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Open AccessArticle

Halogen Interactions in 2,4,5-Tribromoimidazolium Salts

Faculty of Chemistry and Pharmacy, University of Innsbruck, 6020 Innsbruck, Austria
Competence Center of Wood Composites and Wood Chemistry K-Plus, 4021 Linz, Austria
Institute of Mineralogy and Petrography, University of Innsbruck, 6020 Innsbruck, Austria
Author to whom correspondence should be addressed.
Crystals 2012, 2(3), 1017-1033;
Received: 22 May 2012 / Revised: 18 June 2012 / Accepted: 28 June 2012 / Published: 27 July 2012
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The crystal structures of 2,4,5-tribromo-1-(prop-2-ynyl)imidazole and seven new 1,3-dialkyl-2,4,5-tribromoimidazolium salts (R1 = propenyl, propynyl, dibromopropenyl; R2 = Me, Et) with halogen-containing anions (tetrafluoroborate, hexafluorophosphate, triflimide) were determined. The structures revealed halogen...halogen and anion...π interactions. Contacts of the type Br...Br, Br...F, Br...O, Br...N, F...F, H...Br, H...F, F...π and O...π were identified. Specific interactions were quantified by Hirshfeld surface analysis. View Full-Text
Keywords: bromine; fluorine; halogen interaction; Hirshfeld surface analysis; imidazole bromine; fluorine; halogen interaction; Hirshfeld surface analysis; imidazole

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Froschauer, C.; Kahlenberg, V.; Laus, G.; Schottenberger, H. Halogen Interactions in 2,4,5-Tribromoimidazolium Salts. Crystals 2012, 2, 1017-1033.

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