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Negative linear compressibility of a one-dimensional interpenetrated metal–organic framework

Lookup NU author(s): Professor Mike ProbertORCiD

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Abstract

This journal is © The Royal Society of Chemistry, 2026.A metal–organic framework (MOF), UoB-200, with a necklace topology that exhibits rare 1D → 1D parallel interpenetration is reported. UoB-200 exhibits significant negative linear compressibility (NLC) over a pressure range up to 3.44 GPa. When pressure is applied, elongation along the crystallographic c axis is observed via a wine-rack mechanism. The experimental results are modelled by simulations, which closely reproduce the mechanical response and suggest that the presence of solvent within the UoB-200 pores has minimal impact on the NLC behaviour at comparatively low pressures.

Publication metadata

Author(s): Griffin SL, Longcake A, Mojsak M, Michalchuk AAL, Probert MR, Champness NR

Publication type: Article

Publication status: Published

Journal: Chemical Science

Year: 2026

Pages: epub ahead of print

Online publication date: 08/07/2026

Acceptance date: 08/07/2026

Date deposited: 27/07/2026

ISSN (print): 2041-6520

ISSN (electronic): 2041-6539

Publisher: Royal Society of Chemistry

URL: https://doi.org/10.1039/d6sc02574a

DOI: 10.1039/d6sc02574a

Data Access Statement: CCDC 2491679–2491689 (studies of UoB-200 at different temperatures) and 2473944–2473949 (high pressure studies of UoB-200) contain the supplementary crystallographic data for this paper.62a–q Supplementary information (SI): synthesis and crystal growth, details of crystallographic measurements and computational modelling. The X-ray crystallographic coordinates for structures reported in this study have been deposited at the Cambridge Crystallographic Data Centre (CCDC), under deposition numbers 2491679–2491689 (studies of UoB-200 at different temperatures, 2473944–2473949 (high pressure studies of UoB-200). See DOI:https://doi.org/10.1039/d6sc02574a

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