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McMonagle CJ, Turner GF, Jones I, Allan DR, Warren MR, Kamenev KV, Parsons S, Wright PA, Moggach SA. Pressure and guest-mediated pore shape modification in a small pore MOF to 1200 bar. Chem Commun (Camb) 2022; 58:11507-11510. [PMID: 36134460 DOI: 10.1039/d2cc04649k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Guest-mediated pore-shape modification of the metal-organic framework, Sc2BDC3 upon adsorption of n-pentane and isopentane is examined from 50-1200 bar. Rotation of the BDC linker responsible for the change in pore shape occurs at much lower pressures than previously reported, with distinct adsorption behaviour observed between pentane isomers.
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Affiliation(s)
| | - Gemma F Turner
- School of Molecular Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, Perth, 6009, Western Australia, Australia.
| | - Isabelle Jones
- School of Molecular Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, Perth, 6009, Western Australia, Australia.
| | - David R Allan
- Diamond Light Source, Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Fermi Avenue, Didcot, OX11 0DE, UK
| | - Mark R Warren
- Diamond Light Source, Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Fermi Avenue, Didcot, OX11 0DE, UK
| | - Konstantin V Kamenev
- Centre for Science at Extreme Conditions and School of Engineering, The University of Edinburgh, King's Buildings, West Mains Road, Edinburgh EH9 3FJ, UK
| | - Simon Parsons
- EastChem School of Chemistry, Joseph Black Building, The University of Edinburgh, David Brewster Road, Edinburgh EH9 3FJ, UK
| | - Paul A Wright
- EastChem School of Chemistry, The University of St Andrews, Purdie Building, St Andrews, KY16 9ST, UK
| | - Stephen A Moggach
- School of Molecular Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, Perth, 6009, Western Australia, Australia.
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Finger R, Kurtzemann N, Hansen TC, Kohlmann H. Design and use of a sapphire single-crystal gas-pressure cell for in situ neutron powder diffraction. J Appl Crystallogr 2021; 54:839-846. [PMID: 34188615 PMCID: PMC8202029 DOI: 10.1107/s1600576721002685] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 03/10/2021] [Indexed: 11/11/2022] Open
Abstract
A sapphire single-crystal gas-pressure cell without external support allowing unobstructed optical access by neutrons has been developed and optimized for elastic in situ neutron powder diffraction using hydrogen (deuterium) gas at the high-intensity two-axis diffractometer D20 at the Institut Laue-Langevin (Grenoble, France). Given a proper orientation of the single-crystal sample holder with respect to the detector, parasitic reflections from the sample holder can be avoided and the background can be kept low. Hydrogen (deuterium) gas pressures of up to 16.0 MPa at 298 K and 8.0 MPa at 655 K were tested successfully for a wall thickness of 3 mm. Heating was achieved by a two-sided laser heating system. The typical time resolution of in situ investigations of the reaction pathway of hydrogen (deuterium) uptake or release is on the order of 1 min. Detailed descriptions of all parts of the sapphire single-crystal gas-pressure cell are given, including materials information, technical drawings and instructions for use.
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Affiliation(s)
- Raphael Finger
- Inorganic Chemistry, Leipzig University, Johanisallee 29, 04103 Leipzig, Germany
| | - Nadine Kurtzemann
- Inorganic Chemistry, Leipzig University, Johanisallee 29, 04103 Leipzig, Germany
| | - Thomas C. Hansen
- Institut Laue–Langevin, 71 avenue des Martyrs, Grenoble 38000, France
| | - Holger Kohlmann
- Inorganic Chemistry, Leipzig University, Johanisallee 29, 04103 Leipzig, Germany
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