fig6

Figure 6. Charge density difference and Bader charge values during the hydrogen evolution reaction, (A) CoN₄-gra and (B) CoCoN₆-gra. COHP and DOS between M-H in *H of (C) CoN₄-gra and (D) CoCoN₆-gra. COHP: Crystal orbital Hamiltonian population; DOS: density of state.