qpmax	maximum positive charge
qnmax	maximum negative charge
Qpos	total positive charge
Qneg	total negative charge
Qtot	total absolute charge (electronic charge index - ECI)
Qmean	mean absolute charge (charge polarization)
Q2	total squared charge
RPCG	relative positive charge
RNCG	relative negative charge
SPP	submolecular polarity parameter
TE1	topological electronic descriptor
TE2	topological electronic descriptor (bond resctricted)
PCWTe	partial charge weighted topological electronic descriptor
LDI	local dipole index