BCP	Bond Critical Point
CPMD	Car–Parrinello Molecular Dynamics
CVs	Collective Variables
DFT	Density Functional Theory
DORI	Density Overlap Regions Indicator
HB	Hydrogen Bond
IR	Infrared Spectroscopy
LBHB	Low-Barrier Hydrogen Bond
MD	Molecular Dynamics
NCI	Non-covalent Interactions Index
NMR	Nuclear magnetic resonance
PIMD	Path Integrals Molecular Dynamics
PT	Proton transfer
QTAIM	Quantum Theory of Atoms in Molecules
RCP	Ring Critical Point
RDG	Reduced Density Gradient
VDW	van der Waals