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On the Symmetry of a Zig-Zag and an Armchair Polyhex Carbon Nanotorus
Department of Physics & Young Researchers Club, Islamic Azad University, Kashan, I. R. Iran
Institute of Nanoscience and Nanotechnology, University of Kashan, Kashan, I. R. Iran
* Author to whom correspondence should be addressed.
Received: 17 July 2009; in revised form: 13 September 2009 / Accepted: 14 September 2009 / Published: 8 October 2009
Abstract: A Euclidean graph associated with a molecule is defined by a weighted graph with adjacency matrix M = [dij], where for i≠j, dij is the Euclidean distance between the nuclei i and j. In this matrix dii can be taken as zero if all the nuclei are equivalent. Otherwise, one may introduce different weights for distinct nuclei. The aim of this paper is to compute the automorphism group of the Euclidean graph of a carbon nanotorus. We prove that this group is a semidirect product of a dihedral group by a group of order 2.
Keywords: Euclidean graph; symmetry; Polyhex carbon nanotorus
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MDPI and ACS Style
Yavari, M.; Ashrafi, A.R. On the Symmetry of a Zig-Zag and an Armchair Polyhex Carbon Nanotorus. Symmetry 2009, 1, 145-152.
Yavari M, Ashrafi AR. On the Symmetry of a Zig-Zag and an Armchair Polyhex Carbon Nanotorus. Symmetry. 2009; 1(2):145-152.
Yavari, Morteza; Ashrafi, Ali R. 2009. "On the Symmetry of a Zig-Zag and an Armchair Polyhex Carbon Nanotorus." Symmetry 1, no. 2: 145-152.