What absorbs at 855 cm⁻¹ in an FTIR spectrum?
Una banda cerca de 855 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 | 2 | 2 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| Hydrogen bond | 1 | 1 | 1,0 |
| Ring structure | 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
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Ring structure confianza 1,0
“The trend cm-1 observedfortheeffectofextrusionontheinitialcrystaltype ring vibration, while 855 was the 2a peak of D-gluco-”
Cao 等 - 2020 - Optimization of the preparation process of mung be DOI: 10.1515/ijfe-2020-0025 -
Alkyl C-H confianza 1,0
“2 Characteristic FTIR spectra of grease waste before bioremediation, showing bifurcated peaks at 2,855 cm-1 C-H and 2,926 represented aliphatic stretch biodegradation of hydrocarbons was observed faster compared to anaerobic degradation”
Negi 和 Kumar - 2012 - Evaluation of Techniques Used for Parameters Estim DOI: 10.1007/s12010-012-9562-6 -
Hydrogen bond confianza 1,0
“855cm1 tonic center of gravity at due to the strong hydrogen bonding in the formed complex.”
Alghanmi - 2019 - Synthesis, Characterization, and Biological Evalua DOI: 10.1155/2019/1743147 -
Alkyl C-H confianza 1,0
“cm-1 2800-2930 vibrations.19 thickness the C-H stretching The cm-1 could be assigned to the band observed at 855 ring.20 FTIR spectra of the coatings were analyzed to identify stretching vibrations of the oxirane The comparison of the spect”
Development of layer‐by‐layer assembled thin coatings on aluminium alloy AA2024‐T3 for high resolution studies of local corrosion processes DOI: 10.1002/app.49826 -
Carbonyl (C=O) confianza 1,0
“cm-1 cm-1 serum: 1656, 1632, 1555, and 1590 cm-1 associated with amide II and I of proteins, 1412 1656, 1632, 1555, and 1590 associated with amide II and I of proteins, 1412 and1122cm-1 cm-1 associated most probably with CH3 bands in lipids”
Araujo 等 - 2022 - Plasma versus Serum Analysis by FTIR Spectroscopy DOI: 10.3390/biotech11040056 -
Carboxyl (COOH) confianza 1,0
“Moreover, pronounced intensities at over, pronounced intensities at ~500, 850 and 950 cm-1 were observed, which correspond cm-1 cm-1), to C-C-O bending (540 cm-1), C-COO stretching (855 cm-1) and CH3 rocking (930 cm-1), ~500, 850 and 950 we”
Towards Autonomous Operation by Advanced Process Control—Process Analytical Technology for Continuous Biologics Antibody Manufacturing DOI: 10.3390/pr9010172
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