Study of Nonclassical Fullerenes C_192 and C_204 with Seven Heptagon Rings
In this paper, we present some examples of nonclassical fullerenes with seven heptagon rings. For instance, a nonclassical fullerene with 192 carbons, seven heptagons, 19 pentagons, and 72 hexagons, is considered. Two of the seven [...]