Table 3. Relative Gibbs Free Energy Values (ΔG, in kcal/mol) and Vertical and Adiabatic Detachment Energy (VDE and ADE, in eV), Calculated for the [dGMP – 2H]2–·3H2O Systems at the CAM-B3LYP/6-31++G(d,p) Level, Characterized by Equilibrium Fraction xM ≥ 0.01a.
| name | ΔG | VDE | ADE | xM |
|---|---|---|---|---|
| three-m1 | 0.2 | 2.17 | 1.76 | 0.13 |
| three-m2 | 0.2 | 2.17 | 1.76 | 0.13 |
| three-m3 | 0.5 | 2.17 | 1.77 | 0.08 |
| three-m4 | 0.2 | 2.09 | 1.72 | 0.12 |
| three-m5 | 0.2 | 2.11 | 1.72 | 0.12 |
| three-m6 | 0.4 | 2.08 | 1.71 | 0.09 |
| three-m13 | 0.3 | 2.08 | 1.71 | 0.11 |
| three-m15 | 0.0 | 2.07 | 1.69 | 0.18 |
| three-m21 | 1.4 | 2.37 | 1.93 | 0.02 |
| weighted average | 2.11 | 1.73 | ||
| experimental values | 2.20 | 1.95 |
Data for the dominant three-m15 geometry, as well as weighted average VDE and ADE, are bolded. Characteristics for all the obtained geometries for triply hydrated [dGMP – 2H]2– are gathered in Table S3 in the Supplementary Information.