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Some physicochemical properties of the most relevant CDs (α-, β-, and γCD) at 25 °C.
| αCD | βCD | γCD | |
|---|---|---|---|
| Cavity diameter (Å) | ≈5.2 | ≈6.6 | ≈8.4 |
| Cavity volume (Å3) | 100 | 160 | 250 |
| Water molecules in the cavity (nr) | 2.5 | 5.0 | 8.5 |
| Aqueous solubility (M) | 0.12 | 0.016 | 0.17 |
| Gibbs free energy of dissolution (kJ/mol) | 15 | 20 | 14 |
