Sm. Waterman et al., MIXED-METAL CLUSTER CHEMISTRY .4. SYNTHESIS AND X-RAY CRYSTAL-STRUCTURE OF CP(3)W(3)IR(4)(MU-H)(CO)(12), Organometallics, 15(6), 1996, pp. 1745-1748
Heating Cp(2)W(2)Ir(2)(CO)(10) with triphenylamine in refluxing tetrah
ydrofuran affords CP3W3Ir4(mu-H)(CO)(12) (I) in poor yield; an X-ray s
tructural study reveals that the molecule consists of a trigonal bipyr
amidal CpW{Ir(CO)(2)}(4) unit bicapped by CpW(CO)(2) fragments.