
																
																	QTAIM study of substituent effects on the intramolecular hydrogen bond in 3,3â²-dihydroxy-4,4â²-[5-methyl-1,3-phenylenebis(nitrilomethylidyne)]-bis-phenol
																
																
																
															Keywords: Substituent effect; Intramolecular hydrogen bond; QTAIM theory; Transition state;