What absorbs at 1345 cm⁻¹ in an FTIR spectrum?
Una banda cerca de 1345 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 |
|---|---|---|---|
| Alkyl C-H | 4 | 4 | 1,0 |
| Chitosan | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Metal oxygen | 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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Alkyl C-H confianza 1,0
“B.Bozzinietal./JournalofPowerSources195 (2010) 4119-4123 4123 C Oasymmetricstretchinginacetate), wereobservedat1330(O 1340/1345cm-1 (OH and CH wagging combination of ethanol”
In situ spectroelectrochemical measurements during the electro-oxidation of ethanol on WC-supported Pt-black, based on sum-frequency generation spectroscopy DOI: 10.1016/j.jpowsour.2010.01.017 -
Metal oxygen confianza 1,0
“From the TiO2 spectrum, several peaks at 467 cm-1, 1345 cm-1, 1629 cm-1, and 3396 cm-1 can be observed.”
Influence of Sputtering Temperature of TiO2 Deposited onto Reduced Graphene Oxide Nanosheet as Efficient Photoanodes in Dye-Sensitized Solar Cells DOI: 10.3390/molecules25204852 -
Alkyl C-H confianza 1,0
“Peaks at 1459 and 1345 cm-1 are due to the stretching vibration of C-H in CH2 and”
Walnut Oil Oleogels as Milk Fat Replacing System for Commercially Available Chocolate Butter DOI: 10.3390/gels8100613 -
confianza 1,0
“This is also consistent with the AldO cm-1 cm2 4.8 about 100 in the experiments of their Figure Taking identification of a peak at 1345 as being due to in cm3 into account the different reaction volumes (408 in ref 8 experiments in which al”
Roscoe 和 Abbatt - 2005 - Diffuse reflectance FTIR study of the interaction DOI: 10.1021/jp050766r -
Alkyl C-H confianza 1,0
“The broad peaks between 1440 cm-1 and 1390 result from C-H deformation vibration of lipids and cellulose, those between 1375 and cm-1 1345 from the CH bending vibrations in aliphatic groups, while a shoulder or a convolution”
Morphological, Physicochemical and FTIR Spectroscopic Properties of Bee Pollen Loads from Different Botanical Origin DOI: 10.3390/molecules24213974 -
Hydroxyl (O-H) confianza 1,0
“The diffraction patterns of FEN in solid dispersions (C-H stretch aliphatic), 1345 (in-plane O-H bend) and cm-1 were similar to those of the pure drug, suggesting a simple 1111 (C-O stretch), which were consistent in all”
Dissolution study and thermal analysis of fenofibrate–Pluronic F127 solid dispersions DOI: 10.1007/s10973-015-5013-2 -
Chitosan confianza 1,0
“The presence of a band at 1344.95 N(cid:3)(cid:3)H indicates the characteristic bending vibrations of the groups present in chitosan.”
Immobilization of catalase onto chitosan and chitosan–bentonite complex: A comparative study DOI: 10.1016/j.btre.2018.e00258 -
Alkyl C-H confianza 1,0
“In Figure 4 the peaks obtained in FTIR at 982 cm-1 and 1345 cm-1 are assigned to C-H bending 3.4.”
Temperature-Dependent Magnetic Response of Antiferromagnetic Doping in Cobalt Ferrite Nanostructures DOI: 10.3390/nano6040073
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