The title phenolic oxygen bridged dinuclear Schiff base zinc(II) complex [Zn2Br2- (C15H14BrN2O)2] was synthesized and characterized by elemental analysis and single-crystal X-ray diffraction. The crystal belongs t...The title phenolic oxygen bridged dinuclear Schiff base zinc(II) complex [Zn2Br2- (C15H14BrN2O)2] was synthesized and characterized by elemental analysis and single-crystal X-ray diffraction. The crystal belongs to the triclinic system, space group P1 with a = 9.2279(17), b = 12.096(2), c = 16.286(3) A, α = 75.402(3), β = 87.464(3), γ= 72.746(3)°, V = 1679.1(5) A^3, Z = 2, Dc = 1.833 g/cm^3, Mr = 926.94, λ(MoKα) = 0.71073 A, μ= 6.221 mm^-1, F(000) = 904, the final R = 0.0601 and wR = 0.1155. A total of 7453 unique reflections were collected, of which 3425 with I 〉 2σ(I) were observed. One Zn atom is six-coordinate in an octahedral geometry, and the other one is four-coordinate in a tetrahedral geometry. The Zn...Zn distance is 3.106(2) A. In the crystal structure, molecules are linked through intermolecular hydrogen bonds typed N-H...Br and C-H...Br, forming zigzag chains running along the b axis. The complex shows potent cytotoxic property to both normal and carcinoma cells.展开更多
文摘The title phenolic oxygen bridged dinuclear Schiff base zinc(II) complex [Zn2Br2- (C15H14BrN2O)2] was synthesized and characterized by elemental analysis and single-crystal X-ray diffraction. The crystal belongs to the triclinic system, space group P1 with a = 9.2279(17), b = 12.096(2), c = 16.286(3) A, α = 75.402(3), β = 87.464(3), γ= 72.746(3)°, V = 1679.1(5) A^3, Z = 2, Dc = 1.833 g/cm^3, Mr = 926.94, λ(MoKα) = 0.71073 A, μ= 6.221 mm^-1, F(000) = 904, the final R = 0.0601 and wR = 0.1155. A total of 7453 unique reflections were collected, of which 3425 with I 〉 2σ(I) were observed. One Zn atom is six-coordinate in an octahedral geometry, and the other one is four-coordinate in a tetrahedral geometry. The Zn...Zn distance is 3.106(2) A. In the crystal structure, molecules are linked through intermolecular hydrogen bonds typed N-H...Br and C-H...Br, forming zigzag chains running along the b axis. The complex shows potent cytotoxic property to both normal and carcinoma cells.