Novel Copper(I) Clusters with 2-(Diphenylphosphanyl)anilide Ligands. Synthesis and Crystal Structures of [Cu₆X₂(NHR)₄] (X = Cl, Br, I; R = C₆H₄-2-PPh₂)

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• 作者：Phil Liebing ; Jan Freudenberg ; Christian Heiser and Kurt Merzweiler
• 刊名：Zeitschrift für anorganische und allgemeine Chemie
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：643
• 期：2
• 页码：203-208
• 全文大小：820K
• ISSN：1521-3749

文摘

Treatment of copper(I) halides CuX (X = Cl, Br, I) with lithium 2-(diphenylphosphanyl)anilide [Li(HL)] in THF led to the formation of hexanuclear copper(I) complexes [Cu₆X₂(HL)₄] [X = Cl (1), Br (2), I (3)]. In compounds 1–3, the copper atoms are in a distorted octahedral arrangement and the amide ligands adopt a μ₃-κP,κ²N bridging mode. Additionally there are two μ₂-bridging halide ligands. Each of the [Cu₆X₂(HL)₄] clusters comprises two copper atoms, which are surrounded by two amide nitrogen atoms in an almost linear coordination [Cu–N: 186.2(3)–188.0(3) pm] and four copper atoms, which are connected to an amide N atom, a P atom, and a halogen atom in a distorted trigonal planar fashion [Cu–N: 199.6(3)–202.3(3) pm)].