Fluxional behaviour of 1,1,2,2,2,2,3,3,3,3-decacarbonyl-1-(η-cyclohexa-1,3-diene)-triangulo-triosmium

Abstract
Variable-temperature 13C(carbonyl) and 1H n.m.r. spectra of the title complex [Os3(C6H8)(CO)10] have been recorded. Four independent dynamic processes involving both organic-ligand and carbonyl-site exchange have been shown to occur and the limiting 13CO n.m.r. spectrum leads to a determination of the molecular geometry of the complex.

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