From: Spectroscopic determination of alkyl resorcinol concentration in hydroxyapatite composite
Wavenumber (cm−1) | Bond | Position | Reference |
---|---|---|---|
3340, 3419 | Hydrogen bonded OH stretching | 1, 2 | (Kim et al. 2012) |
3039 | Aromatic CH stretching | 3 | (Kim et al. 2012) |
2960 | Aliphatic CH3 asymmetric stretching | 4 | |
2922 | Aliphatic CH2 asymmetric stretching | 5 | |
2873 | Aliphatic CH3 symmetric stretching | 6 | |
2856 | Aliphatic CH2 symmetric stretching | 7 | |
1620, 1527 | Aromatic ring C–C stretching | 8, 9 | (Coates 2000) |
1452 | Aliphatic CH2 bending | 10 | |
1435 | Aliphatic CH3 asymmetric bending | 11 | (Coates 2000) |
1398 | Phenolic OH bending | 12 | (Coates 2000) |
1377 | Aliphatic CH3 symmetric bending | 13 | |
1304 | Aliphatic CH2 wagging (disordered phase) | 14 | (Krimm et al. 1956) |
1234, 1217, 1192, 1155 | C–O stretching | 15 | |
1116 | C–C–H bending | 16 | (Hallos 1984) |
1095 | C–C stretching | 17 | |
1047 | OH deformation stretching | 18 | (Evanoff and Chumanov 2004) |
974 | CH2 wagging or twisting | 19 | (Kozubek and Tyman 1999) |
924 | C–O stretching | 20 | |
891 | CH3 rocking | 21 | (Krimm et al. 1956) |
864, 839, 800, 791, 779 | Aromatic C–H out-of-plane bending | 22 | |
725, 740 | CH2 rocking | 23 | |
696 | Out-of-plane ring C=C bending | 24 | (Silverstein et al. 1991) |
617 | OH out-of-plane bending | 25 | (Silverstein et al. 1991) |