Issue 15, 2017

How 2-periodic coordination networks are interweaved: entanglement isomerism and polymorphism

Abstract

The entanglements of 1319 2-periodic coordination polymers are examined and fully classified using the extended ring nets (ERNs) approach. The ERNs characterize the entanglement to the greatest detail ever achieved: all possible classes/types/modes of entanglements observed and reported in the literature so far result in 216 ERN topologically distinct modes of entanglements with 74% of all the structures falling into only 21 of them. We also introduce the notion of entanglement isomerism to designate the coordination polymers that have the same chemical composition, local and overall topology, but differ by their catenation patterns as mapped into their ERNs.

Graphical abstract: How 2-periodic coordination networks are interweaved: entanglement isomerism and polymorphism

Supplementary files

Article information

Article type
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Submitted
14 2月 2017
Accepted
15 3月 2017
First published
15 3月 2017
This article is Open Access
Creative Commons BY license

CrystEngComm, 2017,19, 1993-2006

How 2-periodic coordination networks are interweaved: entanglement isomerism and polymorphism

E. V. Alexandrov, V. A. Blatov and D. M. Proserpio, CrystEngComm, 2017, 19, 1993 DOI: 10.1039/C7CE00313G

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