Single-Valued Double Many-Body Expansion Potential Energy Surface of Ground-State SO2
The Journal of Physical Chemistry A2001Vol. 106(3), pp. 556–562
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Abstract
An accurate single-valued double many-body expansion potential energy surface has been obtained for the ground electronic state of the sulfur dioxide molecule (SO2) by fitting novel ab initio energies suitably corrected by scaling its correlation energy. The stationary points of the new surface have been exhaustively analyzed, and the quality of the fit was appreciated from the stratified root-mean-square deviations between the points and the analytical potential.
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