3 years ago

Methanesulfonamide in Superacids: Investigations of the CH3SO2NH3+ Cation

Methanesulfonamide in Superacids: Investigations of the CH3SO2NH3+ Cation
Joachim Axhausen, Karin Stierstorfer, Dominik Leitz, Mathias Hopfinger, Andreas Kornath, Yvonne Morgenstern
The preparation of protonated methanesulfonamide was carried out using the superacidic systems HF/AsF5 and HF/SbF5. The vibrational spectroscopic characterization was supported by quantum chemical calculations performed with the PBE1PBE method using the 6-311G++(3df, 3pd) basis set. A remarkable long nitrogen–sulfur bond length of 1.804(6) Å was observed in a single-crystal X-ray structure analysis of [CH3SO2NH3]+[Sb2F11]–. It crystallizes in the orthorhombic space group P21/c with four formula units in the unit cell. Furthermore the crystal structure of CH3SO2NH2 was revisited.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/zaac.201700229

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