Sulfur cation radicals

Richard S Glass, Amanda M. Radspinner, Waheguru Pal Singh

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The oxidation potentials of 2-silylated and 2-stannylated 1,3-dithianes have been determined by cyclic voltammetry. There is substantial, geometry-dependent, lowering of the oxidation potential by tin substituants as illustrated by 2,2-bis(trimethylstannyl)-1,3-dithiane whose oxidation potential of 0.19V is almost IV lower than that of 1,3-dithiane itself. The UV He I photoelectron spectrum of this compound shows that its two lowest ionization potentials of 7.48 and 7.97 eV are about 1 eV lower than those of 1,3-dithiane. X-ray crystallographic structure studies on 2,2-bis(trimethylstannyl)-1,3-dithiane reveal that it adopts a chair conformation with an axial and an equatorial tin substituent. Variable temperature 13C NMR spectroscopic studies demonstrate that this compound undergoes ring inversion in solution with a barrier of approximately 13.5 kcal/mol.

Original languageEnglish (US)
Pages (from-to)853-858
Number of pages6
JournalPure and Applied Chemistry
Volume68
Issue number4
StatePublished - Apr 1996

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Sulfur
Cations
Positive ions
Oxidation
Tin
Ionization potential
Photoelectrons
Cyclic voltammetry
Conformations
Nuclear magnetic resonance
X rays
Geometry
1,3-dithiane
Temperature

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Glass, R. S., Radspinner, A. M., & Singh, W. P. (1996). Sulfur cation radicals. Pure and Applied Chemistry, 68(4), 853-858.

Sulfur cation radicals. / Glass, Richard S; Radspinner, Amanda M.; Singh, Waheguru Pal.

In: Pure and Applied Chemistry, Vol. 68, No. 4, 04.1996, p. 853-858.

Research output: Contribution to journalArticle

Glass, RS, Radspinner, AM & Singh, WP 1996, 'Sulfur cation radicals', Pure and Applied Chemistry, vol. 68, no. 4, pp. 853-858.
Glass RS, Radspinner AM, Singh WP. Sulfur cation radicals. Pure and Applied Chemistry. 1996 Apr;68(4):853-858.
Glass, Richard S ; Radspinner, Amanda M. ; Singh, Waheguru Pal. / Sulfur cation radicals. In: Pure and Applied Chemistry. 1996 ; Vol. 68, No. 4. pp. 853-858.
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