A reversible photochemical solid-state transformation in an interpenetrated 3D metal-organic framework with mechanical softness

We synthesized a two-fold interpenetrated 3D MOF with two crystallographically distinct C&z.dbd;C bonds, which undergoes [2+2] photo-cycloaddition and thermal reversible reaction, in a single-crystal-to-single-crystal (SCSC) manner. The softer nature and comparable mechanical properties of the c...

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Published inChemical communications (Cambridge, England) Vol. 55; no. 83; pp. 12515 - 12518
Main Authors Pahari, Goutam, Bhattacharya, Biswajit, Reddy, C. Malla, Ghoshal, Debajyoti
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 15.10.2019
Subjects
Crystallography
Cycloaddition
Mechanical properties
Metal-organic frameworks
Nanoindentation
Single crystals
Softness
Transformations
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Summary:We synthesized a two-fold interpenetrated 3D MOF with two crystallographically distinct C&z.dbd;C bonds, which undergoes [2+2] photo-cycloaddition and thermal reversible reaction, in a single-crystal-to-single-crystal (SCSC) manner. The softer nature and comparable mechanical properties of the crystals of the parent and cyclized MOFs revealed by nanoindentation allowed rationalizing their structural softness and SCSC transformation behaviour. A reversible solid state structural transformation via a topochemical [2+2] cycloaddition reaction of a MOF has been correlated with the mechanical softness of the corresponding crystals of the MOFs.
Bibliography:For ESI and crystallographic data in CIF or other electronic format see DOI
1922213-1922215
Electronic supplementary information (ESI) available: Different structural figures and tables, FT-IR, PXRD, TGA, UV-Vis, sorption study and face indexing along with detailed experimental procedures. CCDC
10.1039/c9cc04765d
ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc04765d