Novel channeled compound based on Cr(III) trinuclear complex and polyoxometalate aimed for heterogeneous catalysis: synthesis and structure

Novel channeled compound based on Cr(III) trinuclear complex and polyoxometalate aimed for... Keggin-type polyoxometalate [SiW12O40]4-, and Cr(III) trinuclear cation [Cr3O (OOCH)6(H2O)3]+, assembled in the presence of K+ to form a novel complex, K3[Cr3O(OOCH)6 (H2O)3]SiW12O40•2H2O (1). The structure was confirmed by single crystal X-ray analysis, FT-IR and diffuse reflectance UV-vis spectroscopy. The investigation with FT-IR, and diffuse reflectance UV-vis measurements revealed that 1 was stable up to 200°C. It was revealed by single crystal X-ray analysis that 1 possesses a straight channel filled with water molecules, which can be removed upon heat treatment without degradation in the structure of the constituent ions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Novel channeled compound based on Cr(III) trinuclear complex and polyoxometalate aimed for heterogeneous catalysis: synthesis and structure

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Publisher
Brill Academic Publishers
Copyright
Copyright © 2002 by VSP 2002
Subject
Chemistry; Inorganic Chemistry; Physical Chemistry; Catalysis
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1163/156856702760346806
Publisher site
See Article on Publisher Site

Abstract

Keggin-type polyoxometalate [SiW12O40]4-, and Cr(III) trinuclear cation [Cr3O (OOCH)6(H2O)3]+, assembled in the presence of K+ to form a novel complex, K3[Cr3O(OOCH)6 (H2O)3]SiW12O40•2H2O (1). The structure was confirmed by single crystal X-ray analysis, FT-IR and diffuse reflectance UV-vis spectroscopy. The investigation with FT-IR, and diffuse reflectance UV-vis measurements revealed that 1 was stable up to 200°C. It was revealed by single crystal X-ray analysis that 1 possesses a straight channel filled with water molecules, which can be removed upon heat treatment without degradation in the structure of the constituent ions.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Oct 13, 2004

References

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