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Title

Unusual metal–metal bonding in a dinuclear Pt–Au complex: Snapshot of a transmetalation process

AuthorsBaya, Miguel ; Belío, Úrsula ; Fernández, Israel; Fuertes, Sara ; Martín, Antonio
KeywordsDFT calculations
Donor-acceptor systems
Fluxionality
Heterobimetallic complexes
Metal-metal bonds
Issue Date2016
PublisherWiley-VCH
CitationAngewandte Chemie International Edition 55(24): 6978-6982 (2016)
AbstractThe dinuclear Pt–Au complex [(CNC)(PPh3)Pt Au(PPh3)](ClO4) (2) (CNC=2,6-diphenylpyridinate) was prepared. Its crystal structure shows a rare metal–metal bonding situation, with very short Pt–Au and Au–Cipso(CNC) distances and dissimilar Pt–Cipso(CNC) bonds. Multinuclear NMR spectra of 2 show the persistence of the Pt–Au bond in solution and the occurrence of unusual fluxional behavior involving the [PtII] and [AuI] metal fragments. The [PtII]⋅⋅⋅ [AuI] interaction has been thoroughly studied by means of DFT calculations. The observed bonding situation in 2 can be regarded as a model for an intermediate in a transmetalation process.
DescriptionCommunication.
Publisher version (URL)http://dx.doi.org/10.1002/anie.201602081
URIhttp://hdl.handle.net/10261/132941
DOI10.1002/anie.201602081
ISSN1433-7851
E-ISSN1521-3773
Appears in Collections:(ISQCH) Artículos
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