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A reversible pressure-induced bond rearrangement of flexible lanthanide 2,5-bis(allyloxy)terephthalate coordination polymer networks

Lookup NU author(s): Dr Lucy Hunter, Dr Jon Sellars, Professor Mike ProbertORCiD

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

© 2022 The Royal Society of Chemistry. Flexible coordination polymer networks reveal a plethora of structural transformations when exposed to high pressure as an external stimulus. Transformations are driven through organic linkers in a variety of ways, such as bond rotations, rearrangements and conformational shifts. We have successfully synthesised two sets of isostructural lanthanide coordination polymer networks that differ as a consequence of the lanthanide contraction. We have demonstrated that a pressure-induced reversible phase transition is possible between the two structurally distinct sets of networks. The system demonstrates a bond rearrangement due to an alteration of carboxylic acid binding modes from the 2,5-bis(allyloxy)terephthalate linker in addition to bond rotations within the flexible carbon backbone of the linker between 30-35 kbar.

Publication metadata

Author(s): Hunter LR, Sellars JD, Probert MR

Publication type: Article

Publication status: Published

Journal: CrystEngComm

Year: 2022

Volume: 24

Issue: 47

Pages: 8208-8212

Print publication date: 21/12/2022

Online publication date: 10/11/2022

Acceptance date: 28/10/2022

Date deposited: 16/06/2023

ISSN (electronic): 1466-8033

Publisher: Royal Society of Chemistry

URL: https://doi.org/10.1039/D2CE00499B

DOI: 10.1039/d2ce00499b

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