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Rock‐Salt‐Type Crystal of Thermally Contracted C 60 with Encapsulated Lithium Cation
Author(s) -
Aoyagi Shinobu,
Sado Yuki,
Nishibori Eiji,
Sawa Hiroshi,
Okada Hiroshi,
Tobita Hiromi,
Kasama Yasuhiko,
Kitaura Ryo,
Shinohara Hisanori
Publication year - 2012
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201108551
Subject(s) - salt (chemistry) , fullerene , lithium (medication) , crystallography , trigonal crystal system , crystal structure , chemistry , crystal (programming language) , materials science , type (biology) , ion , mineralogy , inorganic chemistry , geology , organic chemistry , paleontology , medicine , computer science , programming language , endocrinology
Rock solid : Fullerene‐encapsulated Li + (Li + @C 60 ) is an alkaline cation owing to the spherical shape and positive charge. Li + @C 60 crystallizes as a rock‐salt‐type crystal in the presence of PF 6 − . The orientations of C 60 (green; see picture) and PF 6 − (orange) are perfectly ordered below 370 K, and Li + (purple) hops within the cage. At temperatures below 100 K two Li + units are localized at two polar positions within each C 60 .

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