What absorbs at 812 cm⁻¹ in an FTIR spectrum?
Ивица близо до 812 cm⁻¹ може да сочи към няколко функционални групи. По-долу са най-вероятните присвоявания, подредени по количеството публикувани доказателства, които ги подкрепят — всяко едно проследимо до литература (DOI) и кръстосано валидирано спрямо нашите 130 000+ референтни спектъра и графика на знанията.
Backed by 8 cited sources
Възможни определяния на функционални групи
| Функционална група | Подкрепящи факти | Цитирани източници | Най-висока достоверност |
|---|---|---|---|
| Alkyl C-H | 5 | 4 | 1,0 |
| Aromatic ring | 2 | 2 | 1,0 |
| Silicon-oxygen (Si-O) | 2 | 2 | 1,0 |
| Alkene (C=C) | 2 | 2 | 1,0 |
| Metal oxygen | 2 | 1 | 1,0 |
| Silicon (Si) | 1 | 1 | 1,0 |
| Methyl | 1 | 1 | 1,0 |
| Carbon bromine | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| N-O bond | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 0,8 |
Класирането отразява натрупаните литературни доказателства, а не единично авторитетно правило. Винаги потвърждавайте спрямо контекста на вашата проба.
Литература зад тези определяния
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N-O bond достоверност 1,0
“Again, no peak at 812 ing the absence of residual acrylic acid starting reactant in the synthesized product.”
Synthesis of UV-curable difunctional silane monomer based on 3-methacryloxy propyl trimethoxysilane (3-MPTS) and its UV-curing characteristics and thermal stability DOI: 10.1002/app.31266 -
достоверност 1,0
“cm(cid:3)1 integrated peak area of Si-O bands located at 812 increases with increasing amount of silica in the mixture of oxides.”
Jonynaite 等 - 2010 - Spectroscopic analysis of blue cobalt smalt pigmen DOI: 10.1016/j.vibspec.2009.12.005 -
достоверност 1,0
“cm-1 bands are seen between 900 and 690 N-H out of the plane bending is visible at 812 cm-1.”
Synthesis of Aloevera/Acrylonitrile based Nanoparticles for targeted drug delivery of 5-Aminosalicylic acid DOI: 10.1016/j.ijbiomac.2017.08.085 -
достоверност 1,0
“(O corresponds to oxygen from the corner of the heteropolyanion structure), W-O e-W c IR spectrum of PDPA doped with the PTA heteropolyanions is characterized by the IR (O corresponds to oxygen from the side of the heteropolyanion structure”
The Photoluminescence and Vibrational Properties of Black Phosphorous Sheets Chemically/Electrochemically Functionalized in the Presence of Diphenylamine DOI: 10.3390/polym14214479 -
C-O single bond достоверност 1,0
“Bands at 812 cm-1 and 893 cm-1 may be Separations2023,10,103 8of18 related to the presence of αand β-glycosidic bonds [49].”
Extraction, Characterization, and Antioxidant Activity of Polysaccharides from Ajwa Seed and Flesh DOI: 10.3390/separations10020103 -
Alkyl C-H достоверност 1,0
“8 , it is observed that the peak at the wave number -1 -1 522.96 cm shows the presence of the C-Br whereas the peak at 812 cm shows the presence -1 -1 of C-H (Alkene).”
Dataset on tribological, characterization and thermal properties of Silicon carbide reinforced polyamide composites for industrial applications DOI: 10.1016/j.dib.2020.105662 -
Alkene (C=C) достоверност 1,0
“cm-1, C=C to the deformation of methyl groups at 1379 Moreover, the stretching at 1610 and 812 cm-1,”
Thermocatalytic Pyrolysis of Exhausted Arthrospira platensis Biomass after Protein or Lipid Recovery DOI: 10.3390/en13205246 -
Silicon (Si) достоверност 1,0
“Furthermore, the peaks of 812.03 cm-1 assigned for symmetric Si-O (Figure 4) shifted to a shorter wavelength (806.25 cm-1), while bending modes at 470.63 cm-1 did not change after”
Adsorption of Polyelectrolyte onto Nanosilica Synthesized from Rice Husk: Characteristics, Mechanisms, and Application for Antibiotic Removal DOI: 10.3390/polym10020220
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