Soluble and Tubular Higher Fullerenes that Encapsulate Metals

Authors

  • Prof. Dr. Xing Lu,

    1. Life Science Center for Tsukuba Advanced Research Alliance, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki 305-8577 (Japan)
    2. State Key Lab of Materials Processing and Die & Mould Technology, College of Materials Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074 (China)
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  • Prof. Dr. Takeshi Akasaka,

    Corresponding author
    1. Life Science Center for Tsukuba Advanced Research Alliance, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki 305-8577 (Japan)
    • Life Science Center for Tsukuba Advanced Research Alliance, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki 305-8577 (Japan)
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  • Prof. Dr. Shigeru Nagase

    Corresponding author
    1. Department of Theoretical and Computational Molecular Science, Institute for Molecular Science, Okazaki, Aichi 444-8585 (Japan)
    • Department of Theoretical and Computational Molecular Science, Institute for Molecular Science, Okazaki, Aichi 444-8585 (Japan)
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  • This work is supported in part by a Grant-in-Aid for Scientific Research on Innovative Areas (No. 20108001, “pi-Space”), a Grant-in-Aid for Scientific Research (A) (No. 20245006), The Next Generation Super Computing Project (Nanoscience), the Nanotechnology Support Project, Grants-in-Aid for Scientific Research on Priority Area (Nos. 20036008, 20038007), and a Specially Promoted Area (No. 22000009) from the MEXT of Japan, and The Strategic Japanese-Spanish Cooperative Program funded by JST and MICINN. Generous support from the National Thousand Talents Program, the National Natural Science Foundation of China (No. 21171061), and HUST to X. L. is gratefully acknowledged.

Abstract

original image

Tubular! The detection of a series of very large, soluble endofullerenes extending from La2C90 to La2C138 proves that endohedral metal doping is an effective strategy for stabilizing these giant molecules. The X-ray structure of the most abundant isomer, La2@D5(450)-C100 (see image), shows a tubular structure featuring a long La–La distance and maximal separation of pentagons within the cage framework.

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