673 |
|
|
tryptophan (ring breathing) |
15 |
|
|
717 |
membrane phospholipids head (C-N); adenine; lipids (CN+ (CH3)3) |
15 |
748 |
748 |
748 |
DNA |
15 |
|
|
851 |
proline&hydroxyproline (side chain vibration); tyrosine (ring breathing and Fermi doublet); glycogen |
15,16
|
919 |
|
|
proline; hydroxyproline; glycogen; lactic acid |
15 |
|
|
957 |
carotenoids; phosphates νs(PO43−); cholesterol; quinoid ring in-plane deformation |
15,16
|
971 |
971 |
|
ν(C-C) wagging |
15 |
994 |
|
|
C-O ribose, C-C |
15,16
|
1003 |
1003 |
1003 |
phenylalanine νs (C-C) |
15,17
|
|
1006 |
1006 |
carotenoids |
15 |
1031 |
|
|
phenylalanine (δ(C-H) and C-H in-plane bending); protein (C-N stretching); carbohydrate residues of collagen |
15,16
|
1086 |
1084 |
1089 |
ν(C-C) gauche; ν1(CO32−); ν3(PO43−); ν(PO2−); ν(C-C) skeletal of acyl backbone in lipid (gauche conform.) |
15,16
|
1128 |
1128 |
1128 |
proteins (C-N stretching); carbohydrates (C-O stretching); ceramides; acyl backbone in lipid (trans conform., ν(C-C)) |
15, 16, 17
|
1156 |
1156 |
1156 |
protein (stretching C-C and C-N) |
15 |
1156 |
1156 |
1156 |
carotenoids |
15 |
1172 |
1172 |
1172 |
δ(C-H), tyrosine |
15 |
|
1205 |
|
ν(C–C6H5); tryptophan; phenylalanine; adenine and tyrosine (ring breathing); amide III |
16 |
1225 |
|
|
amide III (β sheet structure) |
15 |
1234 |
|
|
a concerted ring mode |
15 |
1239 |
|
|
amide III |
15, 16
|
|
1264 |
1264 |
lipids |
15 |
1307 |
1307 |
1307 |
lipid and collagen (twisting, bending, wagging) |
15 |
1337 |
1337 |
1337 |
C-H deformation (protein); amide III; glycine and proline side chain (CH2 wagging vibrations); adenine and guanine (ring breathing modes) |
15 |
1360 |
1360 |
1360 |
tryptophan |
15 |
1393 |
1393 |
1393 |
CH rocking |
15 |
1424 |
|
|
lipid (CH2 scissoring); deoxyribose (B, Z-marker) |
15 |
|
1440/1442 |
1440/1442 |
CH, CH2 and CH3 deformation; cholesterol; triglycerides (fatty acids); lipids (CH2 scissoring and CH3 bending); collagen |
15 |
1445 |
|
|
collagen (δ(CH2), δ(CH3) and CH2CH3 bending); phospholipids (δ(CH2), δ(CH3) and CH2CH3 bending); methylene (bending) |
15 |
1450 |
1448/1452/1464 |
1448 |
CH2CH3, CH2 and CH deformation; ν(C-H); δ(CH2); methyl groups bending; methylene deformation; proteins (δ(CH) and δ(CH2)) |
15 |
1498 |
|
1498 |
(C-C) stretching in benzenoid ring |
15 |
|
1516/1518 |
1516/1518 |
β-carotene ν(C-C); carotenoid (C-C and conjugated C = C stretching); porphyrin ν(C = C) |
14 |
|
1520 |
1520 |
(-C = C-) carotenoids |
15 |
1545 |
|
|
C6-H deformation; tryptophan |
15 |
1552 |
|
|
tryptophan ν(C = C); porphyrin ν(C = C) |
15 |
1557 |
|
1557 |
tryptophan; porphyrin ν(C = C); amide II (ν(CN) and δ(NH)); COO− (tyrosine, amide II) |
15 |
1584 |
1584 |
1584 |
phenylalanine δ(C-C); (C-C) olefinic stretching; hydroxyproline; acetoacetate; riboflavin; lipids |
15, 16, 17
|
1602 |
|
1602 |
phenylalanine δ(C-C) |
15 |
1638 |
1640 |
|
water (intermolecular bending and very weak and broad ν2) |
15 |
1660 |
1660 |
1660 |
ν(C-C) cis; (C-C) groups in unsaturated fatty acids; fatty acids; lipids; ceramide backbone; amide I |
15 |
|
2852 |
2852 |
νs(CH2); lipids; fatty acids |
15 |
2879 |
|
|
lipids and proteins (CH2 and CH) |
15 |
|
2888 |
2888 |
lipids and proteins (CH2 asymmetric stretching) |
15 |
2931 |
2931 |
2931 |
CH2 asymmetric stretching |
15 |
2936 |
|
2936 |
chain end CH3 symmetric band |
15 |
|
2960 |
2960 |
out-of-plane chain end asymmetric CH3 stretching |
15 |
|
3010 |
3010 |
unsaturated = CH stretching |
15 |