Szeged indices of benzenoid hydrocarbons

I. Gutman*, G. Dömötör, P. C.B. Lam, Wai Chee SHIU, L. Popović

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

11 Citations (Scopus)

Abstract

The Szeged index (Sz) is a recently proposed structure descriptor based on distances between vertices of the molecular graph. Numerous properties of Sz were previously shown to parallel that of the long-known Wiener index (W). We report explicit combinatorial expressions for Sz of a variety of homologous series of benzenoid hydrocarbons. Comparing Sz with W it is found that in extruded benzenoid systems, Sz is linearly proportional to W. In compact benzenoids, however, Sz increases much faster than W, indicating that the two indices reflect different features of the molecular structure.

Original languageEnglish
Pages (from-to)259-270
Number of pages12
JournalPolycyclic Aromatic Compounds
Volume8
Issue number4
DOIs
Publication statusPublished - 1996

Scopus Subject Areas

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

User-Defined Keywords

  • Benzenoid hydrocarbons
  • Szeged index
  • Wiener index

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