Issue 21, 2004
From the journal:

Dalton Transactions

Effects of diphosphine structure on aurophilicity and luminescence in Au(i) complexes†‡

Aranzazu Pintado-Alba,a   Héctor de la Riva,a   Mark Nieuwhuyzen,a   Delia Bautista,b   Paul R. Raithby,cd   Hazel A. Sparkes,c   Simon J. Teat,d   José M. López-de-Luzuriagae  and  M. Cristina Lagunas*a  

* Corresponding authors

a School of Chemistry, The Queen's University of Belfast, Belfast, UK
E-mail: c.lagunas@qub.ac.uk
Fax: +44 (0)2890 382117
Tel: +44 (0)2890 974436

b Servicio Universitario de Instrumentación Científica, Universidad de Murcia, Murcia, Spain

c Department of Chemistry, University of Bath, Claverton Down, Bath, UK
E-mail: p.r.raithby@bath.ac.uk
Fax: +44 (0)1225 386231
Tel: +44 (0)1225 383183

d CCLRC Daresbury Laboratory, Warrington, UK

e Departamento de Química, Universidad de La Rioja, UA-CSIC, Logroño, Spain

Abstract

The effects of diphosphine flexibility and bite angle on the structures and luminescence properties of Au(I) complexes have been investigated. A range of diphosphines based on heteroaromatic backbones [bis(2-diphenylphosphino)phenylether (dpephos), 9,9-dimethyl-4,5-bis(diphenylphosphino)xanthene (xantphos), and 4,6-bis(diphenylphosphino)dibenzofuran (dbfphos)] has been used to prepare mono- and digold derivatives. A clear relationship between the presence of aurophilic contacts and the emission properties of dinuclear complexes has been observed, with one of the complexes studied, [Au2Cl2(μ-xantphos)], exhibiting luminescence thermochromism.

Graphical abstract: Effects of diphosphine structure on aurophilicity and luminescence in Au(i) complexes

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Article information

DOI
https://doi.org/10.1039/B410619A
Article type
Paper
Submitted
12 Jul 2004
Accepted
14 Sep 2004
First published
27 Sep 2004

Dalton Trans., 2004, 3459-3467

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Effects of diphosphine structure on aurophilicity and luminescence in Au(I) complexes

A. Pintado-Alba, H. de la Riva, M. Nieuwhuyzen, D. Bautista, P. R. Raithby, H. A. Sparkes, S. J. Teat, J. M. López-de-Luzuriaga and M. C. Lagunas, Dalton Trans., 2004, 3459 DOI: 10.1039/B410619A

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