2005•Indian Journal of Pure & Applied PhysicsOpen access

Potential function for diatomic molecules

Shivraj V. Birajdar, Chandrakumar J. Kadam, R. M. Shelke, S. H. Behere

Abstract

The potential energy function suggested by Rafi (Indian J Phys, 74B (485) 2000) has been investigated further and the adjustable parameter c appearing in the potential function has been calculated. Using Varshni's formulation, the value of c has been calculated for fifty randomly selected diatomic molecules. Besides the individual value of c, an average value of c has also been used to calculate the potential energy curves for the ground states of CO and I 2 molecules using this potential. These potential energy curves are compared with RKR and Morse curves.

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Key concepts: Diatomic molecule, Potential energy, Morse potential, Function (biology), Chemistry, Molecule, Energy (signal processing), Atomic physics