Abstract
The chemically interesting potential energy surfaces (PES) are considered on which the conditions underlying application of structural stability principle and Morse inequalities are violated. The possibility of treatment of singular branching points on a PES slope in terms of intrinsic reaction curves (IRC) is discussed.
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Basilevsky, M.V. The structural stability principle and branching points on multidimensional potential energy surfaces. Theoret. Chim. Acta 72, 63–67 (1987). https://doi.org/10.1007/BF00526555
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DOI: https://doi.org/10.1007/BF00526555