Issue 7, 2009
From the journal:

Dalton Transactions

Azacrown ether–copper(ii)–hexanoate complexes. From monomer to 1-D metal organic polymer†

Kamil Wojciechowski,*ab   Anna Bitner,a   Gérald Bernardinellic  and  Marcin Bryndad  

* Corresponding authors

a Department of Analytical Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland

b Analytical and Biophysical Environmental Chemistry (CABE) Department of Analytical, Inorganic and Applied Chemistry, Sciences II, 30 quai E. Ansermet, CH-1211 Geneve 4, Suisse

c Laboratory of X-Ray Crystallography, University of Geneva. 24, quai E. Ansermet, CH-1211 Geneva 4, Switzerland

d Department of Chemistry, University of Calfornia, Davis. One Shields Avenue, 95616 Davis, USA

Abstract

The synthesis and characterisation of two new Cu(II)-hexanoate-azacrown ether species are described. The first monomeric complex is a “classical” macrocyclic Cu(II) complex with two monodentate axially coordinated carboxylates serving as counterions. The second is an adduct of the former complex with the copper(II) hexanoate paddlewheel dimer, Cu2(hexanoate)4, forming an infinite 1-D chain of alternating monomer–dimer units. The electronic and magnetic properties of both species are discussed based on UV-vis, IR, X-ray and EPR studies combined with the DFT calculations. The UV-vis titration results prove that complex 1 and the polymeric species 2 are in equilibrium in toluene solution.

Graphical abstract: Azacrown ether–copper(ii)–hexanoate complexes. From monomer to 1-D metal organic polymer

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Article information

DOI
https://doi.org/10.1039/B811374B
Article type
Paper
Submitted
04 Jul 2008
Accepted
28 Oct 2008
First published
06 Jan 2009

Dalton Trans., 2009, 1114-1122

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Azacrown ether–copper(II)–hexanoate complexes. From monomer to 1-D metal organic polymer

K. Wojciechowski, A. Bitner, G. Bernardinelli and M. Brynda, Dalton Trans., 2009, 1114 DOI: 10.1039/B811374B

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