What absorbs at 1179 cm⁻¹ in an FTIR spectrum?
A band near 1179 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 |
|---|---|---|---|
| Phosphate (PO4) | 2 | 1 | 0,9 |
| Fluorine (C-F) | 1 | 1 | 1,0 |
| Carbonate | 1 | 1 | 0,9 |
| Alkyl C-H | 1 | 1 | 0,8 |
| C n single bond | 1 | 1 | 0,8 |
| C-O single bond | 1 | 0 | 0,95 |
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
-
Fluorine (C-F) confianza 1,0
“Explicitly stated: 'symmetric stretching vibrations of CF were ascribed to the bands that occurred at 1179'.”
Ramadan 和 Ismail - 2022 - Tunning the Physical Properties of PVDFPVCZinc F DOI: 10.21203/rs.3.rs-935328/v1 -
Phosphate (PO4) confianza 0,9
“Text: 'peak (1179 P=O)'”
Oliveira 等 - 2017 - Chemical Interaction Analysis of an Adhesive Conta DOI: 10.2341/16-062-L -
Carbonate confianza 0,9
“Explicit assignment: 'carbonate bands at 1046 and 1179 cm-1'”
Abd El-Kader 等 - 2021 - Morphological, structural and antibacterial behavi DOI: 10.1016/j.jmrt.2021.09.048 -
C n single bond confianza 0,8
“Bands at 1179, 1031, 739, 689 cm-1 correspond to C-N and C-H vibrations from benzenoid and quinoid sections.”
Guerrero 等 - 2019 - Purification and Glutaraldehyde Activation Study o DOI: 10.3390/molecules24010063
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