A mixed-valent hexanuclear complex [Cu^ⅡCu^Ⅰ2(pbi)2Br2]2 (pbi = (2-(2-pyridyl)-benzimidazole) exhibiting a dimeric unit bridged by two Br atoms was synthesized by hydrothermal reaction Interestingly, there ex...A mixed-valent hexanuclear complex [Cu^ⅡCu^Ⅰ2(pbi)2Br2]2 (pbi = (2-(2-pyridyl)-benzimidazole) exhibiting a dimeric unit bridged by two Br atoms was synthesized by hydrothermal reaction Interestingly, there exist intramolecular and intermolecular n^zstacking interactions as well as metalaromatic ring interactions in the title complex. The crystal belongs to the monoclinic system, space group P1, with a = 7.1061(9), b = 12.1008(13), c = 14.0711(17) A, α=91.742(8),β=100.155(9), γ=90.486(7)°, V = 1190.3(2) A^3, Z = 2, C48H32Br4CucoNt2, Mr = 1477.74, Dc= 2.061 g/cm^3, F(000) = 718, μ(MoKα) = 6.039 mm^-1, the final R = 0.0481 and wR = 0.0974 for 3426 observed reflections (I 〉 2σ(I)).展开更多
基金This work was supported by the 973 Program of the MOST (001CB108906), the NNSFC (90206040, 20425313, 20521101, 20333070, and 20303021), the NSF of Fujian Province (2005HZ01-1) and the Chinese Academy of Sciences
文摘A mixed-valent hexanuclear complex [Cu^ⅡCu^Ⅰ2(pbi)2Br2]2 (pbi = (2-(2-pyridyl)-benzimidazole) exhibiting a dimeric unit bridged by two Br atoms was synthesized by hydrothermal reaction Interestingly, there exist intramolecular and intermolecular n^zstacking interactions as well as metalaromatic ring interactions in the title complex. The crystal belongs to the monoclinic system, space group P1, with a = 7.1061(9), b = 12.1008(13), c = 14.0711(17) A, α=91.742(8),β=100.155(9), γ=90.486(7)°, V = 1190.3(2) A^3, Z = 2, C48H32Br4CucoNt2, Mr = 1477.74, Dc= 2.061 g/cm^3, F(000) = 718, μ(MoKα) = 6.039 mm^-1, the final R = 0.0481 and wR = 0.0974 for 3426 observed reflections (I 〉 2σ(I)).