Structure and Magnetic Properties of a Tetranuclear Copper(II) Cluster Containing Dissymmetrical Oxamidate Ligand

【摘要】 <正>A new tetranuclear copper（II） compound containing dissymmetrical oxamidate ligand was synthesized and structurally characterized by IR spectroscopy, elemental analysis, single-crystal X-ray diffraction, and magnetic properties. The title compound 1 crystallizes in triclinic, space group P₁^- with a = 8.9547（9）, b = 11.7018（9）, c = 12.0288（10）, α = 110.1790（10）, β = 100.0700（10）, γ = 100.6780（10）°, V = 1122.97（17） ³, C₃₄H₄₈C_l2Cu₄N₁₀O₁₆, M_r = 1177.92, D_c = 1.742 g/cm³, μ（MoKα） = 2.067 mm^-1, F（000） = 600, Z = 1, the final R = 0.0391 and wR = 0.1073 for 3904 observed reflections （I > 2σ（I））. In the structure, complex 1 consists of a tetranuclear unit and two perchlorate anions. Furthermore, its magnetic properties have also been investigated.更多还原

【Abstract】 A new tetranuclear copper（II） compound containing dissymmetrical oxamidate ligand was synthesized and structurally characterized by IR spectroscopy, elemental analysis, single-crystal X-ray diffraction, and magnetic properties. The title compound 1 crystallizes in triclinic, space group P₁^- with a = 8.9547（9）, b = 11.7018（9）, c = 12.0288（10）, α = 110.1790（10）, β = 100.0700（10）, γ = 100.6780（10）°, V = 1122.97（17） ³, C₃₄H₄₈C_l2Cu₄N₁₀O₁₆, M_r = 1177.92, D_c = 1.742 g/cm³, μ（MoKα） = 2.067 mm^-1, F（000） = 600, Z = 1, the final R = 0.0391 and wR = 0.1073 for 3904 observed reflections （I > 2σ（I））. In the structure, complex 1 consists of a tetranuclear unit and two perchlorate anions. Furthermore, its magnetic properties have also been investigated.更多还原