tpsaContrib : Cast e Elem => Cast b BondOrder => IGraph k (AromBond b) (Atom e Charge p r HCount t ch l) -> Fin k -> DoubleComputes the contribution to the total polar surface area (TPSA)
from a single atom.
tpsa : Cast e Elem => Cast b BondOrder => IGraph k (AromBond b) (Atom e Charge p r HCount t ch l) -> DoubleComputes the total polar surface area (TPSA) of a molecule.