The energy versus separation for a diatomic molecule in the LCAO technique indicated that a bonding wave function resulted in a deep minimum in potential energy, resulting in an equilibrium state. The antibonding wave function has no minimum on the energy-separation curve. Explain qualitatively how the charge distribution (or, if you prefer, the 1912 distribution) changes between the bonding and anti-bonding configurations, and why the bonding configuration is more stable. To put it another way, where and why is the electron density located?

The energy versus separation for a diatomic molecule in the LCAO technique indicated that a bonding wave function resulted in a deep minimum in potential energy, resulting in an equilibrium state. The antibonding wave function has no minimum on the energy-separation curve. Explain qualitatively how the charge distribution (or, if you prefer, the 1912 distribution) changes between the bonding and anti-bonding configurations, and why the bonding configuration is more stable. To put it another way, where and why is the electron density located?

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