“风车状”双核镉配合物[Cd_2(3-PyOH)_4(FBA)_4]的合成、晶体结构及热稳定性  

Synthesis,Crystal Structure and Thermal Stability of "Windmill-shaped" Dinuclear Cadmium Complex [Cd_2(3-PyOH)_4(FBA)_4]

作　　者：邓兆鹏 高山[1] 霍丽华[1] 赵辉[1] 

机构地区：[1]黑龙江大学化学化工与材料学院功能材料室,哈尔滨150080

出　　处：《无机化学学报》2007年第6期1089-1092,共4页Chinese Journal of Inorganic Chemistry

基　　金：黑龙江省自然科学基金(No.B200501);黑龙江省高校骨干教师资助项目(No.1054G036)。

摘　　要：近年来．由有机芳香羧酸分子建筑块与金属离子构筑的配合物受到了化学家们的极大关注．这不仅因为羧酸根具有丰富的配位模式．而且其在许多金属酶中具有重要的生理作用。目前．研究主要集中于苯甲酸及其衍生物构筑的配合物．而其中以吸电子基团取代的衍生物为配体建构的配合物多集中于卤素、硝基、氰基等，对于醛基取代的苯甲酸金属配合物的合成、结构与性质研究还未见文献报道。A dinuclear cadmium complex, [Cd2（3-PyOH）4（FBA）4] （FBA-=4-formylbenzoate monoanion, C8H5O3, 3- PyOH=3-hydroxypyridine）, was synthesized and characterized by the element analysis, IR, TG and single crystal X-ray diffraction. Each cadmium（H） ion is six-coordinated by four O atoms from three different FBA- groups and two N atoms from two different 3-PyOH ligands, giving a distorted octahedral geometry. The two cadmium（Ⅱ） atoms are bridged by two FBA- groups, with the Cd...Cd distances being 0.3928（6） nm. In addition, there are two kinds of π-π stacking interactions between the two adjacent parallel 3-PyOH ligands in the title complex, with the Cg…Cg （Cg is the centroid of the above rings） distances of 0.361 0（5） and 0.385 2（6） nm, respectively. A twodimensional supramolecular layer structure is constructed by intermolecular hydrogen bonds between the carboxyl O atoms of the FBA- groups and the 3-PyOH ligands in ab plane. CCDC： 619649.

关 键 词：镉配合物 合成 晶体结构 

分 类 号：O614.242[理学—无机化学]