Rock-salt-type crystal of thermally contracted C 60 with encapsulated lithium cation

Shinobu Aoyagi; Yuki Sado; Eiji Nishibori; Hiroshi Sawa; Hiroshi Okada; Hiromi Tobita; Yasuhiko Kasama; Ryo Kitaura; Hisanori Shinohara

doi:10.1002/anie.201108551

Rock-salt-type crystal of thermally contracted C ₆₀ with encapsulated lithium cation

Shinobu Aoyagi, Yuki Sado, Eiji Nishibori, Hiroshi Sawa, Hiroshi Okada, Hiromi Tobita, Yasuhiko Kasama, Ryo Kitaura, Hisanori Shinohara

SCI - Chemistry

Research output: Contribution to journal › Article › peer-review

59 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	3377-3381
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	51
Issue number	14
DOIs	https://doi.org/10.1002/anie.201108551
Publication status	Published - 2012 Apr 2

Keywords

electrostatic interactions
fullerenes
lithium
molecular devices
phase transitions

ASJC Scopus subject areas

Catalysis
Chemistry(all)

Access to Document

10.1002/anie.201108551

Cite this

Rock-salt-type crystal of thermally contracted C ₆₀ with encapsulated lithium cation. / Aoyagi, Shinobu; Sado, Yuki; Nishibori, Eiji; Sawa, Hiroshi; Okada, Hiroshi; Tobita, Hiromi; Kasama, Yasuhiko; Kitaura, Ryo; Shinohara, Hisanori.

In: Angewandte Chemie - International Edition, Vol. 51, No. 14, 02.04.2012, p. 3377-3381.

Research output: Contribution to journal › Article › peer-review

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abstract = "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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AU - Tobita, Hiromi

AU - Kasama, Yasuhiko

AU - Kitaura, Ryo

AU - Shinohara, Hisanori

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KW - lithium

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KW - phase transitions

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