What absorbs at 894 cm⁻¹ in an FTIR spectrum?
Una banda cerca de 894 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) | 3 | 3 | 1,0 |
| Alkyl C-H | 3 | 3 | 1,0 |
| Ring structure | 3 | 3 | 1,0 |
| C-O single bond | 3 | 3 | 1,0 |
| Phosphate (PO4) | 2 | 2 | 1,0 |
| Methoxy (OCH3) | 2 | 2 | 1,0 |
| Methacrylate | 2 | 2 | 1,0 |
| Acetate | 2 | 2 | 1,0 |
| Carbohydrate | 1 | 0 | 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
-
Ring structure confianza 1,0
“The peak 894 indicated glycosidic -C-Hdeformation, with a ring vibration contribution and -O-H bending.”
Ayu 等 - 2020 - The Production of Nanocrystalline Cel close From O DOI: 10.1063/5.0015667 -
Alkyl C-H confianza 1,0
“Moreover, cm-1 one peak at 894 is attributed to glycoside CH deformation by ring vibration and O-H bending, which is related to b-glycoside bonds between anhydro-glucose units in cellulose (Nelson and O'Connor 1964;”
Birgani 等 - 2021 - Production of Nanocrystalline Cellulose from Bleac DOI: 10.1080/19443994.2015.1041161 -
Alkyl C-H confianza 1,0
“The peak at 897 resulting from vibrations within C-H can be attributed to both cellulose II and chitosan (Figure 7, peak 894”
Grgac 等 - 2020 - The Chitosan Implementation into Cotton and Polyes DOI: 10.3390/ma13071616 -
Acetate confianza 1,0
“1014 Strong C-O stretching 894 Medium O-H deformation”
Jaisankar 等 - 2020 - Seed microstructures of the Andaman padauk (Pteroc DOI: 10.1007/BF02957854. -
Phosphate (PO4) confianza 1,0
“1010, 960 1 P-O(H) stretching 894 895 894 895”
Khanna 等 - 2010 - In Situ Swelling Behavior of Chitosan-Polygalactur DOI: 10.1155/2010/175264 -
Acetate confianza 1,0
“The noticeably increased absorbance in the narrow region cm-1, at 894 assignable to C-O-C and C-O-P symmetric stretching in cell wall oligosaccentred at 894 cm-1, assignable to C-O-C and C-O-P symmetric stretching in cell wall pneumoniaeCol”
Evaluation of Chemical Changes in Laboratory-Induced Colistin-Resistant Klebsiella pneumoniae DOI: 10.3390/ijms22137104 -
Ring structure confianza 1,0
“735-657cm-1isassignedtoamideorCH 2rockingband[18],839cm-1 cm-1 water,2890 is related tothe asymmetrically stretching vibration cm-1 C\\H C\\C of in a pyranoid ring, and the band at 3332 is attributed to the vibrations occurred due to ring b”
Polyethersulfone membrane embedded with amine functionalized microcrystalline cellulose DOI: 10.1016/j.ijbiomac.2020.09.017 -
Alkyl C-H confianza 1,0
“The signal at 1018 assigned to a-CH and asystem in reticulated porous networks treated at high temper3 cm@1 CH bending was maintained, whereas the peak at 894 ature under inert gas.”
Tosi 等 - 2018 - Auto-Crosslinked Rigid Foams Derived from Biorefin DOI: 10.1002/cssc.201800778
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