What absorbs at 1535 cm⁻¹ in an FTIR spectrum?
A band near 1535 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 |
|---|---|---|---|
| Amide | 10 | 9 | 1,0 |
| Carboxyl (COOH) | 3 | 3 | 0,95 |
| N h | 3 | 3 | 0,9 |
| Alkene (C=C) | 2 | 2 | 1,0 |
| C n single bond | 1 | 1 | 0,9 |
| Aromatic ring | 1 | 1 | 0,9 |
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
-
confiance 1,0
“Explicit assignment: '1535 (C=C bending and stretching mode)'”
Ballav 和 Biswas - 2004 - Preparation and evaluation of nanocomposites of po DOI: 10.1002/pi.1562 -
Alkene (C=C) confiance 1,0
“Explicit assignment.”
Dey Sadhu 等 - 2020 - Preparation and characterization of polyanilinea DOI: 10.1002/pc.25738 -
Carboxyl (COOH) confiance 0,95
“Explicit assignment in text.”
Ghumman 等 - 2022 - Synthesis of pH-Sensitive Cross-Linked Basil Seed DOI: 10.3390/gels8050291 -
Alkene (C=C) confiance 0,9
“Text states 'peak at 1535 shows the C=C vibration of structural aromatic'”
Arizka 等 - 2019 - Synthesis and Physical Properties Characterization DOI: 10.1088/1757-899X/546/4/042004 -
Amide confiance 0,9
“Explicit assignment: '1532~1535 cm-1 is assigned to Amide II'”
JOONSUK - 2019 - ATR-FTIR Analysis of Adhesives Jointing Buddhist S DOI: 10.12654/JCS.2019.35.1.02 -
N h confiance 0,9
“Explicit assignment: '1535 cm-1 for (-N-H and -C-N)'”
Salem 和 Salama - 2020 - Developing a New Class of UV-curable Polyurethane DOI: 10.21608/ejchem.2019.14853.1906 -
Amide confiance 0,9
“Peak at 1535 cm-1 corresponds to amide II bonds.”
Su 等 - 2021 - A Study of Combining Elastin in the Chitosan Elect DOI: 10.3390/md19030169 -
Amide confiance 0,9
“Text: 'N-H in-plane bend at 1535 (Amide II)'”
Dordevic 等 - 2021 - Incorporation of Natural Blueberry, Red Grapes and DOI: 10.3390/polym13193388
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