Use of a Metallic Complex Derived from Curcuma Longa as Green Corrosion Inhibitor for Carbon Steel in Sulfuric Acid

Table 6

The calculated quantum chemical descriptors for protonated SnX molecule obtained using DFT at the B3LYP/LANL2DZ basis set in aqueous phase.

Protonated molecule	HOMO (eV)	LUMO (eV)	(eV)	(Debye)	IP (eV)	EA (eV)	(eV)	(eV)	(eV)
	-5.80	-2.96	3.43	38.03	5.68	3.12	4.40	1.28	7.58