Issue 47, 2021

Solvent-controlled elongation and mechanochemical strain in a metal–organic framework

Abstract

Under high pressure, crystals of [Zn(m-btcp)2(bpdc)2]·2DMF·H2O, referred to as DMOF are particularly sensitive to the type of pressure-transmitting media (PTM) employed: large PTM molecules seal the pores and DMOF is compressed as a closed system, whereas small PTM molecules are pushed into the pores, thereby altering the stoichiometry of DMOF. Compression in glycerol and Daphne 7474 leads to negative linear compressibility (NLC), while a mixture of methanol : ethanol : water ‘hyperfills’ the pores of the chiral framework, adjusting its 3-dimensional strain and resulting in pressure-induced amorphization around 1.2 GPa. The uptake of the small-molecule PTM strongly increases the dimensions of DMOF in the direction perpendicular to that of the NLC of the crystal.

Graphical abstract: Solvent-controlled elongation and mechanochemical strain in a metal–organic framework

Supplementary files

Article information

Article type
Communication
Submitted
13 Jun 2021
Accepted
04 Nov 2021
First published
04 Nov 2021
This article is Open Access
Creative Commons BY license

Dalton Trans., 2021,50, 17478-17481

Solvent-controlled elongation and mechanochemical strain in a metal–organic framework

A. Półrolniczak, S. Sobczak, V. I. Nikolayenko, L. J. Barbour and A. Katrusiak, Dalton Trans., 2021, 50, 17478 DOI: 10.1039/D1DT01937F

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