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Synthesis and Characterization of Multinuclear Manganese-Containing Tungstosilicates

Lookup NU author(s): Dr Jochen Friedl, Professor Ulrich Stimming

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Abstract

The five manganese-containing, Keggin-based tungstosilicates [MnII3(OH)3(H2O)3(A-α-SiW9O34)]7– (1), [MnIII3(OH)3(H2O)3(A-α-SiW9O34)]4– (2), [MnIII3(OH)3(H2O)3(A-β-SiW9O34)]4–(3), [MnIII3MnIVO3(CH3COO)3(A-α-SiW9O34)]6– (4), and [MnIII3MnIVO3(CH3COO)3(A-β-SiW9O34)]6– (5) were synthesized in aqueous medium by interaction of [A-α-SiW9O34]10– or [A-β-SiW9O34H]9– with either MnCl2 (1) or [MnIII8MnIV4O12(CH3COO)16(H2O)4] (2–5) under carefully adjusted reaction conditions. The obtained salts of these polyanions were analyzed in the solid state by single-crystal X-ray diffraction, IR spectroscopy, and thermogravimetric analysis. The salts of polyanions 1, 2, and 4 were further characterized in the solid state by magnetic studies, as well as in solution by electrochemistry.

Publication metadata

Author(s): Al-Oweini R, Bassil B, Friedl J, Kottisch V, Ibrahim M, Asano M, Keita B, Novitchi G, Lan Y, Powell A, Stimming U, Kortz U

Publication type: Article

Publication status: Published

Journal: Inorganic Chemistry

Year: 2014

Volume: 53

Issue: 11

Pages: 5663-5673

Print publication date: 02/06/2014

Online publication date: 19/05/2014

Date deposited: 04/04/2016

ISSN (print): 0020-1669

ISSN (electronic): 1520-510X

Publisher: American Physical Society

URL: http://dx.doi.org/10.1021/ic500425c

DOI: 10.1021/ic500425c

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