The Fullerene builder is located under the Build menu. With Fullerene Builder, the user can create more than 2450 derivatives of fullerene. Some examples are shown in Figureā¦ You can save the generated file into XYZ ( for example: fullerene.xyz), PDB ( for example: graphene.pdb), LAMMPS, (for example: fullerene.data) and GROMACS format (for example: fullerene.gro).