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Abstract
High-pressure single crystal X-ray diffraction has been used to probe framework-guest interactions in the Co-based metal-organic framework ZIF-67 during compression in 4 : 1 MeOH : EtOH and liquid nitrogen (LN2) pressure-transmitting media. On increasing pressure, the structure undergoes a gate-opening phase transition, characterised by rotation of the 2-methylimidazolate ligand, at 1.57 GPa in MeOH : EtOH and at 0.43 GPa LN2. Adsorption of N2 occurred progressively with increasing pressure into 6 adsorption sites and resulted in the first documented instance of pressure-induced solvatochromism in ZIF-67.
Original language | English |
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Pages (from-to) | 6533-6538 |
Number of pages | 6 |
Journal | CrystEngComm |
Volume | 25 |
Issue number | 47 |
DOIs | |
Publication status | Published - 22 Nov 2023 |
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Anomalous Structural Response in Porous Framework Materials
Moggach, S. (Investigator 01) & Keppert, C. (Investigator 02)
ARC Australian Research Council
1/11/22 → 30/10/25
Project: Research
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Fill it, Squeeze it, Crush it: Extreme Gas Uptake in Microporous Materials
Moggach, S. (Investigator 01)
ARC Australian Research Council
1/10/20 → 30/09/24
Project: Research