Enable atoms for adding bare VdW.
Enable atoms for adding bare VdW to CNDO2, INDO, ZINDO/S, and MNDO-series except for AM1-D and PM3-D.
fixed at r1669
Enable atoms for adding bare VdW to CNDO2, INDO, ZINDO/S, and MNDO-series except for AM1-D and PM3-D.