What absorbs at 3298 cm⁻¹ in an FTIR spectrum?
A band near 3298 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
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Hydroxyl (O-H) | 6 | 6 | 0,9 |
| N h | 2 | 2 | 0,9 |
| Amide | 2 | 2 | 0,9 |
| Protein | 1 | 1 | 0,9 |
| Secondary amine | 1 | 1 | 0,7 |
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
-
Hydroxyl (O-H) confianza 0,9
“Text: 'broad peak at 3298 attributed to O H'”
Shahid 等 - 2013 - Graft polymerization of guar gum with acryl amide DOI: 10.1016/j.ijbiomac.2013.08.018 -
Hydroxyl (O-H) confianza 0,9
“Text states 'absorbance at 3298 OAH vibration' and 'stretching vibration peak'.”
Zhang 等 - 2009 - Improvement of the Properties of Ground Tire Rubbe DOI: 10.1002/app.30626 -
Amide confianza 0,9
“Explicit assignment: '3298 v(N-H)stretching of amide A 3600-3000 Proteins'”
Barone 等 - 2020 - Autotrophic and Heterotrophic Growth Conditions Mo DOI: 10.3390/md18030169 -
N h confianza 0,9
“Text: 'N-H stretching cm-1 appeared at 3298'”
Bashir 等 - 2014 - In vitro Evaluation of Nateglinide-Loaded Microsph DOI: 10.4314/tjpr.v13i7.6 -
Hydroxyl (O-H) confianza 0,9
“Explicit assignment in text.”
Gutierrez 等 - 2016 - Influence of beet flour on the relationship surfac DOI: 10.1016/j.foodhyd.2015.10.012 -
Hydroxyl (O-H) confianza 0,9
“Broad vibrational band at 3298 cm-1 assigned to -OH functional group.”
Ong 和 Nomanbhay - 2022 - Optimization Study on Microwave-Assisted Hydrother DOI: 10.3390/en15113974 -
Hydroxyl (O-H) confianza 0,9
“Hydroxyl stretching bands at 3397 and 3298 cm-1.”
Paz 等 - 2023 - Spectroscopic study of mixtures of green copper pi DOI: 10.1016/j.culher.2022.12.004 -
Amide confianza 0,9
“attributable to amide A”
Pozzi 等 - 2021 - Aiding the cleaning of four 19th-century Tsimshian DOI: 10.1186/s40494-021-00513-4
¿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