Table 3. Theoretically Estimated Binding and Gibb’s Free Energy of Formation for Ru–Citrate Species from [Ru(NO)(OH)5]2– and the Bond Distance (in Å) between Ru and the Atoms Directly Coordinated to It.
| species | BE/(kJ/mol) | ΔG/(kJ/mol) | Ru–N | Ru–O(OH) | N–O | Ru–O(citrate) |
|---|---|---|---|---|---|---|
| [Ru(NO)(OH)5]2– | 1.73 | 2.05, 2.02, 2.11, 2.05, 2.12 | 1.19 | |||
| [Ru(NO)(citrate)(OH)2]2– | –359.91 | –459.99 | 1.72 | 2.05, 1.98 | 1.17 | 2.10, 2.08, 2.14 |
| [Ru(citrate)2]3– | –387.45 | –517.22 | 2.09, 2.10, 2.04, 2.04, 2.10, 2.09 |