Issue 8, 2001
From the journal:

Journal of the Chemical Society, Dalton Transactions

One- and two-dimensional coordination polymers of zinc(II) with pyrazine. Solid state reactions and decomposition kinetics of the interconversion reactions

Susan A. Bourne,*a   Mairi Kilkennya  and  Luigi R. Nassimbenia  

* Corresponding authors

a Department of Chemistry, University of Cape Town, Rondebosch, South Africa

Abstract

The reaction of zinc(II) bromide with pyrazine yielded the two coordination polymers [ZnBr2(pyz)] 1 and [ZnBr2(pyz)2] 2. Crystal structures of these two compounds show that 1 is a 1-D zigzag chain polymer while 2 forms a regular square-grid (4,4) network. Adjacent grids in 2 are slipped in one direction so that the axial bromide ions on one layer project into the cavities of the grids in adjacent layers. The solid-state reaction of 1 with pyrazine yields 2, and 2 in its turn is readily converted into 1 by heating. The activation energy of the latter process has been determined as 99.8 kJ mol−1.

Graphical abstract: One- and two-dimensional coordination polymers of zinc(II) with pyrazine. Solid state reactions and decomposition kinetics of the interconversion reactions

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Article information

DOI
https://doi.org/10.1039/B009771N
Article type
Paper
Submitted
06 Dec 2000
Accepted
20 Feb 2001
First published
27 Mar 2001

J. Chem. Soc., Dalton Trans., 2001, 1176-1179

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One- and two-dimensional coordination polymers of zinc(II) with pyrazine. Solid state reactions and decomposition kinetics of the interconversion reactions

S. A. Bourne, M. Kilkenny and L. R. Nassimbeni, J. Chem. Soc., Dalton Trans., 2001, 1176 DOI: 10.1039/B009771N

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