Tetrameric iridium hydride-rich clusters formed under hydrogenation conditions.
- (Chemical Equation Presented) Butterfly clusters: Hydrogenation of a cationic iridium complex with the sterically bulky N-ligand tetrahydroquinoline (thq) leads to the formation of two distinct tetrameric polyhydrides (see scheme; Ir green, N blue, P purple), which differ by exchanging one thq ligand for hydride. Both complexes have butterfly structures, with similar core geometries, but markedly different hinge angles (40.8° for 1 and 9.1° for 2). © 2009 Wiley-VCH Verlag GmbH and Co. KGaA.
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