Issue 5, 2004
From the journal:

Dalton Transactions

Novel one-dimensional structures and solution behaviour of copper(ii) bromide and chloride complexes of a new pentapyridyldiamine ligand†

David G. Lonnon,a   Donald C. Craig,a   Stephen B. Colbran*a  and  Paul V. Bernhardtb  

* Corresponding authors

a School of Chemical Sciences, University of New South Wales, Sydney, NSW 2052, Australia

b Department of Chemistry, University of Queensland, St Lucia, QLD 4072, Australia

Abstract

Copper(II) bromide and chloride complexes of the new heptadentate ligand 2,6-bis(bis(2-pyridylmethyl)amino)methylpyridine (L) have been prepared. For the bromide complexes, chains of novel, approximately C2-symmetric, chiral [Cu2(L)Br2]2+ ‘wedge-shaped’ tectons are found. The links between the dicopper tectons and the overall chirality and packing of the chains are dictated by the bromide ion content, not the counter anion. In contrast, the chloride complexes exhibit linked asymmetric [Cu2(L)Cl3]+ tectons with distinct N3CuCl2 and N4CuCl2 centres in the solid. The overall structures of the dicopper bromide and chloride units persist in solution irrespective of the halide. The redox chemistry of the various species is also described.

Graphical abstract: Novel one-dimensional structures and solution behaviour of copper(ii) bromide and chloride complexes of a new pentapyridyldiamine ligand

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Article information

DOI
https://doi.org/10.1039/B315202B
Article type
Paper
Submitted
25 Nov 2003
Accepted
23 Jan 2004
First published
10 Feb 2004

Dalton Trans., 2004, 778-787

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Novel one-dimensional structures and solution behaviour of copper(II) bromide and chloride complexes of a new pentapyridyldiamine ligand

D. G. Lonnon, D. C. Craig, S. B. Colbran and P. V. Bernhardt, Dalton Trans., 2004, 778 DOI: 10.1039/B315202B

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