𝐸 pzc,SHE 0 is defined as the value for the case of 𝛿𝜇 ̃= 0, namely, the case in which metal-water interactions are the same for water molecules possessing α w = 0° and α w = 180°. This artificial case is hardly met. In the general case of 𝛿𝜇 ̃≠ 0, we obtain,