A Keggin-Type Structure Expanded by an Eight-Membered Ring of Alternating Edge-Sharing VO5 and VO6 Polyhedra: Solvothermal Synthesis, Crystal Structure, and Magnetic Properties.

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Rasmussen, Maren, Naether, Christian, van Leusen, Jan, Koegerler, Paul and Bensch, Wolfgang (2015) A Keggin-Type Structure Expanded by an Eight-Membered Ring of Alternating Edge-Sharing VO5 and VO6 Polyhedra: Solvothermal Synthesis, Crystal Structure, and Magnetic Properties. European Journal of Inorganic Chemistry (20). pp. 3285-3289. DOI 10.1002/ejic.201500286.

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Abstract

The new tungstovanadate (trenH)(2)(trenH(2))(2)[W4V13O44]center dot ca.11H2O was prepared under solvothermal conditions in a basic solution at pH approximate to 12. The cluster core contains V-IV/V-V centers with delocalized spins exhibiting strong antiferromagnetic exchange interactions as evidenced by tempera-ture-dependent magnetic susceptibility measurements pointing to an S = 1/2 magnetic ground state. The structure features an eight-membered ring composed of four alternating edge-sharing VO5 pyramids and VO6 octahedra encapsulating a central Keggin fragment.

Document Type: Article
Additional Information: Times Cited: 0
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Refereed: Yes
Open Access Journal?: No
Publisher: Wiley
Projects: Future Ocean
Date Deposited: 18 Oct 2016 03:45
Last Modified: 22 Aug 2019 12:47
URI: https://oceanrep.geomar.de/id/eprint/32645

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