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Issue 7, 2017
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β-{Cr[RC(CH2O)3]2Mo6O18}3−: the first organically-functionalized β isomer of Anderson-type polyoxometalates

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Abstract

The exploration and discovery of new POM species with novel structural motifs are core prerequisites and permanent missions in the field of POM chemistry. It has been nearly 30 years since the first butterfly-shaped Anderson-type hetreopolyanions with a centred pentavalent Sb atom, [Sb(OH)2Mo6O22]5−, named as the β isomer, was discovered in 1988. Yet the corresponding β isomers with a lower valence metal as the central heteroatom and its triol-functionalized organic derivatives have never been obtained. Herein, for the first time, two novel triol-functionalized butterfly-shaped heteropolyanions, β-{Cr[RC(CH2O)3]2Mo6O18}3− (R = NH2, 1; C2H5, 2), were synthesized by the reaction of common flat Anderson-type POM, α-[Cr(OH)6Mo6O18]3−, and triol ligands in hot DMF. Single crystal XRD analysis reveals that β-{Cr[RC(CH2O)3]2Mo6O18}3− is the first triol-functionalized β isomer of common α-type Anderson POMs. This study will enrich the family of POMs and provide an oportunity for the discovery of more potential POMs-based organic–inorganic hybrid materials.

Graphical abstract: β-{Cr[RC(CH2O)3]2Mo6O18}3−: the first organically-functionalized β isomer of Anderson-type polyoxometalates

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Publication details

The article was received on 13 Apr 2017, accepted on 19 May 2017 and first published on 23 May 2017


Article type: Research Article
DOI: 10.1039/C7QI00199A
Citation: Inorg. Chem. Front., 2017,4, 1215-1218
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    β-{Cr[RC(CH2O)3]2Mo6O18}3−: the first organically-functionalized β isomer of Anderson-type polyoxometalates

    J. Zhang, Y. Huang, J. Hao and Y. Wei, Inorg. Chem. Front., 2017, 4, 1215
    DOI: 10.1039/C7QI00199A

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