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Synthesis and Characterization of Tetramethylammonium Trifluorosulfate
Author(s) -
Hohenstein Christian,
Kadzimirsz Daniel,
Ludwig Ralf,
Kornath Andreas
Publication year - 2011
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201000102
Subject(s) - raman spectroscopy , crystallography , fluorine , trigonal bipyramidal molecular geometry , tetramethylammonium , microcrystalline , chemistry , atom (system on chip) , oxygen atom , halogen , infrared , infrared spectroscopy , ion , crystal structure , molecule , physics , alkyl , organic chemistry , computer science , optics , embedded system
[Me 4 N] + [SO 2 F 3 ] − , the first example of a [SO 2 F 3 ] − salt, has been prepared from Me 4 NF and SO 2 F 2 . The colorless, microcrystalline solid was characterized by its infrared and Raman spectra. The trigonal bipyramidal structure of C 2 v symmetry of the [SO 2 F 3 ] − anion is predicted by ab initio calculations. Two oxygen atoms with d (SO)=143.2 pm and one fluorine atom with d (SF)=157.9 pm occupy the equatorial plane. The two fluorine atoms in the axial position with d (SF)=168.5 pm are repulsed by the two oxygen atoms forming a bent axis with ∡(F ax SF ax )=165.2°.
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