Abstract
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.
Highlights
Graph theory is a multidimensional subject in light of its huge applications in both unadulterated and connected science
The edge set of m − BiI3 chain is divided into two partitions based on the degree of end vertices
We find an exact formula for the fourth atom-bond connectivity index and the fifth geometric arithmetic index using Table 2
Summary
Graph theory is a multidimensional subject in light of its huge applications in both unadulterated and connected science. It is viable in terms of displaying and planning crystal structures, complex systems, and synthetic graphs. There are number of chemical compounds that are organic and inorganic and that have applications in commercial, industrial, and laboratory contexts and in daily life. A relationship exists between synthetic mixes and their atomic structures. Graph theory is an effective territory of arithmetic that has a tremendous scope of utilizations in numerous areas of science, such as chemistry, software engineering, electrical, and electronics. Chemical graph theory is a branch of science in which proficient apparatuses of graph theory are utilized to graphically demonstrate concoctions
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