2017Zeitschrift für Naturforschung ARequires access

On Certain Topological Indices of Boron Triangular Nanotubes

Adnan Aslam, Safyan Ahmad, Wei Gao

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Abstract

Abstract The topological index gives information about the whole structure of a chemical graph, especially degree-based topological indices that are very useful. Boron triangular nanotubes are now replacing usual carbon nanotubes due to their excellent properties. We have computed general Randić (Rα), first Zagreb (M1) and second Zagreb (M2), atom-bond connectivity (ABC), and geometric–arithmetic (GA) indices of boron triangular nanotubes. Also, we have computed the fourth version of atom-bond connectivity (ABC4) and the fifth version of geometric–arithmetic (GA5) indices of boron triangular nanotubes.

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Abstract The topological index gives information about the whole structure of a chemical graph, especially degree-based topological indices that are very useful. Boron triangular nanotubes are now replacing usual carbon nanotubes due to their excellent properties. We have computed general Randić (Rα), first Zagreb (M1) and second Zagreb (M2), atom-bond connectivity (ABC), and geometric–arithmetic (GA) indices of boron triangular nanotubes. Also, we have computed the fourth version of atom-bond connectivity (ABC4) and the fifth version of geometric–arithmetic (GA5) indices of boron triangular nanotubes.

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Available abstract

Abstract The topological index gives information about the whole structure of a chemical graph, especially degree-based topological indices that are very useful. Boron triangular nanotubes are now replacing usual carbon nanotubes due to their excellent properties. We have computed general Randić (Rα), first Zagreb (M1) and second Zagreb (M2), atom-bond connectivity (ABC), and geometric–arithmetic (GA) indices of boron triangular nanotubes. Also, we have computed the fourth version of atom-bond connectivity (ABC4) and the fifth version of geometric–arithmetic (GA5) indices of boron triangular nanotubes.

Key concepts: Topological index, Boron, Carbon nanotube, Atom (system on chip), Graph, Topology (electrical circuits), Hexagonal crystal system, Materials science

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