What absorbs at 3695 cm⁻¹ in an FTIR spectrum?
Una banda cerca de 3695 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 8 cited sources
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Hydroxyl (O-H) | 8 | 8 | 1,0 |
| Hydrogen bond | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 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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Hydroxyl (O-H) confianza 1,0
“The spectra of [O-H] stretching of the inner-surface hydroxyl of S01, S02, S03, S04, cm-1, S05, and S06 show similar absorption bands at 3695.3, 3694.8, 3695.2, 3695.4, 3695.5 and 3695.9 cm-1 respectively.”
Unique Halloysite Nanotubes–Polyvinyl Alcohol– Polyvinylpyrrolidone Composite Complemented with Physico–Chemical Characterization DOI: 10.3390/polym9060207 -
Hydroxyl (O-H) confianza 1,0
“LLM confirmed rule peak-group candidate”
Weng 等 - 2020 - Black carbon enriches short-range-order ferrihydri DOI: 10.1016/j.scitotenv.2020.138195 -
Hydroxyl (O-H) confianza 1,0
“The intensely strong peak at 3695 corresponds to hydroxyl deformation modes.”
The Physico-Chemical and Mineralogical Characterization of Mg-Rich Synthetic Gypsum Produced in a Rare Earth Refining Plant DOI: 10.3390/su13094840 -
Hydroxyl (O-H) confianza 1,0
“LLM confirmed rule peak-group candidate”
Cankaya 等 - 2021 - Preparation of poly(MPAEMA)halloysite Nanocomposi DOI: 10.29356/jmcs.v65i2.1257 -
Hydroxyl (O-H) confianza 1,0
“LLM confirmed rule peak-group candidate”
Froehlich 等 - 2013 - Libyan Desert Glass New field and Fourier transfo DOI: 10.1111/maps.12223 -
Hydroxyl (O-H) confianza 1,0
“The bands at 3695 not degradated in the aqueous TiO suspension in the 2 assigned to the stretching of a hydroxyl group chemisorbed dark, but when they were irradiated with visible light in on the surfaces defect site, the bands in the range”
Janus 等 - 2008 - Dye decomposition on P25 with enhanced adsorptivit DOI: 10.2478/v10026-008-0021-7 -
Carbonyl (C=O) confianza 1,0
“Simultasamples)isincorrelationwiththeenhancementofthefreeO-H neous formation of new aldehydes and conversion of existing cm(cid:3)1 stretch at 3695 aldehydes to carboxyls will broaden the carbonyl band to both (see Fig.”
Hydroxylation and self-assembly of colloidal hydrogenated nanodiamonds by aqueous oxygen radicals from atmospheric pressure plasma jet DOI: 10.1039/c8ra07873d -
Hydrogen bond confianza 1,0
“9), suggesting that cm(cid:2)1 W-OH groups70 a band at 3695 due to isolated observed such awell-ordered inter-chain hydrogen-bonding network may under only in the spectra of the catalyst pH 6.3@12 h synthesized at explain the observed low f”
Li 等 - 2019 - How to control selectivity in alkane oxidation DOI: 10.1039/c8sc04641g
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