Bonding inside and outside Fullerene Cages

Accounts of Chemical Research
Lipiao BaoXing Lu

Abstract

Concrete crystallographic results of endohedral metallofullerenes (EMFs) disclose that the bonding within the metallic clusters and the interactions between the metal ions and the cage carbon atoms, which are closely associated with the coordination ability of the metal ions, play essential roles in determining the stability, the molecular structure, and the chemical behavior of the hybrid EMF molecules, in addition to the previously recognized charge transfer from metal to cage. For the carbide cluster metallofullerenes, a "size effect" between the encapsulated metallic cluster and the fullerene cage has been suggested. Thus, through the geometric effect, a series of giant fullerenes (C90-C104) have been stabilized by encapsulating a large La2C2 cluster, which adopts different configurations in accordance with cage size and shape. Interestingly, the crystallographic analysis of La2C2@ D5(450)-C100 has led to the direct observation of the axial compression of short carbon nanotubes caused by the internal stress. Additionally, the defective C2(816)-C104 cage is viewed to be a precursor that can transform into the other three ideal tubular fullerene cages, presenting crystallographic evidence for the top-down formation mechanism ...Continue Reading

References

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Citations

Dec 31, 2019·Chemistry : a European Journal·Wangqiang ShenXing Lu
Aug 18, 2020·Chemical Communications : Chem Comm·Mingzhe NieTaishan Wang
May 6, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Lei-Lei LiWen-Zhen Wang
Aug 14, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Michio YamadaTakeshi Akasaka
Mar 16, 2021·Advanced Science·Chia-Hsiang ChenAlexey A Popov
Jun 3, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Lianjie YeMeilan Yu
Jun 15, 2021·Chemical Communications : Chem Comm·Yingjing YanNing Chen

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