What absorbs at 1317 cm⁻¹ in an FTIR spectrum?
A band near 1317 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 6 cited sources
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Amide | 1 | 1 | 0,9 |
| Protein alpha helix | 1 | 1 | 0,8 |
| Alkyl C-H | 1 | 1 | 0,7 |
| Hydroxyl (O-H) | 1 | 1 | 0,7 |
| C-O single bond | 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
-
confianza 0,95
“Explicit assignment in snippet: 'vibration at 1317 cm-1, O-C-O asymmetric stretching'”
Zivanovic 等 - 2021 - Differential Response of Two Tomato Genotypes, Wil DOI: 10.3390/plants10112308 -
confianza 0,9
“Part of the list of MBA peaks.”
Augugliaro 等 - 2009 - Home-prepared anatase, rutile, and brookite TiO2 f DOI: 10.1039/b818353h -
confianza 0,9
“explicit assignment in text”
Sangian 等 - 2018 - The structural modification of cassava starch usin DOI: 10.1590/1678-457X.18517 -
Amide confianza 0,9
“Explicit assignment: 1317 and 1236 (amide III)”
Uthaiwat 等 - 2021 - Characteristic Evaluation of Gel Formulation Conta DOI: 10.3390/polym13071142 -
Protein alpha helix confianza 0,8
“Text mentions 'bands (1339 and 1317) ... α-helix'.”
Wehrli 等 - 2021 - Thermally induced gluten modification observed wit DOI: 10.1016/j.ijbiomac.2021.01.008 -
C-O single bond confianza 0,7
“related to stretching of C-O and rocking of O-H and C-H”
Rosiak 等 - 2023 - Do Rutin and Quercetin Retain Their Structure and DOI: 10.3390/molecules28062713
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