What absorbs at 796 cm⁻¹ in an FTIR spectrum?
A band near 796 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 5 cited sources
Možná přiřazení funkčních skupin
| Funkční skupina | Podpůrná fakta | Citované zdroje | Nejvyšší spolehlivost |
|---|---|---|---|
| Aromatic ring | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Metal oxygen | 1 | 1 | 1,0 |
| Silicon carbon | 1 | 1 | 1,0 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
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Silicon carbon spolehlivost 1,0
“Raman spectra showed two characteristic peaks at 796 and 968 which are corresponding to transversal h-SiC, optic mode and longitudinal optic mode of respectively.”
Baek 等 - 2006 - Structural characterization of beta-SiC nanowires DOI: 10.1016/j.msec.2005.09.083 -
Metal oxygen spolehlivost 1,0
“The FTIR spectra provide the evidence of W-O 4]2cm-1 of stretching vibration in [WO tetrahedrons at 796 and W-O bending bands at cm-1.”
Lai 等 - 2013 - Controlled Synthesis of CaWO4 Microcrystalline via DOI: 10.1080/10584587.2013.780145 -
Hydroxyl (O-H) spolehlivost 1,0
“Twin peaks appeared at 796 and 899 and accounted for the metal hydroxide stretching TGA profile cm(cid:1)1 explained the bendvibration.”
Synthesis and characterizations of nanosized iron(II) hydroxide and iron(II) hydroxide/poly(vinyl alcohol) nanocomposite DOI: 10.1002/app.32296 -
Alkyl C-H spolehlivost 1,0
“LLM confirmed rule peak-group candidate”
Sultana 等 - 2023 - Investigation of the Effect of Atmospheric Plasma DOI: 10.3390/membranes13020231 -
Aromatic ring spolehlivost 1,0
“However, in the region of of cm-1 1050-980 cm-1 -C-H especially at (Figure 1, insets and Figure 6, deformation non-aromatic vibrations of 796 and (Al-O-H Mg-Oinset).”
Krivoshein 等 - 2022 - FTIR Photoacoustic and ATR Spectroscopies of Soils DOI: 10.1021/acsomega.1c05702
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