Issue 23, 2002
From the journal:

Journal of the Chemical Society, Dalton Transactions

Luminescent high nuclearity Cu(i)-alkynyl clusters, [Cu16(hfac)8(3,3-dimethyl-1-butynyl)8] and [Cu20(hfac)8(3-phenyl-1-propynyl)12]

Christopher W. Baxter,a   Timothy C. Higgs,a   Anita C. Jones,a   Simon Parsons,a   Philip J. Baileya  and  Peter A. Tasker*a  

* Corresponding authors

a The Department of Chemistry, The King's Buildings, The University of Edinburgh, West Mains Road, Edinburgh, Scotland
E-mail: p.a.tasker@holyrood.ed.ac.uk

Abstract

Two novel high nuclearity copper(I) alkynyl complexes, [Cu16(hfac)8(C[triple bond, length as m-dash]CBut)8] (1) and [Cu20(hfac)8(C[triple bond, length as m-dash]CCH2Ph)12] (2), that consist of complicated alkynyl bridged Cu(I) cores ‘capped’ by peripheral hfac ligands have been synthesised and characterised by X-ray structure determination. The photoluminescent properties of 1 and 2 together with the clusters, [Cu18(hfac)10(C[triple bond, length as m-dash]CBun)8] (4) and [Cu26(hfac)11(C[triple bond, length as m-dash]CPrn)15] (5) and the monomeric species, [Cu(hfac)(HC[triple bond, length as m-dash]CCH2OMe)] (3), [Cu(hfac)(Me3SiC[triple bond, length as m-dash]CSiMe3)] (6) and [Cu(hfac)(COD)] (7) are reported. A comparison of the photoluminescent spectra of the high nuclearity species with the related monomeric complexes have shown that the cluster luminescence is derived from transitions within the delocalised Cu-hfac chelate ring.

Graphical abstract: Luminescent high nuclearity Cu(i)-alkynyl clusters, [Cu16(hfac)8(3,3-dimethyl-1-butynyl)8] and [Cu20(hfac)8(3-phenyl-1-propynyl)12]

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Article information

DOI
https://doi.org/10.1039/B207106C
Article type
Paper
Submitted
19 Jul 2002
Accepted
08 Oct 2002
First published
04 Nov 2002

J. Chem. Soc., Dalton Trans., 2002, 4395-4401

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Luminescent high nuclearity Cu(I)-alkynyl clusters, [Cu16(hfac)8(3,3-dimethyl-1-butynyl)8] and [Cu20(hfac)8(3-phenyl-1-propynyl)12]

C. W. Baxter, T. C. Higgs, A. C. Jones, S. Parsons, P. J. Bailey and P. A. Tasker, J. Chem. Soc., Dalton Trans., 2002, 4395 DOI: 10.1039/B207106C

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