Born energy n born term
Physics
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The Born-Landé equation calculates the lattice energy of an ionic crystal. It considers the electrostatic attraction between ions and the repulsion due to electron cloud overlap.
The Born term (or Born energy) is the electrostatic potential energy term in the Born-Landé equation, representing the attraction between oppositely charged ions.
The Born-Landé equation is:
Lattice Energy = - (N_A × M × |z⁺z⁻|) / (4πε₀r₀) × (1 - 1/n)
Where:
- N_A is Avogadro's number
- M is the Madelung constant
- |z⁺z⁻| is the product of the absolute ionic charges
- ε₀ is the permittivity of free space
- r₀ is the shortest distance between the ions
- n is the Born exponent (a measure of electron cloud repulsion)
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