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Topological Characterization of the Symmetrical Structure of Bismuth Tri-Iodide

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Department of Mathematical Sciences, United Arab Emirates University, Al Ain, P. O. Box 15551, United Arab Emirates
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Department of Mathematics, School of Natural Sciences (SNS), National University of Sciences and Technology (NUST), Sector H-12, Islamabad 44000, Pakistan
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Department of Mathematics, Comsats Institute of Information Technology, Lahore 54000, Pakistan
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Department of Mathematics, Comsats Institute of Information Technology, Sahiwal 57000, Pakistan
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Department of Mathematics, The University of Lahore, Pakpattan Campus 57400, Pakistan
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Author to whom correspondence should be addressed.
Symmetry 2018, 10(6), 201; https://doi.org/10.3390/sym10060201
Received: 14 May 2018 / Revised: 27 May 2018 / Accepted: 1 June 2018 / Published: 4 June 2018
The bismuth tri-iodide ( B i I 3 ) is an inorganic compound. It is the result of the response of bismuth and iodine, which has inspired enthusiasm for subjective inorganic investigation. The topological indices are the numerical invariants of the molecular graph that portray its topology and are normally graph invariants. In 1975, Randic presented, in a bond-added substance, a topological index as a descriptor for portraying subatomic branching. In this paper, we investigate the precious stone structure of bismuth tri-iodide chain and sheet. Moreover, exact formulas of degree-based added-substance topological indices principally the first, second, and hyper Zagreb indices, the general Randic index, the geometric-arithmetic index, the fourth atom-bond connectivity index, and the fifth geometric arithmetic index of the subatomic graph of bismuth tri-iodide for both chain and sheet structures are determined. View Full-Text
Keywords: molecular descriptors; crystal structures; bismuth tri-iodide; atom-bond connectivity index; geometric–arithmetic index; zagreb type indices molecular descriptors; crystal structures; bismuth tri-iodide; atom-bond connectivity index; geometric–arithmetic index; zagreb type indices
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Imran, M.; Ali, M.A.; Ahmad, S.; Siddiqui, M.K.; Baig, A.Q. Topological Characterization of the Symmetrical Structure of Bismuth Tri-Iodide. Symmetry 2018, 10, 201.

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