(a) What is the main assumption of the Born-Oppenheimer approximation?
(b) Using the Born-Oppenheimer approximation, write the Hamiltonian for the H2 molecule (also, draw the diagram). Indicate the attractive, repulsive potential energy terms and the kinetic energy terms.

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The BornOppenheimer Approximation is the assumption that the electronic motion and the nuclear motio... View the full answer