Relative shadow areas of a molecule

Definition:

C – contour of the projection of the molecule on the plane defined by two principal axes of the molecule (k = XY, XZ or YZ plane)

- x or y

p - y or z

Reference:

1. M. Karelson, Molecular Descriptors in QSAR/QSPR, J. Wiley & Sons, New York, 2000.