含固氮酶钼微环境结构单元O_3MoS_3的Mo－S，Mo－Fe－S化合物的研究  

Investigation of the Mo-S, Mo-Fe-S Cluster Compounds Containing Mo-Microenvironment Structural Unit, O_3MoS_3, of Nitrogenase

作　　者：庄伯涛[1] 黄梁仁[1] 兰安建[1] 何玲洁[1] 潘炳华 余佩华[1] 

机构地区：[1]中国科学院福建物质结构研究所

出　　处：《Chinese Journal of Structural Chemistry》1995年第3期161-169,共9页结构化学（英文）

基　　金：国家自然科学基金;国家攀登计划基金

摘　　要：研究了含固氮酶钼微环境Ｏ_３ＭｏＳ_３结构单元四个系列化合物［Ｍｏ（Ｓ，Ｏ－Ｃ_６Ｈ_４－１，２］~－（Ｍ）［Ｍｏ_２（ＣＯ）_３（Ｓ，Ｏ－Ｃ_６Ｈ_４－１，２）_３］^（２－）（Ｄ），［Ｍｏ_３（ＣＯ）_７（Ｓ，Ｏ－Ｃ_６Ｈ_４－１，２）_３］^（２－）（Ｔ），和［Ｍｏ_２Ｆｅ（ＣＯ）_４（Ｓ，Ｏ－Ｃ_６Ｈ_４－１，２）_３Ｃｌ_２］^（２－）（Ｔ_ｆ）的合成化学与结构化学，并通过Ｘ－射线光电子能谱，红外光谱和电化学环伏安研究，深入探讨了它们的混合价，电子迁移和电化学行为，也讨论了有趣的Ｏ_３ＭｏＳ_３结构单元。The synthetic and structural chemistry of four series of cluster compouds containing Mo-microenvironment structural unit, O_3MoS_3, of nitrogenase, [Mo(S,O-C_6H_4-1,2]￣-(M) [Mo_2(CO)_3(S,O-C_6H_4-1,2)_3]￣(2-)(D),[Mo_3(CO)_7(S,O-C_6H_4-1,2)_3]￣(2-)(T), and [Mo_2Fe(CO)_4(S,O-C_6H_4-1,2)_3Cl_2]￣(2-)(T_f) has been investigated systematically and the interesting O_3MoS_3 structural unit was discussed by comparing with the EXAFS data of FeMo-co of nitrogenase.Moreover, their mixed valence, charge transfer and electrochemical behavior were approached by the studies on their X-ray photoelectron spectra, infrared spectra and cyclic voltammetry.

关 键 词：混合价 固氮酶 钼 微环境 有机氧 有机硫 

分 类 号：Q945.13[生物学—植物学] O641.4[理学—物理化学]