The investigation of the chloride attack on the passive layer continues taking oxides structures such as hematite (α-Fe2O3) to better represent the passive layer. The Fe2O3 and FeOOH structures are commonly found in the outer layer of the passive film. DFT studies showed that the Fe terminated α-Fe2O3(0001) surface is stable and a defective surface favours the dissociative adsorption of water. Similarly, Cl⁻ and OH⁻ adsorption on the α-Fe2O3