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

被引：3

作者：

Polrolniczak, Aleksandra ^{[1
]}

Sobczak, Szymon ^{[1
]}

Nikolayenko, Varvara, I ^{[2
]}

Barbour, Leonard J. ^{[2
]}

Katrusiak, Andrzej ^{[1
]}

机构：

[1] Adam Mickiewicz Univ, Fac Chem, Dept Mat Chem, Umultowska 89b, PL-61614 Poznan, Poland

[2] Univ Stellenbosch, Dept Chem & Polymer Sci, ZA-7602 Matieland, South Africa

来源：

DALTON TRANSACTIONS | 2021年 / 50卷 / 47期

基金：

新加坡国家研究基金会;

关键词：

PRESSURE; PHOTOCHROMISM;

D O I：

10.1039/d1dt01937f

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Under high pressure, crystals of [Zn(m-btcp)(2)(bpdc)(2)]center dot 2DMF center dot 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.

引用

页码：17478 / 17481

页数：4

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