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Journal of Chemistry
Volume 2014, Article ID 906254, 8 pages
Research Article

Second Atom-Bond Connectivity Index of Special Chemical Molecular Structures

1School of Information Science and Technology, Yunnan Normal University, Kunming 650500, China
2Department of Mathematics, Zhejiang Normal University, Jinhua 321004, China

Received 7 July 2014; Accepted 27 August 2014; Published 15 October 2014

Academic Editor: Demeter Tzeli

Copyright © 2014 Wei Gao and Weifan Wang. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In theoretical chemistry, the second atom-bond connectivity index was introduced to measure the stability of alkanes and the strain energy of cycloalkanes. In this paper, we determine the second atom-bond connectivity index of unilateral polyomino chain and unilateral hexagonal chain. Furthermore, the second ABC indices of V-phenylenic nanotubes and nanotori are presented.