ChemViz

The Born-Oppenheimer Approximation is used for...

(a)small molecules of 4 or less atoms

(b)complex systems with atoms contating 2 or more electrons

(c)none of the above
True or False The Born-Oppenheimer Approximation treats atoms as having fixed nuclei.

(a)True

(b)False
The equation for the "electronic" Hamiltonian neglects which term in the original equation?

(a)the term to calculate the kinetic energy of the electrons

(b)the term for kinetic energy for nuclei

(c)term to describe the repulsive force of an electron on another electron
E_eff is used as the potential for the __________ H.

(a)electronic

(b)nuclear

(c)all of the above
The nuclear Hamiltonian describes all but which of the following states of the nuclei?

(a)translational

(b)rotational

(c)inversion

(c)vibrational

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