Guest inclusion by Borromean weave coordination networks

Byrne, Peter, Lloyd, Gareth and Steed, Jonathan (2021) Guest inclusion by Borromean weave coordination networks. Journal of Coordination Chemistry, 74 . pp. 152-161. ISSN 0095-8972

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Guest inclusion by Borromean weave coordination networks
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Reaction of N,Nʺ-ethylene-1,2-diylbis(3-pyridin-3-ylurea) (L) with AgNO3 in a variety of solvents gives a total of five 2-D Borromean weave coordination polymer networks that adopt three structural types depending on the interactions to the solvent pocket. The Borromean network is of formula [Ag2(L)3](NO3)2·solvent where the solvent is either a cluster of water molecules, mixtures of water and acetonitrile, water and methanol or chloroform and methanol. The Borromean structure is a thermodynamic sink and under fast crystallization conditions an alternative 2 + 2 metallomacrocycle forms that can result in metallogel formation. The metallogel structure transforms into the crystalline Borromean network over time.

Keywords:Borromean, chemical topology, coordination polymer, silver, bis(urea)
Subjects:F Physical Sciences > F131 Crystallography
F Physical Sciences > F100 Chemistry
Divisions:College of Science > School of Chemistry
ID Code:46319
Deposited On:03 Sep 2021 10:11

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