Mixed-Metal Cluster Chemistry. 4.¹ Synthesis and X-ray Crystal Structure of Cp₃W₃Ir₄(μ-H)(CO)₁₂

Abstract

Heating Cp 2 W 2 Ir 2 (CO) 10 with triphenylamine in refluxing tetrahydrofuran affords Cp 3 W 3 Ir 4 (μ-H)(CO) 12 ( 1 ) in poor yield; an X-ray structural study reveals that the molecule consists of a trigonal bipyramidal CpW{Ir(CO) 2 } 4 unit bicapped by CpW(CO) 2 fragments.