Two crystalline associates formed in the super‐acid system HFSbF5 have been isolated and characterized as H3F⊕2Sb2F 11⊖ 1 and H2F⊕Sb2F 11⊖. These constitute the first crystal structure determinations on fluoronium salts. The H3F 2⊕ ion of 1 contains a very strong hydrogen bridge between the two fluorine atoms and has trans conformation.
Zwei kristalline Assoziate aus dem Supersäure‐System HF‐SbF5 wurden isoliert und als H3F 2⊕Sb2F 11⊖ 1 und H2F⊕Sb2F 11⊖ charakterisiert. Es handelt sich um die ersten Kristallstrukturbestimmungen an Fluoroniumsalzen. Das H3F 2⊕‐Ion von 1 enthält eine sehr starke Wasserstoffbrücke zwischen den beiden Fluoratomen und hat trans‐Konformation.
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