Solvent exchange in a metal-organic framework single crystal monitored by dynamic in situ X-ray diffraction.

Acta Crystallogr B Struct Sci Cryst Eng Mater 2017 Aug 25;73(Pt 4):669-674. Epub 2017 Jul 25.

Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260-3000, USA.

Understanding the processes by which porous solid-state materials adsorb and release guest molecules would represent a significant step towards developing rational design principles for functional porous materials. To elucidate the process of liquid exchange in these materials, dynamic in situ X-ray diffraction techniques have been developed which utilize liquid-phase chemical stimuli. Using these time-resolved diffraction techniques, the ethanol solvation process in a flexible metal-organic framework [Co(AIP)(bpy)(HO)]·2HO was examined. The measurements provide important insight into the nature of the chemical transformation in this system including the presence of a previously unreported neat ethanol solvate structure.

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http://dx.doi.org/10.1107/S2052520617008447DOI Listing
August 2017
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