One-dimensional array of two- and three-center cation-cation bonds in the structure of Li4[(UO2)10O10(Mo2O8)]

Alekseev, E. V., Krivovichev, S. V., Malcherek, T. and Depmeier, W. (2007) One-dimensional array of two- and three-center cation-cation bonds in the structure of Li4[(UO2)10O10(Mo2O8)] Inorg Chem, 46 (21). pp. 8442-4. DOI 10.1021/ic7009385.

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Abstract

Dark-red crystals of the new compound Li(4)[(UO(2))(10)O10(Mo(2)O(8))] (1) have been obtained by high-temperature solid-state reactions. The structure of 1 (monoclinic, P2(1)/c, a = 7.9426(4) A, b = 19.9895(9) A, c = 10.0796(5) A, beta = 90.575(2) degrees, V = 1600.24(13) A(3), Z = 4) consists of a framework of U and Mo polyhedra with Li+ cations in the channels. The framework contains seven-polyhedra-wide uranium oxide tapes interlinked by dimers of edge-sharing [4 + 1]-distorted MoO(5) polyhedra. The U-O tapes are parallel to the a axis, and their planes are oriented parallel to (021) and (02) so that they are cross-linked within the framework. The core of the tapes consists of unprecedented one-dimensional arrays of cation-cation-bonded uranyl ions. The arrays are constructed from eight-membered cycles with uranyl ions linked through two- and three-center cation-cation interactions.

Document Type: Article
Additional Information: Alekseev, Evgeny V Krivovichev, Sergey V Malcherek, Thomas Depmeier, Wulf United States Inorganic chemistry Inorg Chem. 2007 Oct 15;46(21):8442-4. Epub 2007 Sep 11.
Research affiliation: Kiel University
DOI etc.: 10.1021/ic7009385
ISSN: 0020-1669 (Print)0020-1669 (Linking)
Date Deposited: 02 Feb 2012 07:34
Last Modified: 08 Oct 2012 10:20
URI: http://eprints.uni-kiel.de/id/eprint/15888

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