What absorbs at 1528 cm⁻¹ in an FTIR spectrum?
A band near 1528 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 | 4 | 4 | 0,9 |
| Alkene (C=C) | 1 | 1 | 1,0 |
| C n single bond | 1 | 1 | 0,7 |
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
-
Alkene (C=C) confiance 1,0
“Explicit assignment: '1528' as part of C=C”
Shi 等 - 2006 - The investigation of argon plasma surface modifica DOI: 10.1016/j.eurpolymj.2006.01.007 -
confiance 0,95
“Explicit assignment in text: '1528cm-1 ... assigned to the C C stretching of 1,2,4-trisubstituted benzenes'.”
Salavagione 等 - 2005 - Spectroelectrochemical study of the oxidation of d DOI: 10.1016/j.electacta.2005.03.022 -
confiance 0,9
“Assigned as band C in figure caption.”
Liu 等 - 2020 - Effect of different carbohydrates on the functiona DOI: 10.1016/j.jcs.2020.102979 -
Amide confiance 0,9
“From snippet: 'amide bond located at 1528'”
Habibi 等 - 2022 - New insights into the structure of membrane foulin DOI: 10.1080/09593330.2020.1783370 -
Amide confiance 0,9
“Text: 'amide II (1528 cm-1)'.”
Ono 等 - 2021 - Encapsulation of Lactoferrin for Sustained Release DOI: 10.3390/pr9010073 -
confiance 0,9
“explicit assignment”
Popescu 等 - 2011 - Processing and immobilization of enzyme Ribonuclea DOI: 10.1557/jmr.2010.55 -
Amide confiance 0,9
“Explicitly assigned to amide II.”
Sharma 等 - 2009 - One-Dimensional Gold Nanoparticle Arrays by Electr DOI: 10.1002/anie.200901621. -
Amide confiance 0,7
“Band at 1528 cm-1 mentioned as protein absorption band.”
Furutani 等 - 2013 - Development of a rapid Buffer-exchange system for DOI: 10.2142/biophysics.9.123
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