VDW surface area over which Vs is negative
VDW surface area over which Vs is positive
Minimum electrostatic potential at the VDW surface
Maximum electrostatic potential at the VDW surface
The quadrupole moment zz component about center of mass (MPEOE charge)
Electrostatic balance parameter at the VDW surface
Maximum electrostatic potential on the solvent accessible surface
Variance of negative electrostatic potential at the VDW surface
Variance of negative electrostatic potential on the solvent accessible surface
Variance of positive electrostatic potential on the solvent accessible surface