Thermodynamics properties of diatomic molecules with general molecular potential

Ikot, A.N and Chukwuocha, E.O and Onyeaju, M.C and Onate, C.A and Ita, B.I and Udoh, M.O (2018) Thermodynamics properties of diatomic molecules with general molecular potential. Pramana Journal of Physics, 90. p. 22.

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Abstract

In this paper, the energy spectra of the general molecular potential are obtained using the asymptotic iteration method within the framework of non-relativistic quantum mechanics.With the energy spectrum obtained, the vibrational partition function is calculated in a closed form and is used to obtain an expression for other thermodynamic functions such as vibrational mean energy U, vibrational mean free energy F, vibrational entropy S and vibrational specific heat capacity C. These thermodynamic functions are studied for the electronic state X1+g of K2 diatomic molecules.

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