openff.interchange.components.base.BasevdWHandler

pydantic model openff.interchange.components.base.BasevdWHandler[source]

Bases: _BaseNonbondedHandler

Base handler for storing vdW interactions.

Fields
field type: str = 'vdW'
field expression: str = '4*epsilon*((sigma/r)**12-(sigma/r)**6)'
field method: Literal['cutoff', 'pme', 'no-cutoff'] = 'cutoff'
field mixing_rule: Literal['lorentz-berthelot', 'geometric'] = 'lorentz-berthelot'

The mixing rule (combination rule) used in computing pairwise vdW interactions