Synthesis and Structure of Protonated Sulfur Dioxide.

Angew Chem Int Ed Engl

Department of Chemistry, Ludwig-Maximilian University of Munich, Butenandtstr. 5-13, 81377, München, Germany.

Published: May 2024

AI Article Synopsis

  • - The study involved synthesizing salts of protonated sulfur dioxide by recrystallizing [FS(OX)][SbF] (where X=H, D) using aprotic solvents at low temperatures.
  • - Hemiprotonated sulfur dioxide [(SO)H][SbF] was derived from solvent SO and monoprotonated sulfur dioxide [OSOD][SbF] using 1,1,1,2-tetrafluoroethane as the solvent.
  • - The synthesized compounds were analyzed using X-ray crystallography and Raman spectroscopy, with the findings further supported by quantum chemical calculations at the M06-2X/aug-cc-pVTZ level of theory.

Article Abstract

Salts of protonated sulfur dioxide were synthesized by recrystallization of [FS(OX)][SbF] (X=H, D) in aprotic solvents at low temperatures. Hemiprotonated sulfur dioxide [(SO)H][SbF] was obtained from the solvent SO and the monoprotonated sulfur dioxide [OSOD][SbF], using 1,1,1,2-tetrafluoroethane as solvent. For both compounds, single crystals were obtained and an X-ray structure analysis was conducted. Furthermore, the salts were characterized by Raman spectroscopy and the results were discussed together with quantum chemical calculations on the M06-2X/aug-cc-pVTZ level of theory.

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Source
http://dx.doi.org/10.1002/anie.202401953DOI Listing

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