Fig. 1 | Nature Communications

Fig. 1

From: Understanding the apparent fractional charge of protons in the aqueous electrochemical double layer

Fig. 1

Computational cells for the Pt(111) | acidified water interface. Gray spheres represent Pt atoms, red spheres represent O atoms, and white spheres represent H atoms. The hydronium oxygen is highlighted in blue in all cases. Periodic cells are separated by at least 15 Å of vacuum in the z direction between the metal and the solvent. a, b Side and top views of a proton in the outer Helmholtz plane, respectively. c, d Side and top views of a proton in the third solvent layer, respectively

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