Enumeration of kekulé structures in polymers
✍ Scribed by A. Graovc; D. Babić; M. Strunje
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 310 KB
- Volume
- 123
- Category
- Article
- ISSN
- 0009-2614
No coin nor oath required. For personal study only.
✦ Synopsis
A procedure 1s described which allows the evaluation of the number of Kekule structures, K, for any polymer. In the case of regular polymers explicit recurrence relations for K are derived where the order of the recurrence depends on the number of edges linking two consecutive monomers.
📜 SIMILAR VOLUMES
A novel method for the calculation of the number Kof Kekult structures of benzenoid hydrocarbons is presented. K= ) det WI, where W is a matrix whose entries are the K values of certain fragments of the benzenoid system considered.
An economical two-vertex elimination method for deciding whether or not a given polyeyclic aromatic hydrocarbon has Kekult structures is suggested. New concepts of convex (concave) vertices, rectangular sets, convex rectangular sets and convex pairs are introduced.