化学
咪唑
苯并咪唑
齿合度
X射线光电子能谱
铜
脱质子化
配体(生物化学)
无机化学
高分子化学
结晶学
立体化学
晶体结构
有机化学
离子
受体
物理
生物化学
核磁共振
作者
Denis P. Drolet,David M. Manuta,Alistair J. Lees,A. D. Katnani,George J. Coyle
标识
DOI:10.1016/s0020-1693(00)80605-2
摘要
Several Cu(II) complexes coordinated to imidazole (IMDAH) and benzimidazole (BIMDAH) ligands have been isolated as powdered solids. Compounds prepared are Cu(BIMDAH)4Cl2, Cu(IMDAH)4Cl2, Cu(BIMDAH)2Cl2, Cu(IMDAH)2Cl2 and Cu(BIMDA)2 (BIMDA = deprotonated form of BIMDAH ligand). These compounds have been characterized by elemental analysis, and by diffuse reflectance Fourier Transform and X-ray photoelectron spectroscopy. The results show that Cu(BIMDAH)4Cl2 and Cu(IMDAH)4Cl2 are formed as discrete mononuclear complexes in which the ligands are coordinated in a monodentate fashion. In contrast, the Cu- (BIMDAH)2Cl2 and Cu(IMDAH)2Cl2 complexes are formed as polymeric species. The Cu(BIMDA)2 complex also forms a polymeric structure with the ligands coordinated in a bidentate manner. X-ray photoelectron data illustrates that the surface composition of each of these complexes closely resembles that of the bulk material.
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