Issue 8, 2009
From the journal:

CrystEngComm

Modulating topologies and magnetic properties of coordination polymers using 2,2′-bipyridine and 5-aminodiacetic isophthalic acid as ligands†

David P. Walsh,a   Rodolphe Clérac,*bc   Nigel G. R. Hearns,bc   Paul E. Krugerd  and  Wolfgang Schmitt*a  

* Corresponding authors

a Centre for Synthesis and Chemical Biology (CSCB), School of Chemistry, University of Dublin, Trinity College, Dublin 2, Ireland
E-mail: schmittw@tcd.ie
Fax: +353 1 671 2826
Tel: +353 1 896 3495

b CNRS, UPR 8641, Centre de Recherche Paul Pascal (CRPP), Equipe “Matériaux Moléculaires Magnétiques”, 115 avenue du Dr. Albert Schweitzer, Pessac, France
E-mail: clerac@crpp-bordeaux.cnrs.fr
Fax: +33 5 56 84 56 00
Tel: +33 5 56 84 56 50

c Université de Bordeaux, UPR 8641, Pessac, France

d Department of Chemistry, University of Canterbury, Te Whare Wananga o Waitaha, Private Bag 4800, Christchurch, New Zealand

Abstract

We describe a synthetic methodology to prepare 1D coordination polymers using 5-aminodiacetic isophthalic acid (H4adip) as chelating agent and 2,2′-bipyridine (bpy) as an auxiliary ligand. The function of the latter is to block two coordination sites on the metal(II) centres thus avoiding the formation of 3D networks and directing the assembly into low dimensional networks. The compounds [CoII2(adip)(bpy)(H2O)4]·3H2O (1), [NiII2(adip)(bpy)(H2O)4]·3H2O (2) and [CuII(H2adip)(bpy)] (3) were synthesised under hydrothermal reaction conditions with the motivation to investigate spin interactions in these 1D chain structures. We report the structures of the compounds and investigate and model their magnetic properties. The supramolecular structures of 1–3 are characterised by inter- and intra-chain π–π interactions and hydrogen bonding.

Graphical abstract: Modulating topologies and magnetic properties of coordination polymers using 2,2′-bipyridine and 5-aminodiacetic isophthalic acid as ligands

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Article information

DOI
https://doi.org/10.1039/B902010A
Article type
Paper
Submitted
30 Jan 2009
Accepted
06 Apr 2009
First published
29 Apr 2009

CrystEngComm, 2009,11, 1666-1673

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Modulating topologies and magnetic properties of coordination polymers using 2,2′-bipyridine and 5-aminodiacetic isophthalic acid as ligands

D. P. Walsh, R. Clérac, N. G. R. Hearns, P. E. Kruger and W. Schmitt, CrystEngComm, 2009, 11, 1666 DOI: 10.1039/B902010A

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