What absorbs at 1198 cm⁻¹ in an FTIR spectrum?
A band near 1198 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 8 cited sources
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| C-O single bond | 3 | 3 | 1.0 |
| Methoxy (OCH3) | 2 | 2 | 1.0 |
| Methacrylate | 2 | 2 | 1.0 |
| Acetate | 2 | 2 | 1.0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1.0 |
| Silicon (Si) | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
| Methyl | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
| Carbonate | 1 | 0 | 0.5 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
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Carbohydrate 信心 1.0
“In Cannonau samples the visible region at nm of both wines, the spectral region around 1047 attributed to sugar in cm(cid:0) 1 spectra correlated with FT-IR peaks at 1198 and 1016 glycosylated phenols, is inversely correlated with time (red”
Characterization of the medium infrared spectra of polyphenols of red and white wines by integrating FT IR and UV–Vis spectral data DOI: 10.1016/j.lwt.2021.111604 -
Alkyl C-H 信心 1.0
“SA shows many bands in this spectral region because of the presence of the cm-1, C-H bending modes of the methyl groups, showing the most intense band at 1198”
Vibrational Study (Raman, SERS, and IR) of Plant Gallnut Polyphenols Related to the Fabrication of Iron Gall Inks DOI: 10.3390/molecules27010279 -
C c single bond 信心 1.0
“peak at 704-719 is the C-S-C ring cm-1 deformation for thiophene rings while that at around 1198 is the C-C symmetric stretching and”
Bulk Heterojunction Solar Cell with Nitrogen-Doped Carbon Nanotubes in the Active Layer: Effect of Nanocomposite Synthesis Technique on Photovoltaic Properties DOI: 10.3390/ma8052415 -
Acetate 信心 1.0
“cm-1 of the TA compound are 3450 (O-H stretching, strong), Figure 3 shows the optimized structures of two different cm-1 cm-1 1740 (C=O stretching, strong), 1630 (aromatic C=C possibilities for the supramolecular interaction of complex cm-1”
Santos 等 - 2016 - Hybrid Self-Assembled Materials Constituted by Fer DOI: 10.5935/0103-5053.20150322 -
Amide 信心 1.0
“Materials2021,14,3501 6of12 cm-1 cm-1, cm-1 1364 (amide III and CH wag vibration), 1198 and 1257 (CH twist-wag 2”
Characterization and Combustion Behavior of Single-Use Masks Used during COVID-19 Pandemic DOI: 10.3390/ma14133501 -
Acetate 信心 1.0
“a phenol and ether C-C, C-O stretching at 1198 and 1038 These observations are in agreement with previous studies on the interactions of PACs with collagen and gelatin [16,32].”
Collagen-collagen interactions mediated by plant-derived proanthocyanidins: a spectroscopic and atomic force microscopy study DOI: 10.1016/j.actbio.2016.05.026. -
Silicon (Si) 信心 1.0
“Further supporting evidence was cm-1 obtained from FTIR and TG, for example, the vibration at 1198 corresponds to oC Si-O-Si stretching mode and the mass loss at ca.”
Zhu 等 - 2008 - In situ synthesis of surfactantsilane-modified hy DOI: 10.1016/j.jcis.2007.11.037 -
C-O single bond 信心 0.8
“Range 1218-1198 assigned to ν(C-O).”
Graur 等 - 2023 - Novel Antioxidants Based on Selected 3d Metal Coor DOI: 10.17344/acsi.2022.7885
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