Wavenumber, cm−1 | Functional group | Assignment |
8192 | CH2- | C-H stretch 2nd overtone |
5901 | CH3- | C-H stretch 1st overtone |
5839 | CH3- | C-H stretch 1st overtone |
5785 | CH2- | C-H stretch 1st overtone |
5715 | -SH | S-H 1st overtone |
5577 | O-H | Water |
5191 | -CONH | C=O 1st overtone |
4659 | HC-CH | =C-H +C=C |
4350 | Protein | C-H 2nd overtone |
4288 | Protein | C-H +C-H def |
4227 | Protein | C-H def 2nd overtone |
4150 | Fat | C-H +C-C |
4042 | CH2 | C-H |