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Cerium(III) Complexes with Lacunary Polyoxotungstates. Synthesis and Structural Characterization of a Novel Heteropolyoxotungstate Based on α-[SbW9O33]9− Units

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Abstract

Several cerium(III) complexes with lacunary polyoxotungstates α-B-XW9O9− 33 (X=AsIII, SbIII) and W5O6− 18, have been synthesized and characterized by single-crystal X-ray analysis, elemental analysis and IR spectroscopy. The X-ray analysis of Na25[Ce(H2O)5As4W40O140]⋅63H2O (1) reveals the framework of the well-known [As4W40O140]28− anion with a {Ce(H2O)5}3+ unit in the central site S1. The anion in (NH4)19[(SbW9O33)4{WO2(H2O)}2Ce3(H2O)8(Sb4O4)]⋅48H2O (2) consists of a tetrahedral assembly of four α-B-SbIIIW9O9− 33 units connected by two additional six-coordinate tungsten atoms, three nine-coordinate monocapped square-antiprismatic cerium atoms and a Sb4O4 cluster. The CeIII center in the [Ce(W5O18)2]9− anion in Na9[Ce(W5O18)]⋅NaCl⋅30H2O (3) displays the square-antiprismatic environment observed in all complexes of the type [Ln(W5O18)2]n−.

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Author notes

  1. Ganglin Xue

    Present address: Department of Chemistry, Northwest University, Xian, 710069, People's Republic of China

Authors and Affiliations

  1. Laboratoire de Chimie Inorganique et Matériaux Moléculaires, UMR CNRS 7071, Université Pierre et Marie Curie, 4 Place Jussieu, 75252, Paris Cedex 05, France

    Ganglin Xue, Jacqueline Vaissermann & Pierre Gouzerh

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  1. Ganglin Xue
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  2. Jacqueline Vaissermann
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  3. Pierre Gouzerh
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Correspondence to Pierre Gouzerh.

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Xue, G., Vaissermann, J. & Gouzerh, P. Cerium(III) Complexes with Lacunary Polyoxotungstates. Synthesis and Structural Characterization of a Novel Heteropolyoxotungstate Based on α-[SbW9O33]9− Units. Journal of Cluster Science 13, 409–421 (2002). https://doi.org/10.1023/A:1020555116986

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  • DOI: https://doi.org/10.1023/A:1020555116986

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