What absorbs at 1334 cm⁻¹ in an FTIR spectrum?
A band near 1334 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 | 6 | 6 | 1,0 |
| Acetate | 6 | 6 | 1,0 |
| Amide | 5 | 5 | 1,0 |
| Methoxy (OCH3) | 5 | 5 | 1,0 |
| C-O single bond | 5 | 5 | 1,0 |
| Alkyl C-H | 5 | 5 | 1,0 |
| Secondary amine | 4 | 4 | 1,0 |
| C n single bond | 4 | 4 | 1,0 |
| Ring structure | 2 | 2 | 1,0 |
| Aromatic ring | 2 | 2 | 1,0 |
| N-O bond | 2 | 2 | 1,0 |
| Hydroxyl (O-H) | 2 | 2 | 1,0 |
| S eq o | 2 | 2 | 1,0 |
| Amine primary | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| Amino acid | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Silicate | 1 | 1 | 1,0 |
| Ketone | 1 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Chlorine | 1 | 1 | 1,0 |
| Lignin | 1 | 1 | 1,0 |
| Nitrogen heterocycle | 1 | 1 | 1,0 |
| Protein | 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
-
Hydroxyl (O-H) confiance 1,0
“A cm-1 peak at 1334 came from -OH bending.”
Electrochemical and Ion Transport Studies of Li+ Ion-Conducting MC-Based Biopolymer Blend Electrolytes DOI: 10.3390/ijms23169152 -
Alkyl C-H confiance 1,0
“Bands of Peak around 1334 cm(cid:0) 1 C-H C-O correspond to the deformation of asymmetric, where there is no lignin was observed [14] and 1241 associated to C-O stretching vibration of guiacyl ring of OPT [15] and removal of hemicellulose.”
Microencapsulation of ginger-based essential oil (Zingiber cassumunar roxb) with chitosan and oil palm trunk waste fiber prepared by spray-drying method DOI: 10.1016/j.csite.2020.100606 -
Alkyl C-H confiance 1,0
“CH deformation and the rocking mode of the C-H bond near Cl are attributed to 2 cm-1 cm-1, cm-1, bands at 1334 and 1245 respectively.”
Ramadan 和 Ismail - 2022 - Tunning the Physical Properties of PVDFPVCZinc F DOI: 10.21203/rs.3.rs-935328/v1 -
confiance 1,0
“Characteristic peak of valdecoxib”
Thakral 等 - 2010 - Eudragit S-100 entrapped chitosan microspheres of DOI: 10.1007/s10856-010-4109-2 -
Carboxyl (COOH) confiance 1,0
“The new peaks cm-1 appeared at 1334, 1572.7 and 3345 after surface modification of CNTs and are related to COOH, O-H and C=O bonds, respectively, for the attachment of carboxyl, alcohol and carbonyl functional groups onto the CNTs surface [”
Preparation and Characterization of Polymer Membranes Impregnated with Carbon Nanotubes for Olive Mill Wastewater DOI: 10.3390/polym14030457 -
Acetate confiance 1,0
“Other peaks at 1334, 1402, and 1054 peak are assigned to the C-O, C-N, and C-O-C stretching, respectively (Ahamad et al., 2020a;”
Ahamad - 2022 - CoSe2@N-Doped Graphene Nanocomposite High-Efficien DOI: 10.21203/rs.3.rs-1197256/v1 -
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 -
Silicate confiance 1,0
“This band and band at 1334 can vibration of calcium carbonate obtained on the surface of be also assigned to the splitting of ν 3 the silicate particles, influenced by adsorption of CO from atmosphere during the synthesis”
Colovic 等 - 2013 - Creating of Highly Active Calcium-Silicate Phases DOI: 10.2298/SOS1303341C
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