Optically detected electron—nuclear double resonance and electron—nuclear—nuclear triple resonance study of <sup>17</sup>O hyperfine coupling in the lowest nπ<sup>*</sup> triplet state of benzil期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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*Optically detected electron—nuclear double resonance and electron—nuclear—nuclear triple resonance study of ¹⁷O hyperfine coupling in the lowest nπ^ triplet state of benzil**

Authors:	Yoshio Teki Takeji Takui Mitsuru Hirai Koichi Itoh Hiizu Iwamura

Institution:	Department of Chemistry, Faculty of Science, Osaka City University, Sugimoto, Sumiyoshi-ku, Osaka 558, Japan;Institute for Molecular Science, Okazaki 444, Japan

Abstract:	Optically detected ENDOR and electron—nuclear—nuclear triple resonance of ¹⁷O were measured via phosphorescence from ³(nπ^) benzil in benzophenone-d₁₀ crystals at high magnetic field. The n and π^ spin densities on the oxygen atom are 0.201 and 0.092, respectively, the angle between the two CO bonds being 150°.

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