Table 1. Metric Parameters of the Intramolecular N···H···O Bond and the Shortest Intermolecular O···H–Ow Bond in the DN–·nH2O Complexesa Evaluated Using DFT Computations.
| parameter | n = 0 | n = 1 | n = 2 | n = 3 | n = 4 | n = 5 |
|---|---|---|---|---|---|---|
| O···N, Å | 2.627 | 2.547 | 2.722 | 2.737 | 2.782 | 2.808 |
| O–H (H–N),b Å | 1.030 | 1.071 | 1.041 | 1.037 | 1.031 | 1.028 |
| O···H···N, deg | 166.4 | 167.9 | 154.6 | 153.4 | 151.1 | 150.2 |
| O···Ow, Å | 2.916 | 2.713 | 2.704 | 2.658 | 2.686 | |
| O···H–Ow, deg | 157.7 | 173.6 | 175.5 | 176.5 | 175.8 |