# pair_style extep command

## Syntax

``` LAMMPS
pair_style extep
```

## Examples

``` LAMMPS
pair_style extep
pair_coeff * * BN.extep B N
```

## Description

Style *extep* computes the Extended Tersoff Potential (ExTeP)
interactions as described in [(Los2017)](Los2017).

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## Restrictions

none

## Related commands

[pair_tersoff](pair%20tersoff)

## Default

none

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::: {#Los2017}
**(Los2017)** J. H. Los et al. \"Extended Tersoff potential for boron
nitride: Energetics and elastic properties of pristine and defective
h-BN\", Phys. Rev. B 96 (184108), 2017.
:::