Table 1 Raman and ATR-FTIR vibrational modes assignment for fish fossil.
From: Biofinder detects biological remains in Green River fish fossils from Eocene epoch at video speed
Raman peak position (cm−1) | Assignment | ATR-FTIR peak position (cm−1) | Assignment |
|---|---|---|---|
652 | C–C twisting | ||
1041 | C–C stretching | ||
1080 | Carbonate sym stretch | ||
1165 | C–H in plane bending | ||
1275 (sh) | C=CH deformation | ||
1305 | CH2 twist/bending | ||
1381 | CH3 deformation lipid | 1414 | C-H deformation |
1441 | CH2 bending lipid | 1453 | CH3 bending lipid |
1581 | C=C bending | 1535 | C=C |
1599 | C=O stretching | 1599 | C=O stretching |
1621 | C=C stretching | 1621 | C=C stretching |
1730 | C=O stretching lipid | 1721 | C=O stretching |
2857 | CH2 sym stretch lipid | 2855 | CH2 stretch lipid |
2904 | CH2 asy stretch | ||
2928 | CH3 sym stretch | 2927 | CH stretch |
3074 | CH asy stretch |
