Determination of Unconjugated Carbon Sites in Benzenoid Derivatives |
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| Authors: | Tetsuo Morikawa Ivan Gutman |
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| Affiliation: | 1. Chemistry Department , Joetsu University of Education , Joetsu , 943-8512 , Japan;2. Faculty of Science , University of Kragujevac , P.O. Box 60, YU-34000 , Kragujevac , Yugoslavia |
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| Abstract: | Rules 1–4 for judging whether or not a given hydrocarbon benzenoid derivative is topologically stable, are proved. Here each conjugated derivative is expressed as a hexagon-shaped molecular (hydrogen-suppressed) graph, and has unconjugated carbon sites such as methylene, carbonyl, and radical groups, in its boundary. |
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| Keywords: | Unconjugated carbon site Hydrocarbon benzenoid derivative Topological stability Kekulé structure count Essential single bond |
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