[Et_(4)N]_(3)[Mo_(2)FeS_(8)O_(2)]·CH_(3)CN原子簇络合物的合成、性质和结构  

Synthesis, Properties and Structure of Cluster Complex (Et_(4)N)_(3)(Mo_(2)FeS_(8)O_(2))·CH_(3)CN

作　　者：刘喜生[1] 徐吉庆[1] 牛淑云[1] 李淑琴[1] Liu Xisheng;Xu Jiqing;Niu Shuyun;Li Shuqin(Department of Chemistry,Jilin University,Changchun)

机构地区：[1]吉林大学化学系

出　　处：《高等学校化学学报》1985年第3期258-262,共5页Chemical Journal of Chinese Universities

摘　　要：本文研究了一种新的钼原子含端氧配位的Mo-Fe-S原子簇络合物[Et_(4)N]_(3)·[Mo_(2)FeS_(8)O_(2)]·CH_(3)CN(Ⅰ)的合成、性质和结构,与[Et_(4)N]_(3)[Mo_(2)FeS_(8)O-2](Ⅱ)和[Bu_(4)N]_(3)[Mo_(2)FeS_(8)O](Ⅲ)对比得出:(1) 三种络合物得电子能力的顺序为:Ⅰ<Ⅱ<Ⅲ.(2)它们在空气中的稳定性顺序为:Ⅰ>Ⅱ>Ⅲ.(3)它们的分子对称性强弱的顺序为:Ⅱ>Ⅰ>Ⅲ.(4)催化乙炔还原为乙烯的活性顺序与它们的稳定性正相反.Tn this paper, synthesis, structure and properties of a new Mo-Fc-S cluster complex (Et_(4)N)3(Mo_(2)FeS_(8)O_(2))·CH_(3)CN ( Ⅰ ) with oxygen coordinated to Mo atom are reported, in which UV-Vis. spectra, IR spectra, Mossbauer spectra, eletrochemical properties and catalytic activity reducing C2H_(3) to C_(2)H_(4) are involved. Our conclusions obtained from contrasting properties of the complex with that of the complex (Et_(4)N)_(3)(Mo_(2)FeS_(8)O_(3)) (Ⅱ) and (Bu4N)3(Mo_(2)FeS_(8)O) (Ⅲ) previously reported by us are as follows ( 1 ) the electrochemical data show that the order of ability for obtaining electron is Ⅰ<Ⅱ<Ⅲ, (2) the order of stability in air is Ⅰ > Ⅱ>Ⅲ, (3) the order of symmetry is Ⅱ>Ⅰ > Ⅲ, (4) the order of reducing C2H_(3) to C_(2)H_(4) by catalysis is contrary to that of stability.

关 键 词：分子对称性 原子簇 络合物 FES CH 

分 类 号：O65[理学—分析化学]