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ABSTRACT:
Toroidal polyhex lattices have been proposed in the literature as models for the "circle crops" observed in soot condensed from arc-vaporized graphite.
Other covering patterns, including azulenic C5C7, "bathroom floor" C4C8, and mixed patterns have been suggested. In this paper, novel phenylenic (PH) and naphthylenic patterns are proposed. Molecular-mechanics estimates of energetic stability and H¨¹ckel calculations of the ¦Ð-electronic structure of the toroidal objects are given. Topological characterization of these objects includes Wiener number and Hosoya polynomial.
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STATISTICS
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