What absorbs at 1336 cm⁻¹ in an FTIR spectrum?
A band near 1336 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 |
|---|---|---|---|
| Alkyl C-H | 4 | 4 | 1,0 |
| Hydroxyl (O-H) | 2 | 2 | 1,0 |
| Nitrile | 1 | 1 | 1,0 |
| S eq o | 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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Alkyl C-H confiance 1,0
“The HWS spectrums displayed CH twisting at 2 1336cm-1 cm-1 and CWS samples spectrum were shifted to higher ones at 1357-1367 indicating cm-1 RIPT C-H symmetric bending of CH in CWS spectrums.”
Butt 等 - 2019 - Rice starch citrates and lactates A comparative s DOI: 10.1016/j.ijbiomac.2019.01.019 -
confiance 1,0
“1g Journal cm-1 cm-1that sharp peaks appeared at1600.89 and 1335.87 corresponds to G-band and D-band respectively for 5mM Fe 3O 4/rGO nanocomposite [33].”
Devi 等 - 2020 - Investigation of chemical bonding and supercapacit DOI: 10.1016/j.diamond.2020.107756 -
S eq o confiance 1,0
“In the spectra of complexes (II) and (III), the unbound sulfonyl group was described by two νas(SO2) bands, which were located at 1356 cm-1 and 1336 cm-1 for (II), and at 1347 cm-1 and 1334 cm-1 for (III).”
Study of Lithium-Extraction Systems Based on Benzo-15-Crown-5 Ether and Alkylimidazolium-BasedIonic Liquid DOI: 10.3390/molecules28030935 -
Alkyl C-H confiance 1,0
“A significant increase of the absorption band transmittance at 1426 cm-1 assigned to the C-H cm-1 A significant increase of the absorption band transmittance at 1426 assigned to the C-H bending [64] and of the absorption band at 1371 cm-1 a”
Bacterial Nanocellulose from Side-Streams of Kombucha Beverages Production: Preparation and Physical-Chemical Properties DOI: 10.3390/polym9080374 -
Hydroxyl (O-H) confiance 1,0
“The wide band at 3441 represents the cm-1 cm-1 cm-1, around 1336 O-H stretching vibration.”
Hamisu 和 Celik - 2017 - Poly(AN-co-PEGMA)hBNNaClO4 composite electrolyte DOI: 10.1515/epoly-2017-0022 -
Alkyl C-H confiance 1,0
“cm-1 cm-1 In the fingerprint region, the two peaks at 1452 and ~1420 (Figure 9) and 1336 cm-1 were resolved, originating from rocking modes of CH [48].”
Stabilization of Dry Sucrose Glasses by Four LEA_4 Proteins from Arabidopsis thaliana DOI: 10.3390/biom11050615 -
Hydroxyl (O-H) confiance 1,0
“LLM confirmed rule peak-group candidate”
Kljun 等 - 2014 - Analysis of the physical properties of developing DOI: 10.1016/j.eurpolymj.2013.11.016 -
Alkyl C-H confiance 1,0
“At 1336 cm-1 and 2926 cm-1, it is possible to denote a characteristic peak of corn starch, which relates to the stretching of asymmetric -CH2 bonds [51].”
Encapsulation of Concentrated Solution Obtained by Block Freeze Concentration in Calcium Alginate and Corn Starch Calcium Alginate Hydrogel Beads DOI: 10.3390/gels9050374
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