DFT	Density Functional Theory
EDD	electron density distribution
QTAIM	Quantum Theory of Atoms in Molecules
BCP	bond critical point
RCP	ring critical point
LDA	Local Density Approximation
GGA	Generalized Gradient Approximation method
M-GGA	meta-GGA functional
H-GGA	hybrid GGA functional
HM-GGA	hybrid M-GGA functional
DH-GGA	double-hybrid GGA functional