroy CroninEngineering & Physical Sciences Research Council (EPSRC)GR/S87072/01CHEM - CHEMISTRY