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GFN-xTB geometries are reoptimized at the PBEh-3c [22] level of theory, including DCOSMO-RS [23], the self-consistent implementation of the COSMO-RS [24, 25] implicit solvation model for water.
Total energies 𝐸𝑒𝑙 are calculated with the DSD-BLYP-D3(BJ)/def2-TZVPD double-hybrid density functional [26,27,28,29].
Solvation contributions 𝛿𝐺298K𝑠𝑜𝑙𝑣 are calculated using the COSMO-RS (fine) continuum solvation model for water [24, 25].
Entropic contributions 𝐺298K𝑅𝑅𝐻𝑂 are calculated in the RRHO approximation using GFN-xTB(GBSA) [18].