What absorbs at 1252 cm⁻¹ in an FTIR spectrum?
A band near 1252 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 8 cited sources
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| Methacrylate | 8 | 7 | 1,0 |
| Acetate | 8 | 7 | 1,0 |
| Methoxy (OCH3) | 7 | 6 | 1,0 |
| C-O single bond | 7 | 6 | 1,0 |
| Amide | 6 | 5 | 1,0 |
| Secondary amine | 4 | 3 | 1,0 |
| Hydroxyl (O-H) | 4 | 3 | 1,0 |
| C c single bond | 3 | 3 | 1,0 |
| C n single bond | 3 | 2 | 1,0 |
| Alkyl C-H | 2 | 2 | 1,0 |
| Lignin | 2 | 2 | 1,0 |
| Ketone | 1 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Hydrogen bond | 1 | 1 | 1,0 |
| Oxygen heterocycle | 1 | 1 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Nitrate | 1 | 1 | 1,0 |
Le classement reflète les preuves bibliographiques accumulées, et non une règle faisant autorité. Confirmez toujours dans le contexte de votre échantillon.
Bibliographie derrière ces attributions
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Nitrate confiance 1,0
“cm.-1 cm-1 1248, 1292, 1500, 1625, and 3380 The peak at 1144 monodentate nitrate species initially indicated by peaks at 1252 NOcan be assigned to the formation of species on the surface cm-1 and 1295 shift to lower wavenumbers as the tempe”
Pena 等 - 2004 - Identification of surface species on titania-suppo DOI: 10.1021/jp0313122 -
Acetate confiance 1,0
“The broadpeak at 1252 that corresponds to C-O vibration [16].”
Salem 等 - 2017 - Study of the effect of surface treatment of kenaf DOI: 10.1088/1742-6596/908/1/012001 -
Amide confiance 1,0
“Collagen-specific amide bands Amide I (C = O stretching), Amide II and Amide III (N = H deformation) were identified at 1650-1740, stretching), Amide II and Amide III (N = H deformation) were identified at 1650-1740, 1541 and 1252 cm-1, res”
The Effect of Low-Processing Temperature on the Physicochemical and Mechanical Properties of Bovine Hydroxyapatite Bone Substitutes DOI: 10.3390/ma15082798 -
Acetate confiance 1,0
“The peaks at 1252, 1060 showed cose (Glu), mannose (Man), galactose (Gal), xylose (Xyl), cm-1 the existence of C-O bonds.”
Optimization of food-grade medium for co-production of bioactive substances by Lactobacillus acidophilus LA-5 for explaining pharmabiotic mechanisms of probiotic DOI: 10.1007/s13197-020-04894-5 -
Hydroxyl (O-H) confiance 1,0
“cm-1 C-H aliphatic stretching from -CH and -CH the peak at 1690 is due to C=O cm-1 stretching from -COOH, the peak at 1644 is due to C=C stretching [5], the peak at cm-1 cm-1 1252 is due to O-H bending in a hydroxyl group, and the peak at 1”
Physicochemical Characterization and Antibacterial Activity of Titanium/Shellac-Coated Hydroxyapatite Composites DOI: 10.3390/coatings12050680 -
Amide confiance 1,0
“1310 bonded C =O groups, which increased after RB treat- (C =O vibrations), 1252 (C-N and C-O stretching);”
Iliadi 等 - 2022 - Epsilon ffect of cleansers on the composition and DOI: 10.1186/s40510-022-00449-w -
Amide confiance 1,0
“LLM confirmed rule peak-group candidate”
Purification and Structural Characterization of the Central Hydrophobic Domain of Oleosin* DOI: 10.1074/jbc.M202721200 -
Acetate confiance 1,0
“cm-1 There were also found non-identified bands at 1350 and 1289 The band at 1252 would be due cm-1 to vibration of C-O group of polyols, such as hydroxyflavonoids [25].”
Oliveira 等 - 2016 - FTIR analysis and quantification of phenols and fl DOI: 10.1590/S1517-707620160003.0072
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