Modular Molecules: Site-Selective Metal Substitution, Photoreduction, and Chirality in Polyoxometalate Hybrids

M Vonci; F Akhlaghi Bagherjeri; PD Hall; RW Gable; A Zavras; RAJ O'Hair; Y Liu; J Zhang; MR Field; MB Taylor; J Du Plessis; G Bryant; M Riley; L Sorace; PA Aparicio; X Lõpez; JM Poblet; C Ritchie; C Boskovic

Journal article

Modular Molecules: Site-Selective Metal Substitution, Photoreduction, and Chirality in Polyoxometalate Hybrids

M Vonci, F Akhlaghi Bagherjeri, PD Hall, RW Gable, A Zavras, RAJ O'Hair, Y Liu, J Zhang, MR Field, MB Taylor, J Du Plessis, G Bryant, M Riley, L Sorace, PA Aparicio, X Lõpez, JM Poblet, C Ritchie, C Boskovic

Chemistry A European Journal | WILEY-V C H VERLAG GMBH | Published : 2014

DOI: 10.1002/chem.201403222

Abstract

The first members of a promising new family of hybrid amino acid-polyoxometalates have emerged from a search for modular functional molecules. Incorporation of glycine (Gly) or norleucine (Nle) ligands into an yttrium-tungstoarsenate structural backbone, followed by crystallization with p-methylbenzylammonium (p-MeBzNH3+) cations, affords (p-MeBzNH3)6K2(GlyH)[AsIII4(YIIIWVI3)WVI44YIII4O159(Gly)8- (H2O)14] 47 H2O (1) and enantiomorphs (p-MeBzNH3)15(NleH)3 [AsIII4(MoV2MoVI2)WVI44YIII4O160(Nle)9(H2O)11][AsIII4(MoVI2WVI2)- WVI44YIII4O160(Nle)9(H2O)11] (generically designated 2: L-Nle, 2 a; D-Nle, 2 b). An intensive structural, spectroscopic, electrochemical, magnetochemical and theoretical inves..

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University of Melbourne Researchers

Robert Gable Author

Richard O'Hair Author

Colette Boskovic Author

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Grants

Awarded by Australian Research Council

Awarded by Spanish Ministry of Science and Innovation

Awarded by DGR of the Generalitat de Catalunya

Awarded by Ramon y Cajal program

Funding Acknowledgements

We thank the Australian Research Council for funding (DP0877704, DP110100155 and LE120100186), the Spanish Ministry of Science and Innovation (Project No. CTQ2011-29054-C02-01/BQU) and the DGR of the Generalitat de Catalunya (2009SGR462 and the XRQTC). X.L. is grateful to the Ramon y Cajal program (grant number RYC-2008-02493). Roger Mulder, Lynn Francesconi, and Ben Burton-Pye are thanked for their efforts with <SUP>89</SUP>Y and <SUP>183</SUP>W NMR spectroscopy.