Martin Möbs
(Anorganische Chemie, Fluorchemie, Philipps-Universität Marburg, Hans-Meerwein-Str. 4, 35032 Marburg, Germany)
Antti J. Karttunen
(Department of Chemistry and Materials Science, Aalto University, 00076 Espoo, Finland)
Florian Kraus
(Anorganische Chemie, Fluorchemie, Philipps-Universität Marburg, Hans-Meerwein-Str. 4, 35032 Marburg, Germany)
Journal: Acta Chimica Slovenica
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• Slovenian Chemical Society
• ISSN: 1318-0207
Abstract
Cocrystals of BrF5 and HF2− salts have been obtained for the first time in the form of the two compounds [NMe4][(BrF5)6(HF2)] and Cs2[(BrF5)6(HF2)(H2F3)]. These compounds are formed when hydrogen fluoride is present in reactions of BrF5 and a fluoride ion source, such as [NMe4]F or CsF. Here we present the crystal structures of the compounds, complemented by quantum chemical solid-state calculations, and our Raman spectroscopic investigations on the compound [NMe4][(BrF5)6(HF2)]. The cocrystals contain discrete [HF2]– and [H2F3]– anions, which are coordinated by BrF5 molecules via their F atoms. The propeller-like coordination of an F atom by three BrF5 molecules, as known from the [Br3F16]– anion, appears as a recurring structural motif in these compounds.
Martin Möbs, Antti J. Karttunen, Florian Kraus (2024). "Fluoridobromate(V)–hydrogen fluoride cocrystallizates". Acta Chimica Slovenica. https://doi.org/10.17344/acsi.2024.8759