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Tetrafluoroboric Acid‐Methanol (1/2), Cyclic Molecules by Hydrogen Bonds between Ions
Author(s) -
Mootz Dietrich,
Steffen Michael
Publication year - 1981
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198101961
Subject(s) - oxonium ion , chemistry , hydrogen bond , methanol , molecule , ring (chemistry) , salt (chemistry) , ion , crystallography , organic chemistry
An oxonium salt with the previously unobserved bis(methanol)hydrogen cation [(CH 3 OH) 2 H] + is the HBF 4 ·2CH 3 OH phase which melts congruently at −41 °C in the system HBF 4 ·CH 3 OH‐CH 3 OH. The acid proton couples two CH 3 OH molecules through a very short H‐bond. Two of these cations and two BF 4 −anions form cyclic dimers having an almost planar O 4 F 2 ring joined by H‐bonds.
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