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Leitz, Dominik; Hopfinger, Mathias; Stierstorfer, Karin; Morgenstern, Yvonne; Axhausen, Joachim; Kornath, Andreas (2017): Methanesulfonamide in Superacids: Investigations of the CH3SO2NH3+ Cation. In: Zeitschrift für Anorganische und Allgemeine Chemie, Vol. 643, No. 19: pp. 1202-1207
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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) angstrom was observed in a single-crystal X-ray structure analysis of [CH3SO2NH3](+)[Sb2F11](-). It crystallizes in the orthorhombic space group P2(1)/c with four formula units in the unit cell. Furthermore the crystal structure of CH3SO2NH2 was revisited.