What absorbs at 1235 cm⁻¹ in an FTIR spectrum?
A band near 1235 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 |
|---|---|---|---|
| C-O single bond | 2 | 2 | 1,0 |
| Amide | 2 | 2 | 0,9 |
| Nucleic acid | 1 | 1 | 1,0 |
| S s | 1 | 1 | 0,9 |
| Phosphate (PO4) | 1 | 1 | 0,8 |
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
-
Nucleic acid confiance 1,0
“Explicit assignment: 'DNA bands regions at ... 1235'”
Boydston-White 等 - 2006 - Cell-cycle-dependent variations in FTIR micro-spec DOI: 10.1016/j.bbamem.2006.04.018. -
C-O single bond confiance 1,0
“C-O in vinyl acetate”
Omastova 等 - 2019 - Electrospinning of Ethylene Vinyl AcetateCarbon N DOI: 10.3390/polym11030550 -
S s confiance 0,9
“Sulfur containing compound detected at 1235 (S-S).”
Barreto 等 - 2017 - Evaluation of the anticorrosion performance of pee DOI: 10.1590/S1517-707620170003.0186 -
Amide confiance 0,9
“From amide III of collagen”
Hass 等 - 2021 - Methacrylate-functionalized proanthocyanidins as n DOI: 10.1016/j.dental.2021.04.006. -
Amide confiance 0,9
“Explicit assignment in text”
Paik 等 - 2022 - Dentin Biomodification with Flavonoids and Calcium DOI: 10.3390/ma15041494 -
confiance 0,9
“Explicitly attributed to random coil conformation.”
Park 和 Um - 2021 - Effect of Relative Humidity on the Electrospinning DOI: 10.3390/polym13152479 -
C-O single bond confiance 0,9
“Explicit assignment: C-O-C vibrations (1235 cm-1)”
Popescu 等 - 2021 - Multifunctional Finishing of Cotton with Compounds DOI: 10.3390/polym13030410 -
confiance 0,9
“Explicit assignment: absorption peaked at 1235 cm-1 (tertiary structure of collagen triple helix).”
Rung 等 - 2021 - Application of Epigallocatechin-3-gallate (EGCG) M DOI: 10.3390/ma14164660
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