What absorbs at 1488 cm⁻¹ in an FTIR spectrum?
A band near 1488 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 |
|---|---|---|---|
| Aromatic ring | 2 | 2 | 0,9 |
| Alkene (C=C) | 2 | 2 | 0,9 |
| Carbonate | 1 | 1 | 0,9 |
| Amide | 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
-
Alkene (C=C) confianza 0,9
“assigned to C=C”
Adam 等 - 2022 - Comparative Evaluation of Amlodipine Besylate Gene DOI: 10.14227/DT290422PGC2 -
confianza 0,9
“Explicit assignment: '1488 and 1586 (C=C-C aromatic ring stretch)'.”
Aquino 等 - 2018 - Synthesis and Characterization of Polysulfone (PSU DOI: 10.1051/matecconf/201821303001 -
Carbonate confianza 0,9
“Absorption band at 1488 cm-1 corresponds to carbonate.”
Esmaily 等 - 2015 - Influence of temperature on the atmospheric corros DOI: 10.1016/j.corsci.2014.10.040 -
Alkene (C=C) confianza 0,9
“Explicit assignment: C stretching vibrations.”
Hou 等 - 2012 - Sulfonated polyphenyl ether by electropolymerizati DOI: 10.1016/j.electacta.2012.07.082 -
Aromatic ring confianza 0,9
“Explicit assignment: 'aromatic bands at 1586 and 1488'”
Zhu 等 - 2021 - Removal of Sulfadiazine by Polyamide Nanofiltratio DOI: 10.3390/membranes11020104 -
Amide confianza 0,8
“Explicitly assigned to amide-II.”
Idris 等 - 2022 - Modification of Thin Film Composite Pressure Retar DOI: 10.3390/membranes12030282 -
Aromatic ring confianza 0,8
“Text states peak at 1488 cm-1 attributed to benzene ring.”
Zhou 等 - 2023 - High Efficiency Uranium(VI) Removal from Wastewate DOI: 10.3390/polym15020279 -
confianza 0,7
“Spectral structural carbohydrates peak area”
de Oliveira 和 Yu - 2023 - Quantitation of relationship and development of nu DOI: 10.5713/ab.22.0076
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