Potential Energy Color Contour Question

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bcjochim07
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[SOLVED] Potential Energy Color Contour Question

Homework Statement


This graph is potential energy contour for deuterated water, HDO. The label on the horizontal axis is the O-H bond length. What I'm wondering is: How can you tell from this graph that the break of the O-H bond is favored of the breaking of the O-D bond?

Contour plot of a potential energy surface with black contour lines labeled -152.10, -152.22 and -152.30 a.u., and a colour-filled minimum near the lower left; axes in a.u. with a colour scale from 1E-6 to 1E1.



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The Attempt at a Solution