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. 2023 Nov 21;62(48):19433–19445. doi: 10.1021/acs.inorgchem.3c02329

Table 4. Relative Energies (kJ/mol) of the Five Structures in Figure 7 Calculated with Either r2SCAN or TPSSh and the Larger def2-TZVP Basis Set (TZ) or with the Original def2-SV(P) Basis Set (SV) and with the Surrounding Protein and Water Molecules Relaxed (Relax).

DFT protonation BS SV TZ SV-relax
r2SCAN S2B(3) 2467 0 0 0
  S2B(5) 2467 9 7 20
  Fe2 2358 26 26 29
  S3A(5) 2467 43 41 54
  C3457 2468 61 64 62
TPSSh S2B(3) 1256 0 0 0
  S2B(5) 1256 6 –1 12
  Fe2 2358 32 30 37
  S3A(5) 2468 42 31 46
  C3457 1256 35 32 36