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A New Method for Computing the Wiener Index of Polyhex Nanotorus

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The Wiener index of a molecular graph, which is defined as the sum of distances between all pairs of vertices of the graph, is a distance-based graph invariants used as a structure-descriptor for predicting physicochemical properties of organic compounds. The Wiener index of polyhex nanotorus is computed by Yousefi and Ashrafi (An exact expression for the Wiener index of a polyhex nanotorus, MATCH Commun. Math. Comput. Chem. 56, 169 (2006)). In this paper we introduce a new method, based on a mathematical model given by Cotfas (An alternate mathematical model for single-wall carbon nanotubes, J. Geom. Phys. 55, 123 (2005)). to compute the Winer index of polyhex nanotorus.
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Document Type: Research Article

Publication date: November 1, 2011

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  • Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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