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Preparation and Structural Characterization of the Pd0–Carbonyl Complexes (R2PC2H4PR2)Pd(CO)2 and {(R2PC2H4PR2)Pd}2(µ-CO)

MPS-Authors

Trebbe,  Roman
Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Goddard,  Richard
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Rufinska,  Anna
Service Department Farès (NMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

Seevogel,  Klaus
Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Pörschke,  Klaus-Richard
Research Group Pörschke, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Trebbe, R., Goddard, R., Rufinska, A., Seevogel, K., & Pörschke, K.-R. (1999). Preparation and Structural Characterization of the Pd0–Carbonyl Complexes (R2PC2H4PR2)Pd(CO)2 and {(R2PC2H4PR2)Pd}2(µ-CO). Organometallics, 18(13), 2466-2472. doi:10.1021/om990239s.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-52DC-C
Abstract
(dippe)Pd(C2H4) and (dtbpe)Pd(C2H4) react with an excess of CO to afford the novel tetrahedral Pd0−dicarbonyl complexes (dippe)Pd(CO)2 (1) and (dtbpe)Pd(CO)2 (2). Partial CO elimination from 2 yields dinuclear {(dtbpe)Pd}2(μ-CO) (3), containing a single bridging carbonyl ligand. 3 represents the smallest cluster containing the Pd2(μ-CO) group and, as such, is also the simplest model compound for CO adsorption on a Pd(100) surface. Thermolysis of 3 produces a carbonyl-free product which is assumed to be the dinuclear species {(dtbpe)Pd}2 (4). The molecular structures of 2 and 3 have been determined, and the solids are furthermore characterized by CP-MAS NMR spectra.