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Issue 15, 2017
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How 2-periodic coordination networks are interweaved: entanglement isomerism and polymorphism

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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

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Publication details

The article was received on 14 Feb 2017, accepted on 15 Mar 2017 and first published on 15 Mar 2017


Article type: Highlight
DOI: 10.1039/C7CE00313G
Citation: CrystEngComm, 2017,19, 1993-2006
  • Open access: Creative Commons BY license
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    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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