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The number of Kekulé structures and the thermodynamic stability of conjugated systems

✍ Scribed by I. Gutman; N. Trinajstić; C.F. Wilcox Jr.


Publisher
Elsevier Science
Year
1975
Tongue
French
Weight
311 KB
Volume
31
Category
Article
ISSN
0040-4020

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📜 SIMILAR VOLUMES


The number of Kekulé structures for prim
✍ S.J. Cyvin 📂 Article 📅 1988 🏛 Elsevier Science 🌐 English ⚖ 374 KB

The number of Kekult structures for primitive coronoids is studied. The systems have obvious counterparts within a class of hydrocarbons known as cycloarenes. Complete solutions are given for centrosymmetrical primitive coronoids and those with trigonal or hexagonal symmetries. The technique is base

Identification of the Kekulé, structures
✍ Rong-qin Sheng 📂 Article 📅 1987 🏛 Elsevier Science 🌐 English ⚖ 291 KB

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.

On the number of kekulé structures of un
✍ T.P. Živković; N. Trinajstić 📂 Article 📅 1987 🏛 Elsevier Science 🌐 English ⚖ 174 KB

It is known that an alternative algorithm to the Gordon-Davidson algorithm for counting the Kekule valence structures of catacondensed non-branched benzenoid hydrocarbons is a reformulation of the original algorithm. Recently an alternative algorithm [ 1,2] to the Gordon-Davison (GD) algorithm [ 31