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Determination of the dehydration pathway in a flexible metal-organic framework by dynamic in situ x-ray diffraction.

ABSTRACT: Understanding guest exchange processes in metal-organic frameworks is an important step toward the rational design of functional materials with tailor-made properties. The dehydration of the flexible metal-organic framework [Co(AIP)(bpy)0.5(H2O)]•2H2O was studied by novel in situ dynamic x-ray diffraction techniques. The complex mechanism of dehydration, along with the as-yet unreported metastable structures, was determined. The structural information obtained by the application of these techniques helps to elucidate the important guest-host interactions involved in shaping the structural landscape of the framework lattice and to highlight the importance of utilizing this technique in the characterization of functional framework materials.

SUBMITTER: Walton IM 

PROVIDER: S-EPMC7316513 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Determination of the dehydration pathway in a flexible metal-organic framework by dynamic <i>in situ</i> x-ray diffraction.

Walton Ian M IM   Cox Jordan M JM   Myers Shea D SD   Benson Cassidy A CA   Mitchell Travis B TB   Bateman Gage S GS   Sylvester Eric D ED   Chen Yu-Sheng YS   Benedict Jason B JB  

Structural Dynamics 20200501 3

Understanding guest exchange processes in metal-organic frameworks is an important step toward the rational design of functional materials with tailor-made properties. The dehydration of the flexible metal-organic framework [Co(AIP)(bpy)0.5(H<sub>2</sub>O)]•2H<sub>2</sub>O was studied by novel <i>in situ</i> dynamic x-ray diffraction techniques. The complex mechanism of dehydration, along with the as-yet unreported metastable structures, was determined. The structural information obtained by the  ...[more]