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Keywords:

  • cage connectivity;
  • fullerenes;
  • perfluoroalkylation;
  • structure elucidation
Thumbnail image of graphical abstract

Perfluoroalkylation of a mixture of higher fullerenes has yielded the first direct proof of the cage connectivities in C94 (isomer 61) and C96 (isomer 145). The addition patterns of the RF groups on these fullerene cages, the largest to be structurally investigated to date, were determined by X-ray structure analyses of C94(CF3)20 (see structure; gray C, green F) and C96(C2F5)12.