Research Article

A Study of 1-Benzyl-3-phenyl-2-thiourea as an Effective Steel Corrosion Inhibitor in 1.0 M HCl Solution

Table 6

Electronic parameters derived for neutral as well as protonated inhibitors.

InhibitorsEHOMO (eV)ELUMO (eV)ΔE(L-H) (eV)η (eV)S (eV−1)

BPTU−5.61−0.934.68−3.272.34
URO−6.040.886.923.460.29
pBPTU−S1−10.04−4.845.212.600.38
pURO−N−11.05−4.266.783.390.29