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  • 1
    ISSN: 0044-2313
    Keywords: MoIV ; GdIII ; Mo—Gd heterobimetallic complex ; X-ray structure analysis ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and structure of a Molybdenum-Gadolinium Heterometallic Complex. The Structure of [Li(thf)4]2[Cp2MoSGdBr4(thf)]2[Cp2MoHLi] reacts in THF with S and GdBr3 to yield the tetranuclear heterobimetallic complex [Li(thf)4]2[Cp2MoSGdBr4(thf)]2. The bonding situation and the structure of this compound were characterized by X-ray structure analysis (space group P1 (No. 2), Z = 1, a = 10.845(2) Å, b = 12.166(2) Å, c = 15.881(2) Å, α = 101.74(2)°, β = 97.62(2)°, γ = 103.97(2)°). Each S atom of the central Mo2S2-ring is coordinated by a GdBr4(thf) fragment. Additionally each Mo atom is connected to two Cp ligands. This leads to a tetrahedral coordination of the Mo atoms and a octahedral coordination of the Gd ions.
    Notes: [Cp2MoHLi] reagiert in THF mit S und GdBr3 zu dem vierkernigen Heterometallkomplex [Li(thf)4]2[Cp2MoSGdBr4(thf)]2. Die Bindungsverhältnisse und der Aufbau dieser Verbindung konnten durch eine Kristallstrukturanalyse geklärt werden (Raumgruppe P1 (Nr. 2), Z = 1, a = 10,845(2) Å, b = 12,166(2) Å, c = 15,881(2) Å, α = 101,74(2), β = 97,62(2)°, γ = 103,97(2)°). An den zentralen Mo2S2-Vierring koordiniert ein GdBr4(thf)-Fragment, so daß jedes Gd-Ion an sechs Liganden gebunden ist. Zusätzlich ist jedes Mo-Atom von zwei Cp-Liganden umgeben und erhält dadurch die Koordinationszahl 4.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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