ESR Studies on Negative Ions of Biphenyl Derivatives. I. Electron Spin Resonance Hyper fine Spectra of 4-Methyl Biphenyl and <I>p</I>, <I>p</I>′-Bitolyl Mononegative Ions
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概要
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The electron spin resonances of 4-methyl biphenyl and <I>p</I>, <I>p</I>′-bitolyl mononegative ions were observed in either dimethoxyethane or tetrahydrofuran, using potassium metal as a reducing agent. Well-resolved proton hyperfine spectra were observed in each case, and the <I>g</I>-value, the overall width, and the hyperfine splitting coefficients due to the methyl protons and ring protons were determined.<BR>The theoretical spectra were constructed according to the spin densities calculated by Hückel's MO treatment, and these results were compared with the observed spectra.
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著者
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Ishizu Kazuhiko
Faculty of Literature and Science Yamaguchi University
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Ishizu K.
Faculty of Literature and Science Yamaguchi University