Macrocyclic ligand design: Structure—function relationships involving the interaction of cobalt(II), nickel(II) and copper(II) with mixed donor macrocyclic ligands

Carol A Davis; Paul A Duckworth; Anthony J Leong; Leonard F Lindoy; Alan Bashall; Mary McPartlin

doi:10.1016/S0020-1693(97)06072-6

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Macrocyclic ligand design: Structure—function relationships involving the interaction of cobalt(II), nickel(II) and copper(II) with mixed donor macrocyclic ligands

Journal article

Peer reviewed

Macrocyclic ligand design: Structure—function relationships involving the interaction of cobalt(II), nickel(II) and copper(II) with mixed donor macrocyclic ligands

Carol A Davis, Paul A Duckworth, Anthony J Leong, Leonard F Lindoy, Alan Bashall and Mary McPartlin

Inorganica Chimica Acta, Vol.273(1-2), pp.372-378

1998

DOI: https://doi.org/10.1016/S0020-1693(97)06072-6

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Abstract

macrocyclic ligand complexes

transition metal complexes

crystal structures

stability constants

A comparative investigation of the interaction of Co(II), Ni(II) and Cu(II) with a series of mixed-donor dibenzo-substituted macrocyclic ligands, incorporating O2N3-, O2N4-, O3N2-, O3N3- and O4N2-donor sets, has been carried out. The thermodynamic stabilities of the respective complexes in 95% methanol (I = 0.1; Et4NClO4, 25°C) have been determined. All ligands form 1:1 (metal:ligand) species with the above metal ions although, in a few instances, species of type MLH2+ were also detected. In an attempt to elucidate ligand structure/function relationships, an analysis of the effect of variation of ligand backbone and/or donor atom set on the respective complex stabilities has been carried out; the results are compared with those obtained previously for related mixed-donor (cyclic) systems. The X-ray structure of the nickel(II) nitrate complex of the O3N3-donor macrocycle (V) is presented. C23H35N5NiO10 crystallised in the monoclinic space group P21/n, with a = 17.201(3), b = 11.341(2), c = 14.742(3) Å, β = 104.34(2)° and Z = 4.

Details

Title: Macrocyclic ligand design: Structure—function relationships involving the interaction of cobalt(II), nickel(II) and copper(II) with mixed donor macrocyclic ligands
Authors: Carol A Davis (Author) - Sunshine Coast University College (Legacy)
Paul A Duckworth (Author) - James Cook University
Anthony J Leong (Author) - James Cook University
Leonard F Lindoy (Author) - University of Sydney
Alan Bashall (Author) - University of North London (London, UK) - UNL
Mary McPartlin (Author) - University of North London (London, UK) - UNL
Publication details: Inorganica Chimica Acta, Vol.273(1-2), pp.372-378
Publisher: Elsevier BV
DOI: 10.1016/S0020-1693(97)06072-6
ISSN: 1873-3255
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99523406602621
Output Type: Journal article

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Web Of Science research areas: Chemistry, Inorganic & Nuclear

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