Metal-coated fullerenes C60Mn: calculations for M = Be, Mg, Al and n = 12, 20, 32

Zdeněk Slanina, Chihiro Miyajima, Xiang Zhao, Filip Uhlík, Ludwik Adamowicz, Eiji Osawa

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Semiempirical quantum-chemical PM3 calculations are reported for a relatively new class of exohedral metallo-fullerenes - metal-coated or metal-covered fullerenes: C60Mn. The exohedral species were recently observed, however, their geometrical and electronic structure is not known yet. In this paper, relatively-even metal-atom distributions over the fullerene rings are considered - such regular forms are computed for M = Be, Mg, Al. Three selected stoichiometries are treated: C60M12, C60M20, and C60M32. The stoichiometries correspond to the location of the metal atoms above the twelve pentagons, above the twenty hexagons, and above each of the thirty two rings of C60. This interesting arrangement over the rings is possible only for some types of atoms, while other elements are localized above bonds or atoms, or inside the cage, or even react and destroy the cage. Other limitation comes from the parametrization of the computational methods - the computations are performed with the PM3 semiempirical method and metal-layer atomization heats are used as a stability measure. Structural characteristics are presented, too. Considerable reductions of the cage symmetry are reported and their relationships to Jahn-Teller effect are discussed, too (no case of the icosahedral symmetry is found).

Original languageEnglish (US)
Pages (from-to)385-402
Number of pages18
JournalFullerene Science and Technology
Issue number4
StatePublished - 2000

ASJC Scopus subject areas

  • General Chemical Engineering


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