Line-width effects in the electron spin resonance spectrum of the 2,5-dimethylhydroquinone cation radical

1969 ◽  
Vol 73 (12) ◽  
pp. 4387-4389 ◽  
Author(s):  
Paul D. Sullivan ◽  
James R. Bolton
Keyword(s):  
Electron Spin Resonance ◽  
Electron Spin Resonance Spectrum ◽  
Line Width ◽  
Electron Spin ◽  
Resonance Spectrum ◽  
Cation Radical ◽  
Spin Resonance

Organic and biological spectrochemical studies. XXIV. Electron spin resonance studies on the hydroquinone cation radical

1967 ◽  
Vol 45 (3) ◽  
pp. 267-273 ◽  
Author(s):  
A. B. Barabas ◽  
W. F. Forbes ◽  
P. D. Sullivan
Keyword(s):  
Electron Spin Resonance ◽  
Electron Spin Resonance Spectrum ◽  
Potential Barrier ◽  
Electron Spin ◽  
Resonance Spectrum ◽  
Cation Radical ◽  
Aluminium Chloride ◽  
Kcal Mole ◽  
A Value ◽  
Spin Resonance

The electron spin resonance spectrum of hydroquinone in aluminium chloride – nitromethane is interpreted in terms of cis–trans isomerism. Calculations based on the variation of the spectrum with temperature lead to a value for the potential barrier to rotation about the C—O bond of ca. 10 kcal/mole. The value of the constant QOH is discussed.

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