Electrostatic balance parameter

Definition:

  - variance of the positive electrostatic potential in the molecule

  - variance of the negative electrostatic potential in the molecule

  - total variance of the electrostatic potential in the molecule

Reference:

1. J. S. Murray, P. Lane, T. Brinck, P. Politzer, J. Phys. Chem., 1993, 97, 5144.