What absorbs at 1302 cm⁻¹ in an FTIR spectrum?
A band near 1302 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 4 cited sources
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Carboxyl (COOH) | 2 | 2 | 0,9 |
| Amide | 1 | 1 | 1,0 |
| C=n | 1 | 1 | 0,8 |
| N h | 1 | 1 | 0,8 |
La clasificación refleja la evidencia acumulada de la literatura, no una única regla autorizada. Siempre confirme según el contexto de su muestra.
Literatura detrás de estas asignaciones
-
Amide confianza 1,0
“Explicit assignment: 'Raman absorption band of Amide III is at 1302'”
Liu 等 - 2013 - Silk-inspired polyurethane containing GlyAlaGlyAla DOI: 10.1002/app.39185 -
Carboxyl (COOH) confianza 0,9
“Same as above”
Marsac 等 - 2016 - Oxolinic Acid Binding at Goethite and Akaganeite S DOI: 10.1021/acs.est.5b04940 -
Carboxyl (COOH) confianza 0,8
“Peak at 1302 cm-1 attributed to these groups based on text.”
Varsani 等 - 2022 - Development of bio-based material from the Moringa DOI: 10.1016/j.heliyon.2022.e10447 -
confianza 0,7
“Text: 'characteristic peaks at 1302 and 1416 which correspond to vibrational modes'”
Asim 等 - 2022 - Sol-Gel Synthesized High Entropy Metal Oxides as H DOI: 10.3390/molecules27185951
¿Tiene un espectro con esta banda?
Cargue su espectro FTIR y obtenga un informe de interpretación completo — asignaciones de picos con citas bibliográficas, coincidencias de librerías y una cadena de evidencia con calificación de confianza — en segundos.
Interpretar mi espectro