Table 1.
Assignment of the prominent bands labelled in the dhurrin spectrum (Fig. 1). δ denotes a bending vibration and ν denotes a stretching vibration. The strength of the bands is indicated by the letters: s (strong); m (medium); and, w (weak)21.
| Wavenumber (cm−1) | Band Assignment (strength of band) |
|---|---|
| 865 | δ C-H (s) |
| 1000 | δ C-C (w) |
| 1085 | δ C-C (w) |
| 1130 | δ C-C (m) |
| 1177 | δ C-C (m) |
| 1620 | νC-C |
| 2245 | νC≡C (s) |
| 2820 | νC-H from aromatic groups (w) |
| 2906 | νC-H from aromatic groups (s) |
| 2933 | νC-H from aromatic groups (s) |
| 2954 | νC-H from aromatic groups (s) |
| 3065 | νC-H from aromatic groups (m) |