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Preferred Label : col;

Detailed label : col (saddle point);

IUPAC definition : A mountain-pass in a potential-energy (reaction) surface is known as a col or saddle point. It is a point at which the gradient is zero along all coordinates, and the curvature is positive along all but one coordinate, which is the reaction coordinate, along which the curvature is negative.;

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A mountain-pass in a potential-energy (reaction) surface is known as a col or saddle point. It is a point at which the gradient is zero along all coordinates, and the curvature is positive along all but one coordinate, which is the reaction coordinate, along which the curvature is negative.

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29/07/2025


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