The title complex has been obtained by the reaction of copper nitrate trihydrate with 4-abaH (4-abaH = 4-aminobenzonic acid) and phenanthroline in ethanol solution, and its structure was determined by X-ray crystall...The title complex has been obtained by the reaction of copper nitrate trihydrate with 4-abaH (4-abaH = 4-aminobenzonic acid) and phenanthroline in ethanol solution, and its structure was determined by X-ray crystallography with the following data: monoclinic, space group C2/c, M, = 1266.13, Cu2C52H54N10O20, a = 25.884(5), b = 10.205(2), c = 20.849(4) A, β= 106.34(3)°, Z= 4, V= 5284.7(18) A^3, F(000) = 2616, Dc = 1.591 g/cm^3, μ = 0.896 mm ^-1, the final R = 0.0441 and wR = 0.1148 for 4200 observed reflections (Ⅰ 〉 2σ(Ⅰ)). In the molecule of the title complex, the asymmetric unit contains one half molecule, The Cu(Ⅱ) atom is five-coordinated by a tenninal water molecule, a bidentate phcnanthroline and two monodentate 4-ammobenzoate ligands forming a square pyramidal coordination environment. The two bridging 4-aminobenzoate ligands result in a dinuclear copper(Ⅱ) cluster with a short Cu-Cu distance (3.048 A) and a π-π rstacking between the adjacent phenanthroline rings (2.96 A).展开更多
基金the Natural Science Startup Foundation of Jinan University (No. 51204005)
文摘The title complex has been obtained by the reaction of copper nitrate trihydrate with 4-abaH (4-abaH = 4-aminobenzonic acid) and phenanthroline in ethanol solution, and its structure was determined by X-ray crystallography with the following data: monoclinic, space group C2/c, M, = 1266.13, Cu2C52H54N10O20, a = 25.884(5), b = 10.205(2), c = 20.849(4) A, β= 106.34(3)°, Z= 4, V= 5284.7(18) A^3, F(000) = 2616, Dc = 1.591 g/cm^3, μ = 0.896 mm ^-1, the final R = 0.0441 and wR = 0.1148 for 4200 observed reflections (Ⅰ 〉 2σ(Ⅰ)). In the molecule of the title complex, the asymmetric unit contains one half molecule, The Cu(Ⅱ) atom is five-coordinated by a tenninal water molecule, a bidentate phcnanthroline and two monodentate 4-ammobenzoate ligands forming a square pyramidal coordination environment. The two bridging 4-aminobenzoate ligands result in a dinuclear copper(Ⅱ) cluster with a short Cu-Cu distance (3.048 A) and a π-π rstacking between the adjacent phenanthroline rings (2.96 A).