GROMACSVirtualSite2 pydantic model openff.interchange.interop.gromacs.models.models.GROMACSVirtualSite2[source] Bases: GROMACSVirtualSite GROMACS virtual site type 2. Fields a (float) func (int) header_tag (int) type (str) field type: str = '2' field header_tag: int = 2 field func: int = 1 field a: float [Required]