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タイトル: | Electrochemical reduction of cationic Li+@C60to neutral Li+@C60˙−: isolation and characterisation of endohedral [60]fulleride |
著者: | Ueno, Hiroshi Aoyagi, Shinobu Yamazaki, Yu Ohkubo, Kei Ikuma, Naohiko Okada, Hiroshi Kato, Tatsuhisa Matsuo, Yutaka Fukuzumi, Shunichi Kokubo, Ken |
著者名の別形: | 加藤, 立久 |
キーワード: | General Chemistry |
発行日: | 1-Sep-2016 |
出版者: | Royal Society of Chemistry (RSC) |
誌名: | Chemical Science |
巻: | 7 |
号: | 9 |
開始ページ: | 5770 |
終了ページ: | 5774 |
抄録: | Lithium-encapsulated [60]fullerene Li@C60, namely, lithium-ion-encapsulated [60]fullerene radical anion Li+@C60˙−, was synthesised by electrochemical reduction of lithium-ion-encapsulated [60]fullerene trifluoromethanesulfonylimide salt [Li+@C60](TFSI−). The product was fully characterised by UV-vis-NIR absorption and ESR spectroscopy as well as single-crystal X-ray analysis for the co-crystal with nickel octaethylporphyrin. In solution Li@C60 exists as a monomer form dominantly, while in the crystal state it forms a dimer (Li@C60–Li@C60) through coupling of the C60 radical anion cage. These structural features were supported by DFT calculations at the M06-2X/6-31G(d) level of theory. |
著作権等: | This journal is © The Royal Society of Chemistry 2017 This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. |
URI: | http://hdl.handle.net/2433/226521 |
DOI(出版社版): | 10.1039/c6sc01209d |
PubMed ID: | 30034715 |
出現コレクション: | 学術雑誌掲載論文等 |
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