Born-Huggins-Meyer potential

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The Born-Huggins-Meyer potential (although looking at the authors/publications perhaps it would be more precisely known as the Born-Meyer-Huggins potential) [1] [2] [3] is given by [4]

\Phi_{12}(r) =  A \exp \left[ B(\sigma - r) \right] - \frac{C}{r^6} - \frac{D}{r^8}


The first term is an exponential repulsion, followed by dipole-dipole and dipole-quadrupole dispersion terms. This potential is often augmented with a Coulombic interaction.

This potential is often used to study alkali halides.