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Issue 43, 2018
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Bond dissociation energies of carbonyl gold complexes: a new descriptor of ligand effects in gold(i) complexes?

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Abstract

Ligand electronic effects in gold(I) chemistry have been evaluated by means of the experimental determination of M–CO bond dissociation energies for 16 [L–Au–CO]+ complexes, bearing L ligands widely used in gold catalysis. Energy-resolved analyses have been made using tandem mass spectrometry with collision-induced dissociation. Coupled with DFT calculations, this approach enables the quantification of ligand effects based on the LAu–CO bond strength. A further energy decomposition analysis gives access to detailed insights into this bond's characteristics. Whereas small differences are observed between phosphine- and phosphite-containing gold complexes, carbene ligands are shown to stabilize the gold-carbonyl bond much more efficiently.

Graphical abstract: Bond dissociation energies of carbonyl gold complexes: a new descriptor of ligand effects in gold(i) complexes?

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Article information


Submitted
14 Sep 2018
Accepted
05 Oct 2018
First published
05 Oct 2018

Dalton Trans., 2018,47, 15497-15505
Article type
Paper

Bond dissociation energies of carbonyl gold complexes: a new descriptor of ligand effects in gold(I) complexes?

D. Gatineau, D. Lesage, H. Clavier, H. Dossmann, C. H. Chan, A. Milet, A. Memboeuf, R. B. Cole and Y. Gimbert, Dalton Trans., 2018, 47, 15497
DOI: 10.1039/C8DT03721C

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