An Investigation of a Combined Thiourea and Hexamethylenetetramine as Inhibitors for Corrosion of N80 in 15% HCl Solution: Electrochemical Experiments and Quantum Chemical Calculation

Table 5

Interaction and binding energy of the benzotriazole derivatives on N80 surface at 25 ± 1°C.

Inhibitors	/kJ mol^−1	/kJ mol^−1	/kJ mol^−1	Interaction energy/kJ mol^−1	Binding energy/kJ mol^−1
TU	7383.014504	7572.479812	−119.554346	−69.911	69.911
HMTA	6101.689515	6818.939516	−590.948316	−126.302	126.302
TU + HMTA	5441.742410	6012.418128	−438.324184	−132.352	132.352