Table 4.
FTIR spectra of flower methanol extract of Heliotropium bacciferum.
| S. number | Peak values/wave number (cm−1) | Type of bond | Functional group |
|---|---|---|---|
| 1 | 2957 | C–H stretch | Alkanes |
| 2 | 2930 | C–H stretch | Alkanes |
| 3 | 1728 | C=O stretch | Esters, saturated aliphatic |
| 4 | 1600 | C–C stretch in ring
|
Aromatic compounds |
| 5 | 1269 | C–H wag (–CH2X) | Alkyl halides |
| 6 | 1167 | C–N stretch | Aliphatic amines |
| 7 | 1123 | C–N stretch | Aliphatic amines |
| 8 | 1070 | C–N stretch | Aliphatic amines |
| 9 | 993 | =C–H bend | Alkenes |
| 10 | 770 | C–Cl stretch | Alkyl halides |
| 11 | 743 | C–Cl stretch | Alkyl halides |
| 12 | 707 | C–H rock | Alkanes |
| 13 | 663 | –C=C–H, C–H bend | Alkynes |
| 14 | 631 | C–Br stretch | Alkyl halides |