(1,5-环辛二烯)氯铑二聚体的合成、表征及制备工艺优化  

Synthesis,Characterization and Process Optimization of[Rh(cod)Cl]2

作　　者：刘学 张向慧[1] 叶青松[1] 余娟[1] 张振强[1] 刘伟平[1] LIU Xue;ZHANG Xiang-hui;YE Qing-song;YU Juan;ZHANG Zhen-qiang;LIU Wei-ping(State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals,Kunming Institute of Precious Metals,Kunming 650106,China)

机构地区：[1]昆明贵金属研究所稀贵金属综合利用新技术国家重点实验室,昆明650106

出　　处：《贵金属》2020年第S01期146-153,共8页Precious Metals

基　　金：云南省院所技术开发专项(2018DC005)。

摘　　要：合成了(1,5-环辛二烯)氯铑二聚体([Rh(cod)Cl]2),用元素分析、红外吸收光谱、X射线单晶衍射仪(XRD)对其结构进行了表征,并用热重-差热(TG-TDA)分析测试其热分解特性。结果表明,该化合物为单斜晶系,P21/n空间群,晶胞参数为:a=0.72848(4)nm,b=2.51434(14)nm,c=0.88794(5)nm,β=91.0450(10)°,V=1.62612(16)nm3,R1=0.0235,wR2=0.0580,为一种同核双金属氯桥连化合物。TG-DTA测试显示该化合物分解峰出现在225℃。A Rhodium(I)complex,[Rh(cod)Cl]2,was synthesized and characterized by the elemental analysis,infrared absorption spectroscopy and single crystal X-ray diffractometer,accurately determine its structure,and its thermal decomposition characteristics were characterized by TG-TDA.Its crystal belongs to monoclinic space group P21/n,and its unit cell parameters are a=0.72848(4)nm,b=2.51434(14)nm,c=0.88794(5)nm,β=91.0450(10)°,V=1.62612(16)nm3,R1=0.0235,wR2=0.0580.Its molecular structure is that two Rh(I)with two Cl-and two 1,5-cyclooctadiene(cod)ligands form a dinuclear chloride bridge compound.TG-TDA results showed that the peak decomposition temperature was 225℃.

关 键 词：结构化学 铑(I)化合物 晶体结构 热重-差热分析 

分 类 号：O641.4[理学—物理化学]