biostudies-literatureYu MHNational Natural Science Foundation of ChinaIntramural NIST DOCNational Science Foundation17703-17712https://www.ebi.ac.uk/biostudies/studies/S-EPMC7927981biostudies-literatureUnknown141(44)Physical adsorption of gas molecules in microporous materials is an exothermic process, with desorption entropy driving a decrease in uptake with temperature. Enhanced gas sorption with increasing temperature is rare in porous materials and is indicative of sorbate initiated structural change. Here, sorption of C<sub>2</sub>H<sub>6</sub>, C<sub>3</sub>H<sub>6</sub>, and C<sub>3</sub>H<sub>8</sub> in a flexible microporous metal-organic framework (MOF) {Cu(FPBDC)]·DMF}<sub><i>n</i></sub> (<b>NKU-FlexMOF-1</b>) (H<sub>2</sub>FPBDC = 5-(5-fluoropyridin-3-yl)-1,3-benzenedicarboxylic acid) that increases with rising temperature over a practically useful temperature and pressure range is reported along with other small molecule and hydrocarbon sorption isotherms. Single X-ray diffraction studiesJournal of the American Chemical SocietyEnhanced Gas Uptake in a Microporous Metal-Organic Framework <i>via</i> a Sorbate Induced-Fit Mechanism.PMC79279812142100121531005DMR-16079892167312091856129999-NISTCHE-153159021606163Li WSpace BFranz DHe CYu MHKrishna RHu TLZhou WBu XHChang ZLi LfalseEnhanced Gas Uptake in a Microporous Metal-Organic Framework <i>via</i> a Sorbate Induced-Fit Mechanism.Physical adsorption of gas molecules in microporous materials is an exothermic process, with desorption entropy driving a decrease in uptake with temperature. Enhanced gas sorption with increasing temperature is rare in porous materials and is indicative of sorbate initiated structural change. Here, sorption of C<sub>2</sub>H<sub>6</sub>, C<sub>3</sub>H<sub>6</sub>, and C<sub>3</sub>H<sub>8</sub> in a flexible microporous metal-organic framework (MOF) {Cu(FPBDC)]·DMF}<sub><i>n</i></sub> (<b>NKU-FlexMOF-1</b>) (H<sub>2</sub>FPBDC = 5-(5-fluoropyridin-3-yl)-1,3-benzenedicarboxylic acid) that increases with rising temperature over a practically useful temperature and pressure range is reported along with other small molecule and hydrocarbon sorption isotherms. Single X-ray diffraction studies2019-01-01T00:00:00Z2019 Nov2026-05-08T15:23:56.164Z2021-03-06T08:10:24ZS-EPMC79279813160367210.1021/jacs.9b07807