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Structural Characterization of Cerium-encapsulated Preyssler-type Phosphotungstate: Additional Evidence of Ce(III) in the Cavity

Lookup NU author(s): Dr Paul Waddell, Dr John ErringtonORCiD

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by John Wiley and Sons Inc, 2021.

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Abstract

© 2021 Wiley-VCH GmbHSingle-crystal X-ray structure analysis revealed the precise structure of a Ce-encapsulated Preyssler-type phosphotungstate which was first synthesized by Pope et al. Antonio et al. reported that encapsulated Ce has a 3+ oxidation state and is redox-inactive, which is unlike other Ce-containing phosphotungstates. Therefore, precise structural analysis about Ce position is needed. The encapsulated Ce was located in one of the side cavities, and was coordinated to one H2O molecule. The position of Ce was similar to that of Y3+ and Eu3+ in similar compounds. This result, together with the bond valence sum calculation, provides additional evidence that the oxidation state of the redox-inactive Ce in the Preyssler-type compound is 3+.

Publication metadata

Author(s): Shitamatsu K, Kojima T, Waddell PG, Sugiarto, Ooyama HE, Errington RJ, Sadakane M

Publication type: Article

Publication status: Published

Journal: Zeitschrift fur Anorganische und Allgemeine Chemie

Year: 2021

Volume: 647

Issue: 11

Pages: 1239-1244

Print publication date: 11/06/2021

Online publication date: 20/04/2021

Acceptance date: 06/04/2021

Date deposited: 13/05/2021

ISSN (print): 0044-2313

ISSN (electronic): 1521-3749

Publisher: John Wiley and Sons Inc

URL: https://doi.org/10.1002/zaac.202100075

DOI: 10.1002/zaac.202100075

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