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Encapsulation of a scandium trimer in C82

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Abstract

FULLERENES with metals encapsulated within the carbon cage have been prepared recently1–6. Laser vaporization of a lanthanum-impregnated graphite rod yielded an air-stable, solvent-extractable species comprising a single La atom inside a C82 cage1, denoted La@ C82; a cluster containing two La atoms (La2@ C82) was later reported3. Similar techniques applied to graphite/yttrium rods have produced Y@ C82 and Y2@ C82 (refs 5, 6). Here we describe the preparation of scandium-containing C82 species, including an encapsulated scandium trimer, Sc3@C82. Mass spectrometry and ESR spectroscopy provide evidence that the Sc3, trimer is indeed trapped within the cage.

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Authors and Affiliations

  1. Department of Chemistry for Materials, Mi'e University, Tsu, 514, Japan

    Hisanori Shinohara & Hiroyasu Sato

  2. Department of Physics, Meijo University, Nagoya, 468, Japan

    Masato Ohkohchi & Yoshinori Ando

  3. Department of Chemistry, Faculty of Science, Kyoto University, Kyoto, 606, Japan

    Takeshi Kodama, Tadamasa Shida & Tatsuhisa Kato

  4. Department of Electrical and Electronic Engineering, Mi'e University, Tsu, 514, Japan

    Yahachi Saito

Authors
  1. Hisanori Shinohara
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  2. Hiroyasu Sato
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  3. Masato Ohkohchi
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  4. Yoshinori Ando
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  5. Takeshi Kodama
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  6. Tadamasa Shida
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  7. Tatsuhisa Kato
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  8. Yahachi Saito
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Shinohara, H., Sato, H., Ohkohchi, M. et al. Encapsulation of a scandium trimer in C82. Nature 357, 52–54 (1992). https://doi.org/10.1038/357052a0

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