Bond | Frequency (cm−1) | Change Δδ | |
HPβ-CD | SWE + HPβ-CD | ||
O-H | 3338.18 | 3317.93 | −20.25 |
C-H | 2925.48 | 2928.38 | +2.90 |
C=O(general carbonyl) | 1643.05 | 1634.38 | −8.70 |
C=O carboxyl | - | 1726.94 | +1726.94 |
C-OH | 1020.16 | 1021.12 | +0.96 |