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若干含-OR、-SR桥联双立方烷Mo-Fe-S簇合物的红外光谱研究
STUDIES ON THE INFRARED SPECTRA OF SOME DOUBLE-CUBANE-LIKE Mo-Fe-S CLUSTERS BRIDGED BY-OR OR -SR GROUPS
【Author】 He Lingjie Lin Shanhuo Chen Changneng Zhang Linna Fujian Institute of Research on the Structure of Matter,Academia Sinica
【机构】 中国科学院福建物质结构研究所;
【摘要】 <正>含MoFe3S4单元的类立方烷簇合物、特别是[Mo2FemSm(SPh)a(OMe)3]3-结构与固氨酶钼中心的结构信息相似,引起化学家的注意。研究簇合物红外光谱与微观结构的关系是揭示簇合物结构与性能关系的重要前提之一。为此,我们对下列含-OR桥联和-SR桥联双立方烷Mo-Fe-S簇合物的红外光谱进行研究:(Et4N)3[Mo2Fe5SmCla(OMe)3](1),(Et4N)3[Mo2 Fe6Sa(SPh)6(OMe)3](2),(Bu4N)3[Mo2 Fea Sm(SPh)5(OMe)3](3),(Et4N)3[Mo2Fe5Sm(SBut)6(OMe)3](4),(Et4N)3[Mo2 Fe6 S6(SPh)a](5)(其结构通式见图1)。
【Abstract】 The IR spectra of some double-cubane-like Mo-Fe-S clusters with -OR or -SR bridges have been invenstigated.Their characteristic frequencies ?Fe-S*,?Fe-SR, ?Mo-S*,?Mo-M2O(R),?Mo-μ2S(R) were assigned by comparing their vibrational frequencies with their structural parameters and by comparing the IR spectra of them with that of the linear clusters.The electrophlllc Induced effect in different way and the influence of Mo atom on ?Fe-S* of the clusters have been discussed. Finaly,the sameness and difference between the double-cubane-llke and linear MoFe -S clusters were demostrated.
- 【会议录名称】 全国第五届分子光谱学术报告会文集
- 【会议名称】全国第五届分子光谱学术报告会
- 【会议时间】1988
- 【会议地点】中国海南海口
- 【分类号】O641.4;O657.33
- 【主办单位】中国光学会光谱委员会、中国化学会物理化学委员会