The Mouse in a Trap: Observation of a C(sp3)–F···F–C(sp3) Interaction in a Discrete CFC Pair by the Crystal Sponge Method

Herein we report the X-ray characterization of a pair of CCl3F (CFC-11) molecules trapped in a molecular sponge. The encapsulated molecules are arranged in two crystallographically independent relative orientations inside the channels. In one of them, uncommon C­(sp3)–F···F–C­(sp3) interactions betw...

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Bibliographic Details
Published in:Crystal growth & design 2017-07, Vol.17 (7), p.3611-3615
Main Authors: Sanna, Elena, Bauzá, Antonio, Escudero-Adán, Eduardo C, Rotger, Carmen, Frontera, Antonio, Costa, Antonio
Format: Article
Language:English
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Summary:Herein we report the X-ray characterization of a pair of CCl3F (CFC-11) molecules trapped in a molecular sponge. The encapsulated molecules are arranged in two crystallographically independent relative orientations inside the channels. In one of them, uncommon C­(sp3)–F···F–C­(sp3) interactions between the CCl3F molecules are observed along with halogen (X)···π interactions with the walls of the channel.
ISSN:1528-7483
1528-7505
DOI:10.1021/acs.cgd.7b00736