What absorbs at 1475 cm⁻¹ in an FTIR spectrum?
Una banda cerca de 1475 cm⁻¹ puede apuntar a varios grupos funcionales. A continuación se muestran las asignaciones más probables, clasificadas por cuánta evidencia publicada respalda cada una — cada una trazable a literatura (DOI) y validada de forma cruzada con nuestros más de 130,000 espectros de referencia y grafo de conocimiento.
Backed by 6 cited sources
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Alkyl C-H | 3 | 2 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Carbonate | 1 | 1 | 1,0 |
| Alkene (C=C) | 1 | 1 | 1,0 |
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 1,0
“cm-1 cm-1 Characterizations 1714 for C=O stretching and 1475 for aromatic cm-1 C=C stretching in PBAT chains.”
Ibrahim 等 - 2011 - A study of poly vinyl chloridepoly(butylene adipa DOI: 10.1007/s10965-010-9486-1 -
Carbonate confianza 1,0
“A weak band at 1475 neutral density (metal net) filter and an IR-cut filter were also used to 32-) ions44 may be assigned to carbonate (CO at the TiO surface.”
Nakamura 等 - 2003 - In situ FTIR studies of primary intermediates of p DOI: 10.1021/ja029503q -
Carboxyl (COOH) confianza 1,0
“The 1400cm-1 COO-1 correspond to the bands observed at 1475 and asymmetricandsymmetricstretchingvibrations,respectively.The bands for C-O and sulphonate group are also present at 1225 and”
Micelle based synthesis of cobalt ferrite nanoparticles and its characterization using Fourier Transform Infrared Transmission Spectrometry and Thermogravimetry DOI: 10.1016/j.matchemphys.2010.06.029 -
Alkyl C-H confianza 1,0
“Spectrum of the PE film before irradiation show the 05 characteristic absorption peaks of long alkyl chain in the 2919cm-1, 2857cm-1, 1475cm-1, 715cm-1.”
Asghar 等 - 2011 - Comparative Solid Phase Photocatalytic Degradation DOI: 10.1155/2011/461930 -
Alkyl C-H confianza 1,0
“cm-1 observed at 2827 and 2525 The bands observed at 1475 and 1456 in FT-IR spectra are attributed to the scissoring symmetric and asymmetric vibrations δ(C-H), respectively.”
Growth, crystal structure, Hirshfeld surface and vibrational properties of a new supramolecular hybrid material: (C4H7N2)2TeBr6 DOI: 10.1007/s00289-021-04053-6 -
Hydroxyl (O-H) confianza 1,0
“Before conditioning in water, in the FTIR spectra of the CH/LA/UMP and the CH/HCL/UMP systems, characteristic peaks are detected at wavenumbers: around cm-1 cm-1 1690 (C(2)=O stretching mode), near 1475 (in plane deformation mode of cm-1 cm”
Physico-Chemical Properties and Biocompatibility of Thermosensitive Chitosan Lactate and Chitosan Chloride Hydrogels Developed for Tissue Engineering Application DOI: 10.3390/jfb12020037
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