There are an infinite variety of possible fullerene and fullerene-related molecules including very large spherical cages, long thin tubes, and doughnuts, to mention a few. If you have a Java-capable browser you can examine a few of these molecules.
  • Icosahedral C60.
  • C119.
  • A capsule or tubule of 180 atoms.
  • C186.
  • Icosahedral C240.
  • Hypergraphite - a fullerene-related solid.
  • C2268 - a large tetrahedral fullerene.