Proton Magnetic Resonance in Organic Free Radicals, BDPA–Bz and <I>p</I>-Cl-BDPA
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概要
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The proton NMR absorption spectra from 1.3 to 77 K in two organic free radicals, BDPA–Bz and <I>p</I>-Cl-BDPA, have been measured on powder samples which undergo a magnetic phase transition from a paramagnetic to an antiferromagnetic state at the temperatures of 1.695 and 3.25 K respectively. The behavior of the NMR absorption spectra associated with the magnetic phase transition has been studied for the first time in the organic free radicals and interpreted in terms of the hyperfine interaction. These results are then compared with those of the TANOL radical, which is a linear antiferromagnet with no magnetic phase transition down to 1.3 K.
- 公益社団法人 日本化学会の論文
著者
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Deguchi Yasuo
College Of Liberal Arts And Science Kyoto University
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Yamauchi Jun
The Institute For Chemical Research Kyoto University
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Ohya-Nishiguchi Hiroaki
Department of Chemistry, Faculty of Science, Kyoto University
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Uchino Kazuhiro
Department of Chemistry, Faculty of Science, Kyoto University
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