What absorbs at 1166 cm⁻¹ in an FTIR spectrum?
A band near 1166 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 | 8 | 7 | 1,0 |
| Methoxy (OCH3) | 7 | 7 | 1,0 |
| Methacrylate | 7 | 7 | 1,0 |
| Acetate | 7 | 7 | 1,0 |
| Alkyl C-H | 3 | 3 | 1,0 |
| Amide | 2 | 2 | 1,0 |
| S s | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| Chlorine | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| C n single bond | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Carbohydrate | 1 | 1 | 0,8 |
| Lipid | 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
-
Acetate confiance 1,0
“C-N bending + stretching) was located at 1522 while the cm(cid:2)1 The presence of a melting peak suggested that the crystalline C-O-C peak at 1166 was attributed to the stretching cm(cid:2)1 structure of the PCL is preserved due to its rel”
Cetina-Diaz 等 - 2014 - Physicochemical characterization of segmented poly DOI: 10.1039/c3tb21500h -
Ester confiance 1,0
“cm(cid:2)1 1380cm(cid:2)1 showed strong lipid spectral peaks at 1166 and Biological tissue is essentially made up of proteins, nucleic 1748cm(cid:2)1, including a very strong carbonyl-ester band at and a acids, carbohydrates and lipids each”
Das 等 - 2008 - FTIR of touch imprint cytology A novel tissue dia DOI: 10.1016/j.jphotobiol.2008.05.012 -
Alkyl C-H confiance 1,0
“1447 C C stretching in benzoid rings 2996 C H stretching N stretching 1166 N S bond 1291 C”
Dey Sadhu 等 - 2020 - Preparation and characterization of polyanilinea DOI: 10.1002/pc.25738 -
Acetate confiance 1,0
“In particular, cm-1 alcohol), while the absorption band at 1166 Ni/Zr-BTC thermogram exhibited a third mass decrease originated from the C-O stretching vibration (secondary”
Lestari 等 - 2022 - Zirconium(IV)-BTC-Based MOF Modified with Nickel a DOI: 10.17576/jsm-2022-5109-16 -
confiance 1,0
“Furthermore, the intensities of several peaks, the C O vibrations associated with the pyranose ring including The KAS method can be described by the following equation cm-1, cm-1 at 1166 the N H bending vibration at 1609 and the [30]:”
Study on the thermal degradation kinetics and pyrolysis characteristics of chitosan-Zn complex DOI: 10.1016/j.jaap.2016.03.021 -
Amide confiance 1,0
“The 1165.75 absorption band indicated the existence of cm-1, aromatic amine (C-N stretch).”
The Nutritional Quality and Structural Analysis of Black Soldier Fly Larvae Flour before and after Defatting DOI: 10.3390/insects13020168 -
C c single bond confiance 1,0
“C-C-O-C stretching vibration of AC was represented by a distinct band around 1166, 1195 RESULTS AND DISCUSSION cm-1.”
Zulkifli 等 - 2020 - Corrosion Resistance Evaluation of Acrylic Coating DOI: 10.17576/jkukm-2020-32(2)-14 -
Alkyl C-H confiance 1,0
“Also, the band present at cm-1 cm-1 CH in cellulose and the band at 1166 1417 is related to the C-H group and bending”
Allouch 等 - 2019 - CHARACTERIZATION OF COMPONENTS ISOLATED FROM ALGER DOI: 10.1016/j.pecs.2012.02.002
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