Abstract
Two Fe–Ta containing sulfido complexes were prepared by the reaction of the metal halide salts with bis-trimethylsilylsulfide in the presence of PMe3. The complexes demonstrate that coordination chemistry with iron sulfides can give access to a range of heterometallic complexes. In [Cl(Me3P)Ta(μ 2-S)2(μ 3-S)Fe(PMe3)2]2 the two [Cl(Me3P)Ta] units are arranged around one central Fe2(μ 2-S)2 unit. In [(Me3P)4(MeCN)2FeII]2+[(Me3P)2TaIVFeII 3(μ 3-S)4Br4]2− a [TaFe3S4]2+ cuboidal arrangement was observed. The complex salt forms a polymeric structure in the solid-state with weak H-bonds between the ions. The [(Me3P)2TaIVFeII 3(μ 3-S)4Br4]2− ion was characterised by magnetic measurements showing strong antiferromagnetic interactions between the metal centres.
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Clérac, R., Fenske, D., Issac, I. et al. Syntheses and Structures of Heterometallic Fe–Ta Chalcogenido Clusters. Journal of Cluster Science 15, 189–198 (2004). https://doi.org/10.1023/B:JOCL.0000027402.38129.5b
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DOI: https://doi.org/10.1023/B:JOCL.0000027402.38129.5b