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Heterotetranuclear CuI2PdⅡ2 Complex with Bis(diphenylphosphino)methane and Diethyldithiocarbamate

         

摘要

Self-assembly between the building blocks of Pd(Et2dtc)2 (Et2dtc = diethyldithiorncarbamate) and [Cu2(μ-dppm)2(MeCN)2]2+ (dppm = bis(diphenylphosphino)methane) gave a new rnheterotetranuclear complex [Cu2Pd2(μ-dppm)2(μ-Et2dtc)2(μ3-Et2dtc)2](ClO4)2.H2O (C70H86Cl2Cu2-N4O9P4Pd2S8, Mr = 1932.56), and its crystal structure has been determined by X-ray crystallography. It crystallizes in triclinic, space group P1- with a = 11.9834(6), b = 12.5624(6), c =14.5603(8) A, α = 101.393 (1), β = 103.300 (1), γ= 96.310(1)°, V = 2063.2(2) A3, Z = 1, Dc =1.544 g/cm3,μ(MoKα) = 1336 cm-1 and F(000) = 978. The total and unique reflections are 8710 and 5400, respectively. The structure was refined to R = 0.0860 and wR = 0.1996 for 3914 observed reflections with I > 2σ(Ⅰ). The title complex consists of the cation [Cu2Pd2(μ-dppm)2(μ-Et2dtc)2(μ3-Et2dtc)2]2+, anion ClO4- and solvate H2O. The Pd(Ⅱ) atoms are located at the approximately square-planar environments with PS3 donors and the Cu(Ⅰ) atoms display distorted tetrahedral geometries.

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