Surface weighted charged partial positive charged surface area WPSA2

Definition:

PPSA2 – total charge weighted partial positively charged molecular surface area

TMSA - total molecular surface area

Reference: 

1. D.T. Stanton, P.C. Jurs, Anal. Chem., 1990, 62, 2323; D.T. Stanton, L.M. Egolf, P.C. Jurs, M.G. Hicks, J. Chem. Inf. Comput. Sci., 1992, 32, 306.