Research Article
Nearest-Neighbor Interactions and Their Influence on the Structural Aspects of Dipeptides
Table 6
H-bond distancesa (in angstrom) for the intramolecular H-bond interactions detected in the dipeptide structures in both the phases.
| Dipeptides | Phases | N5⋯H10–N6 | O11⋯H–C7 | O12⋯H–C7 | O13⋯H–C7 |
| Sec-Val | Aqueous | 2.152 | 2.422 | abs | 2.658 | Gas | 2.228 | 2.349 | abs | 2.712 | Sec-Leu | Aqueous | 2.175 | 2.595 | abs | 2.555 | Gas | 2.208 | 2.413 | abs | 2.682 | Sec-Asp | Aqueous | 2.156 | 2.401 | 2.723 | abs | Gas | 2.176 | 2.323 | 2.670 | abs | Sec-Ser | Aqueous | 2.147 | 2.443 | abs | 2.537 | Gas | 2.224 | 2.402 | abs | 2.553 | Sec-Gln | Aqueous | 2.188 | 2.708 | abs | 2.532 | Gas | 2.207 | 2.504 | abs | 2.599 | Sec-His | Aqueous | 2.157 | 2.438 | abs | 2.530 | Gas | 2.221 | 2.412 | abs | 2.548 | Sec-Pyl | Aqueous | 2.162 | 2.523 | abs | 2.589 | Gas | 2.215 | 2.366 | abs | 2.637 |
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Only the (B⋯H) distances are listed where B is H-bond acceptor; abs: absent.
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