Syntheses of Ir4(CO)6(5-C5Me4H)2 and Ir7(3-CO)3(CO)12(5-C5Me5) from Pentametallic Molybdenum-Iridium Cluster Precursors

被引：0

作者：

Fu, Junhong ^{[1
]}

Randles, Michael D. ^{[1
]}

Criddle, Alan L. ^{[1
]}

Moxey, Graeme J. ^{[1
]}

Schwich, Torsten ^{[1
]}

Stranger, Robert ^{[1
]}

Cifuentes, Marie P. ^{[1
]}

Humphrey, Mark G. ^{[1
]}

机构：

[1] Australian Natl Univ, Res Sch Chem, Canberra, ACT 2601, Australia

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2015年 / 15期

基金：

澳大利亚研究理事会;

关键词：

Cluster compounds; Electron-deficient compounds; Solid-state structures; Synthesis design; Transition metals; PROTON AFFINITIES; CORE EXPANSION; PERIODIC-TABLE; APPROXIMATION; CHEMISTRY; GROUP-6; TRENDS;

D O I：

10.1002/ejic.201500188

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reaction of Mo2Ir3(-CO)(3)(CO)(6)((5)-C5H5)(2)((5)-C5Me5) with Ir(CO)(2)((5)-C5Me4H) afforded the four-valence-electron-deficient butterfly cluster Ir-4(CO)(6)((5)-C5Me4H)(2); its stability has been rationalized with the aid of density functional theory calculations, which suggest that significant additional intracluster bonding alleviates the formal electron deficiency. Reaction of MoIr4(CO)(10)((5)-C5H5)((5)-C5Me5) with [N(PPh3)(2)][Ir(CO)(4)] afforded the capped octahedral cluster Ir-7((3)-CO)(3)(CO)(12)((5)-C5Me5), which possesses three semi-face-capping CO ligands. These outcomes demonstrate that heterometallic clusters may serve as a potential source of new homometallic clusters following appropriate M-M cleavage.

引用

页码：2587 / 2591

页数：5

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