Table 1.
Diffusion coefficients (D, × 10−5 [cm2·s−1]) for 1 (30 mM) in the presence of 90 mM glutaric acid (2) in CDCl3 measured by diffusion NMR (400 MHz, 298 K), using two different diffusion times
| ppm | Diffusion coefficient (D) (× 10−5 [cm2·s−1])* |
||
|---|---|---|---|
| Short diffusion time† | Long diffusion time‡ | ||
| Chloroform | 7.26 | 2.176 ± 0.002 | 2.182 ± 0.033 |
| Octol 1 (hexamer) | 0.89 | 0.249 ± 0.006 | 0.241 ± 0.001 |
| Octol 1 (hexamer) | 4.31 | 0.242 ± 0.005 | 0.245 ± 0.001 |
| Encapsulated glutaric acid 2 | −1.33 | 0.235 ± 0.001 | 0.241 ± 0.001 |
| Encapsulated glutaric acid 2 | 0.12 | 0.235 ± 0.002 | 0.244 ± 0.002 |
| Unencapsulated glutaric acid 2 | 2.46 | 1.075 ± 0.032 | 1.054 ± 0.007 |
*All values are averages of three experiments.
†Data acquired with relatively short diffusion time when Δ was set to 30 ms.
‡Data acquired with relatively long diffusion time when Δ was set to 60 ms.