GROMACSVirtualSite3fad pydantic model openff.interchange.interop.gromacs.models.models.GROMACSVirtualSite3fad[source] Bases: GROMACSVirtualSite GROMACS virtual site type 3fad. Fields d (float) func (int) header_tag (int) theta (float) type (str) field type: str = '3fad' field header_tag: int = 3 field func: int = 3 field theta: float [Required] field d: float [Required]