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|Venue:||J. Chem. Soc. Faraday|
...voids double bonds in pentagons and has the possibly maximal number of conjugated hexagons (n/3). Fullerene graphs with a Fries structure are equivalent to leapfrog fullerenes or Clar type fullerenes =-=[7, 15]-=-. The latter means that they have a set of disjoint faces including all vertices, an extension of a fully-Clar structure. Some relationships among the Clar number, the maximum face independent number ...
... leap-frog fullerenes admit a perfect Kekulé structure was proved in . The connections between the independent face sets and Clar and Fries structure of a fullerene has been discussed in detail in =-=[2,8,6]-=-. In , it was proved that a fullerene is a leap-frog fullerene if and only if the two Coxeter coordinates are congruent mod 3, for every edge of its signature. For example, C60 with the soccer bal...
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