Structural diversity of host-guest and intercalation complexes of fullerene C 60

Mohamed Makha, Ariaan Purich, Colin L. Raston, Alexandre N. Sobolev

Research output: Contribution to journalShort surveypeer-review

58 Citations (Scopus)

Abstract

Pristine fullerene C 60 has a fcc structure. Crystallisation of the fullerene in a variety of solvents can lead to inclusion complexes, as well as discrete host-guest complexes in the presence of cavitands and porphyrins, and related molecules. The complexes retain varying degrees of fullerene⋯fullerene interactions at the van der Waals limit, except in a limited number of cases where the fullerenes are completely shrouded by one or more included/host molecule. Analysis of the fullerene⋯fullerene interactions in these complexes reveals a diverse structural arrangement of the fullerenes. They can be organised into dimers, single linear columns or zigzag chains, double columns, spectacular fivefold Z-shaped columnar arrays, hexagonal close-packed layers, corrugated sheets, honeycomb motifs, non-close-packed layers and complex three-dimensional networks. Disorder of the fullerenes in the solid state is common, although structures with close-packed planar arrangements of C 60 molecules and/or with symmetry matching between the host molecule and the fullerene (two-, three- and fivefold symmetry) tend to have less disorder of the fullerene.

Original languageEnglish
Pages (from-to)507-517
Number of pages11
JournalEuropean Journal of Inorganic Chemistry
Issue number3
DOIs
Publication statusPublished - 6 Feb 2006
Externally publishedYes

Keywords

  • Crystal structures
  • Fullerenes
  • Host-guest interactions
  • Packing models

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