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. 2022 Mar 15;8(3):e09087. doi: 10.1016/j.heliyon.2022.e09087

Table 12.

B3LYP/6-311G++(2d,2p) free energy (G), relative free energy (ΔG) and ΔE(inh-Fe) of protonation process.

G(a.u.)a ΔG(kcal/mol) ΔE(inh-Fe) (eV)
SSBO + 4H+ −376.3758116 −15.125
SSBOH+ −367.3999148 - 7.314
SSBM + 4H+ −478.1817865 −22.004
SSBMH+ −478.2168521 −18.984 6.317
SSBP + 4H+ −590.4718576 −18.984
SSBPH+ −590.5021105 - 6.681
a

1u.a. = 627.509 kcal/mol.