Issue 59, 2021

Unprecedented [d9]Cu⋯[d10]Au coinage bonding interactions in {Cu(NH3)4[Au(CN)2]}+[Au(CN)2] salt

Abstract

The X-ray structure of the {Cu(NH3)4[Au(CN)2]}+[Au(CN)2] salt is reported showing an unprecedented [d9]Cu⋯[d10]Au coinage bond. The physical nature of the interaction has been studied using DFT calculations, including the quantum theory of atoms-in-molecules, the noncovalent interaction plot and the natural bond orbital analysis, revealing the nucleophilic role of the [d10]Au metal and the electrophilic role of [d9]Cu metal.

Graphical abstract: Unprecedented [d9]Cu⋯[d10]Au coinage bonding interactions in {Cu(NH3)4[Au(CN)2]}+[Au(CN)2]− salt

Supplementary files

Article information

Article type
Communication
Submitted
23 May 2021
Accepted
23 Jun 2021
First published
23 Jun 2021

Chem. Commun., 2021,57, 7268-7271

Unprecedented [d9]Cu⋯[d10]Au coinage bonding interactions in {Cu(NH3)4[Au(CN)2]}+[Au(CN)2] salt

E. Priola, G. Mahmoudi, J. Andreo and A. Frontera, Chem. Commun., 2021, 57, 7268 DOI: 10.1039/D1CC02709C

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