Functional class | Functional group | Normal range (cm−1) | North Indian Kitchen (Spectra detected cm−1) | South Indian Kitchen (Spectra detected cm−1) |
---|---|---|---|---|
Alkane | C-H strech | 2950-2850 | 2925.58,2930.41 | 2925.99,2950,2930.36 |
Alkene | C-H strech | 3100-3010 | 3020.05 | 3019.08,3021.27 |
C = C Strech | 1680-1620 | ND | 1634.08 | |
Alkyne | C = C Strech | 2260-2100 | ND | 2126.09, |
Aromatic | C = C strech | 1400-1600 | 1543.71, 1584.35 | ND |
Alcohol/Phenol | C-O strech | 1150-1050 | 1068.65,1065.29,1068.25 | 1068.16,1080.18,1111.17 |
O-H strech | 3550-3200 | 3399.78,3402.43,3399.79 | 3399.88,3417.45,3393.67,3400.75,3397.31 | |
Carboxylic Acid | O-H strech | 3000-2500 | ND | 2520.54,2839.84 |
Amine | C-N strech | 1080-1360 | 1215.3,1154.96,1266.83 | 1154.88,1215.71,1216.02,1218.74 |
Amide | C = O strech | 1690-1630 | 1638.74 | 1638.84,1634.08,1644.48,1644.08 |