Halogen‐bonded adduct of 1,2‐dibromo‐1,1,2,2‐tetrafluoroethane and 1,4‐diazabicyclo[2.2.2]octane

Halogen bonding is an intermolecular interaction capable of being used to direct extended structures. Typical halogen‐bonding systems involve a noncovalent interaction between a Lewis base, such as an amine, as an acceptor and a halogen atom of a halofluorocarbon as a donor. Vapour‐phase diffusion o...

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Veröffentlicht in:	Acta crystallographica. Section C, Crystal structure communications Crystal structure communications, 2015-10, Vol.71 (10), p.900-902
Hauptverfasser:	Brisdon, Alan K., Muneer, Abeer M. T., Pritchard, Robin G.
Format:	Artikel
Sprache:	eng
Schlagworte:	1,4‐diazabicyclo[2.2.2]octane Adducts Bonding bromofluorocarbon trapping Crystal structure Crystallization Crystallography dibromotetrafluoroethane Diffusion Diffusion welding extended structures halogen bonding Halogens Lewis base Molecular structure one‐dimensional polymeric structure phase change
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Beschreibung
Zusammenfassung:	Halogen bonding is an intermolecular interaction capable of being used to direct extended structures. Typical halogen‐bonding systems involve a noncovalent interaction between a Lewis base, such as an amine, as an acceptor and a halogen atom of a halofluorocarbon as a donor. Vapour‐phase diffusion of 1,4‐diazabicyclo[2.2.2]octane (DABCO) with 1,2‐dibromotetrafluoroethane results in crystals of the 1:1 adduct, C2Br2F4·C6H12N2, which crystallizes as an infinite one‐dimensional polymeric structure linked by intermolecular N...Br halogen bonds [2.829 (3) Å], which are 0.57 Å shorter than the sum of the van der Waals radii.
ISSN:	2053-2296 0108-2701 2053-2296 1600-5759
DOI:	10.1107/S2053229615016472