Synthesis and Characterization of the Novel Iron Carbonyl Tellurium Chloride Cluster [Fe2(CO)6(μCl)(μ‐TeCl)2]2[η2,μ2,μ2Te2Cl10], and Its Decomposition to the Zintl Ion Complex [Fe2(CO)6(η2,μ2,μ2Te4)(μTeCl2)]

A doubly bridging (η2,μ2,μ2Te4)2− ion and a bridging [TeCl2]2+ ion with a nearly linear ClTeCl angle are the prominent structural features of complex 1 (shown on the right, CO ligands on Fe have been omitted), which contains both oxidized and reduced tellurium centers in the same molecule. This complex is stabilized through weak Te – Te interactions forming infinite sheets in the solid state, but is not stable in solution. Complex 1 is the ultimate product of a complex halogenation of [Te2Fe3(CO)9].