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Issue 7, 2019
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Two rare Cr–Ln (Ln = Dy, Tb) heterometallic cluster substituted polyoxometalates featuring hexameric aggregates: hydrothermal syntheses, crystal structures and magnetic studies

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Abstract

Two hexameric chromium–lanthanide heterometallic cluster substituted polyoxometalates (POMs), K9Na14Cs12H[Cr6Dy6(H2O)12(α-GeW10O38)6]·33H2O (1-Dy) and K9Na14Cs12H[Cr6Tb6(H2O)12(α-GeW10O38)6]·65H2O (1-Tb), have been hydrothermally synthesized and structurally characterized through single-crystal X-ray diffraction analysis, powder X-ray diffraction analysis, thermogravimetric analysis, infrared spectroscopy and solid-state ultraviolet-visible spectroscopy. Compounds 1-Dy and 1-Tb represent the first examples of 3d–4f heterometallic cluster substituted POMs incorporating chromium–lanthanide clusters. What's more, magnetic investigations indicate that overall antiferromagnetic coupling is present in 1-Dy and 1-Tb.

Graphical abstract: Two rare Cr–Ln (Ln = Dy, Tb) heterometallic cluster substituted polyoxometalates featuring hexameric aggregates: hydrothermal syntheses, crystal structures and magnetic studies

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Supplementary files

Article information


Submitted
15 Dec 2018
Accepted
15 Jan 2019
First published
16 Jan 2019

New J. Chem., 2019,43, 3011-3016
Article type
Paper

Two rare Cr–Ln (Ln = Dy, Tb) heterometallic cluster substituted polyoxometalates featuring hexameric aggregates: hydrothermal syntheses, crystal structures and magnetic studies

Y. Gu, H. Yu, L. Lin, Y. Wu, Z. Li, W. Pan, J. He, L. Chen, Q. Li and X. Li, New J. Chem., 2019, 43, 3011
DOI: 10.1039/C8NJ06327C

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