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Guest inclusion by Borromean weave coordination networks

Byrne, Peter and Lloyd, Gareth O. and Steed, Jonathan W. (2021) 'Guest inclusion by Borromean weave coordination networks.', Journal of Coordination Chemistry, 74 (1-3). pp. 152-161.


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.

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Publisher statement: 2021 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
Date accepted:04 January 2021
Date deposited:12 February 2021
Date of first online publication:21 January 2021
Date first made open access:19 May 2021

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