I am interested in a developing a clearly stated definition of the electronic energy of a molecule. Anyone care to offer their version?
I found the following in a biochemistry textbook:
"Electronic energies involve electron-electron interactions, electron-nucleus interactions and nucleus-nucleus interactions."
However, it seems to me that ultimately all 4 basic forms of molecular energy… translational, vibrational, rotational as well as electronic... are associated with these same interactions. For example, the energy of bond vibrations is comprised of kinetic and potential energies that repeatedly interconvert. This occurs as the atoms move with respect to the attracting and repelling forces that arise from electron-electron, electron-nucleus and nucleus-nucleus interactions. So it seems that the statement pertaining to electronic energy quoted above also applies to bond vibrational energy. In this light, how then can we distinguish between vibrational and electronic energies?
I’m interested in a definition of electronic energy that distinguishes it from the other forms of molecular energy.
I’d much appreciate any thoughts on this.
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