THE ELECTRON SPIN RESONANCE SPECTRA OF THE POSITIVE AND NEGATIVE IONS OF DIPHENYLENE

1960 ◽  
Vol 38 (4) ◽  
pp. 503-507 ◽  
Author(s):  
C. A. McDowell ◽  
J. R. Rowlands
Keyword(s):  
Electron Spin Resonance ◽  
Hyperfine Interaction ◽  
Electron Spin ◽  
Negative Ions ◽  
Negative Ion ◽  
Spin Resonance ◽  
Hyperfine Splittings ◽  
Positive Ion

The electron spin resonance spectra of the positive and negative ions of diphenylene have been measured. It has been found that these spectra consist of five lines showing that the observed hyperfine interaction is caused by four equivalent protons. The over-all extent of the positive ion spectrum is 18 gauss compared with that of 12.9 gauss for the negative ion. The hyperfine splittings observed are 4.0 gauss and 2.75 gauss respectively.

Deuterium Isotope Effects in the Electron Spin Resonance Spectra of Naphthalene Negative Ions

1967 ◽  
Vol 47 (6) ◽  
pp. 2149-2165 ◽  
Author(s):  
Ronald G. Lawler ◽  
James R. Bolton ◽  
Martin Karplus ◽  
George K. Fraenkel
Keyword(s):  
Electron Spin Resonance ◽  
Electron Spin ◽  
Isotope Effects ◽  
Negative Ions ◽  
Spin Resonance ◽  
Deuterium Isotope Effects
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