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Issue 40, 2013
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Assembly of trimeric polyoxovanadate aggregates based on [MnV13O38]7− building blocks and lanthanide cations

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Abstract

Three trimeric polyoxovanadate based on 1 : 13 anions [MnV13O38]7− with lanthanide cations Ln3+ (Ln = La, Ce and Nd) and pyridine-3-carboxylic acid: HK3{[Ln(H2O)4]6[MnV13O38]3(SO4)2}·3(C6H6NO2nH2O (Ln = La 1, Nd 3; n = 33 for 1, 20 for 3), H2.5K1.5{[Ce(H2O)4]6[MnV13O38]3(SO4)2}·3(C6H6NO2)·20.5H2O (2) (C6H5NO2 = pyridine-3-carboxylic acid) have been synthesized and characterized by elemental analysis, IR spectroscopy, UV spectroscopy, TG analysis, XPRD, electrochemical analyses, magnetism and single-crystal X-ray diffraction. Compounds 1–3 are isostructural and crystallized in the hexagonal system, space group P63/m. Compounds 1–3 contain an unusual trimeric polyoxoanion [{Ln2MnV13O38}3(SO4)2]7−, representing the first polyoxovanadate-based trimeric aggregate with rare earth ions. The electrochemical and electrocatalytic properties of the compounds have been investigated. Magnetic studies indicate that antiferromagnetic interactions exist in the compounds.

Graphical abstract: Assembly of trimeric polyoxovanadate aggregates based on [MnV13O38]7− building blocks and lanthanide cations

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Article information


Submitted
13 May 2013
Accepted
05 Aug 2013
First published
07 Aug 2013

Dalton Trans., 2013,42, 14445-14453
Article type
Paper

Assembly of trimeric polyoxovanadate aggregates based on [MnV13O38]7− building blocks and lanthanide cations

D. Liu, Y. Lu, Y. Li, H. Tan, W. Chen, Z. Zhang and E. Wang, Dalton Trans., 2013, 42, 14445
DOI: 10.1039/C3DT51250A

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