Issue 10, 2015
From the journal:

Chemical Science

A hexanuclear gold carbonyl cluster†‡

Sonia Martínez-Salvador,a   Larry R. Falvello, ORCID logo b   Antonio Martína  and  Babil Menjón ORCID logo *a  

* Corresponding authors

a Instituto de Síntesis Química y Catálisis Homogénea (iSQCH), CSIC – Universidad de Zaragoza, C/Pedro Cerbuna 12, E-50009 Zaragoza, Spain
E-mail: menjon@unizar.es

b Instituto de Ciencia de Materiales de Aragón (ICMA), CSIC – Universidad de Zaragoza, C/Pedro Cerbuna 12, E-50009 Zaragoza, Spain

Abstract

The hexanuclear gold carbonyl cluster [PPh4]2[Au6(CF3)6Br2(CO)2] (4) has been obtained by spontaneous self-assembly of the following independent units: CF3AuCO (1) and [PPh4][Br(AuCF3)2] (3). The cyclo-Au6 aggregate 4, in which the components are held together by unassisted, fairly strong aurophilic interactions (Au⋯Au ∼310 pm), exhibits a cyclohexane-like arrangement with chair conformation. These aurophilic interactions also result in significant ν(CO) lowering: from 2194 cm−1 in the separate component 1 to 2171 cm−1 in the mixed aggregate 4. Procedures to prepare the single-bridged dinuclear component 3 as well as the mononuclear derivative [PPh4][CF3AuBr] (2) are also reported.

Graphical abstract: A hexanuclear gold carbonyl cluster

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Article information

DOI
https://doi.org/10.1039/C5SC01578B
Article type
Edge Article
Submitted
30 Apr 2015
Accepted
12 Jun 2015
First published
15 Jun 2015
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2015,6, 5506-5510

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A hexanuclear gold carbonyl cluster

S. Martínez-Salvador, L. R. Falvello, A. Martín and B. Menjón, Chem. Sci., 2015, 6, 5506 DOI: 10.1039/C5SC01578B

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