# Born equation

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The Born equation can be used for estimating the electrostatic component of Gibbs free energy of solvation of an ion. It is an electrostatic model that treats the solvent as a continuous dielectric medium (it is thus one member of a class of methods known as continuum solvation methods). It was derived by Max Born.[1]

${\displaystyle \Delta G=-{\frac {N_{A}z^{2}e^{2}}{8\pi \epsilon _{0}r_{0}}}\left(1-{\frac {1}{\epsilon _{r}}}\right)}$

where:

## References

1. ^ Atkins; De Paula (2006). Physical Chemistry (8th ed.). Oxford university press. p. 102. ISBN 0-7167-8759-8.