Issue 11, 2001
From the journal:

Journal of the Chemical Society, Dalton Transactions

Trinuclear copper(II) complexes with bridging (N–N) diazineligands: structural and magnetic studies

Liang Zhao,a   Laurence K. Thompson,*a   Zhiqiang Xu,a   David O. Millera  and  David R. Stirlinga  

* Corresponding authors

a Department of Chemistry, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada

Abstract

The polytopic ligands 2poap and po2p have a linear disposition of coordination pockets suitably disposed to bind metal ions in close proximity and produce linear trinuclear copper(II) complexes. The complexes [Cu3(2poap − 2H)(CH3CO2)4]·3H2O (1), [Cu3(2poap − 2H)(H2O)(DMF )3(CH3OH)2](BF4)4 (2), and [Cu3(po2p − H)2(H2O)2](ClO4)4·2H2O (3) have a linear arrangement of Cu(II) centres linked by a trans arrangement of N–N single bonds. Each metal is assigned a dx2 − y2 magnetic ground state, and the trans diazine bridging arrangement leads to strong antiferromagnetic coupling in complete agreement with previous magnetostructural correlations relating the twist of the copper magnetic planes around the N–N bond to the exchange integral.

Graphical abstract: Trinuclear copper(II) complexes with bridging (N–N) diazine ligands: structural and magnetic studies

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Article information

DOI
https://doi.org/10.1039/B008768H
Article type
Paper
Submitted
31 Oct 2000
Accepted
30 Mar 2001
First published
02 May 2001

J. Chem. Soc., Dalton Trans., 2001, 1706-1710

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Trinuclear copper(II) complexes with bridging (N–N) diazine ligands: structural and magnetic studies

L. Zhao, L. K. Thompson, Z. Xu, D. O. Miller and D. R. Stirling, J. Chem. Soc., Dalton Trans., 2001, 1706 DOI: 10.1039/B008768H

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