Mixed-Metal Cluster Chemistry. 19. Crystallographic, Spectroscopic, Electrochemical, Spectroelectrochemical, and Theoretical Studies of Systematically Varied Tetrahedral Group 6−Iridium Clusters
作者:Nigel T. Lucas、Jonathan P. Blitz、Simon Petrie、Robert Stranger、Mark G. Humphrey、Graham A. Heath、Vincent Otieno-Alego
DOI:10.1021/ja0173829
日期:2002.5.1
electrochemical oxidation or reduction. The 60-electron tetrahedral clusters MIr(3)(CO)(11-x)(PMe(3))(x)(eta(5)-Cp) [M = Mo, x = 0, Cp = C(5)H(4)Me (5), C(5)HMe(4) (6), C(5)Me(5) (7); M = W, Cp = C(5)H(4)Me, x = 1 (13), x = 2 (14)] and M(2)Ir(2)(CO)(10-x)(PMe(3))(x)(eta(5)-Cp) [M = Mo, x = 0, Cp = C(5)H(4)Me (8), C(5)HMe(4) (9), C(5)Me(5) (10); M = W, Cp = C(5)H(4)Me, x = 1 (15), x = 2 (16)] have been
使用晶体学、拉曼光谱、循环伏安法、UV-vis-NIR 和 IR 光谱电化学以及近似密度泛函理论研究了一系列涉及配体和核心金属变化的系统变化的四面体簇,以评估簇重排以适应空间拥挤,金属-金属伸缩振动在混合金属簇表征中的应用,通过系统地改变组成来调整簇电子结构的可能性,以及识别电化学氧化或还原产生的簇种类。60 电子四面体簇 MIr(3)(CO)(11-x)(PMe(3))(x)(eta(5)-Cp) [M = Mo, x = 0, Cp = C(5) H(4)Me(5)、C(5)HMe(4)(6)、C(5)Me(5)(7);M = W, Cp = C(5)H(4)Me, x = 1 (13), x = 2 (14)] 和 M(2)Ir(2)(CO)(10-x)(PMe( 3))(x)(eta(5)-Cp) [M = Mo, x = 0, Cp = C(5)H(4)Me(8)、C(5)HMe