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Abstract book - Prof. Per Jensen, Ph.D. - Bergische Universität ...

Abstract book - Prof. Per Jensen, Ph.D. - Bergische Universität ...

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Poster session, D26 73Accurate Analytical Internuclear Potential for the Ground ElectronicState of the Oxygen Molecule<strong>Ph</strong>otos G. HajigeorgiouHajigeorgiou P.G.University of Nicosia, Cyprus, Hajigeorgiou.p@unic.ac.cyA highly accurate potential energy function in full analytical form has been obtained forthe ground electronic state of the oxygen molecule. Two distinct methods wereemployed to determine the potential function: (a) a higher-order WKB direct potentialfitting method employing vibrational term values, G υ, and rotational constants, B υ, and(b) a fully quantum-mechanical iterative method incorporating the numerical solution ofthe radial Schrödinger equation. The extended Lennard-Jones potential energy functionobtained is fully consistent with the data employed in its determination, including adispersion energy coefficient in the long-range region.

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