Single-crystal-to-single-crystal guest exchange in columnar assembled brominated triphenylamine bis-urea macrocycles

Self-assembly of brominated triphenylamine bis-urea macrocycles affords robust porous materials. Urea hydrogen bonds organize these building blocks into 1-dimensional columns, which pack via halogen-aryl interactions. The crystals are stable when emptied, present two distinct absorption sites for Xe...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2019-05, Vol.55 (39), p.5619-5622
Main Authors: Sindt, Ammon J, Smith, Mark D, Berens, Samuel, Vasenkov, Sergey, Bowers, Clifford R, Shimizu, Linda S
Format: Article
Language:English
Subjects:
Aromatic compounds
Bromination
Crystallography
Dimensional stability
Exchanging
Hydrogen bonds
Porous materials
Self-assembly
Single crystals
Ureas
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Summary:Self-assembly of brominated triphenylamine bis-urea macrocycles affords robust porous materials. Urea hydrogen bonds organize these building blocks into 1-dimensional columns, which pack via halogen-aryl interactions. The crystals are stable when emptied, present two distinct absorption sites for Xe with restricted Xe diffusion, and exhibit single-crystal-to-single-crystal guest exchange.
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc01725a