Issue 23, 2000
From the journal:

Journal of the Chemical Society, Dalton Transactions

Long-range chain orientation in 1-D co-ordination polymers as a function of anions and intermolecular aromatic interactions

Alexander J. Blake,a   Gerhard Baum,b   Neil R. Champness,*a   Simon S. M. Chung,a   Paul A. Cooke,a   Dieter Fenske,b   Andrei N. Khlobystov,a   Dmitrii A. Lemenovskii,c   Wan-Sheung Lia  and  Martin Schröder*a  

* Corresponding authors

a School of Chemistry, The University of Nottingham, University Park, Nottingham, UK

b Institut für Anorganische Chemie, Universität Karlsruhe, Engesserstr. Geb-Nr. 30.45, Karlsruhe, Germany

c Department of Chemistry, M.V.Lomonosov Moscow State University, Moscow, Russia

Abstract

The influence of anions and intermolecular aromatic interactions on the orientation of one dimensional silver(I) co-ordination polymers has been studied. Reaction of AgX with 2,7-diazapyrene (diaz) (X = BF4− or NO3−), 1,4-bis(4-pyridyl)butadiyne (pybut) (X = BF4−, NO3−, PF6− or MeCO2−), 4,4′-bipy (X = BF4−) or 1,4-bis(4-pyridylethynyl)phenylene (pyphe) (X = PF6−) afforded products of general formula {[Ag(ligand)]X}∞. All of the products have been structurally characterised by single crystal X-ray diffraction confirming that they exist as one-dimensional linear chain co-ordination polymers. The arrangement of the chains with respect to each other in the solid state is discussed and evaluated in terms of the relative co-ordinating ability of the anion used and the tendency of the N-donor ligand to adopt intermolecular aromatic interactions. For the complexes of diaz the overriding force in controlling chain orientation was shown to be π–π interactions between diaz ligands on adjacent chains. In the case of the pybut complexes the most dominant forces were shown to be metal–anion interactions with aromatic π–π interactions and Ag ⋯ Ag interactions playing a less influential role. In the case of {[Ag(pyphe)]PF6}∞ Ag ⋯ aromatic interactions are important in the overall arrangement of adjacent chains.

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Article information

DOI
https://doi.org/10.1039/B006202M
Article type
Paper
Submitted
01 Aug 2000
Accepted
06 Oct 2000
First published
16 Nov 2000

J. Chem. Soc., Dalton Trans., 2000, 4285-4291

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Long-range chain orientation in 1-D co-ordination polymers as a function of anions and intermolecular aromatic interactions

A. J. Blake, G. Baum, N. R. Champness, S. S. M. Chung, P. A. Cooke, D. Fenske, A. N. Khlobystov, D. A. Lemenovskii, W. Li and M. Schröder, J. Chem. Soc., Dalton Trans., 2000, 4285 DOI: 10.1039/B006202M

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