What absorbs at 1197 cm⁻¹ in an FTIR spectrum?
A band near 1197 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 6 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 |
|---|---|---|---|
| Methoxy (OCH3) | 2 | 2 | 1.0 |
| Methacrylate | 2 | 2 | 1.0 |
| C-O single bond | 2 | 2 | 1.0 |
| Acetate | 2 | 2 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 0.9 |
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
-
Alkyl C-H 信心 1.0
“sativa at 1196.7202 ascribed to O-CH stretching which was absent in oil but present in band at 1196.7202 cm-1 ascribed to O-CH2 stretching which was absent in E.”
Synthesis of Lipase-Immobilized CeO2 Nanorods as Heterogeneous Nano-Biocatalyst for Optimized Biodiesel Production from Eruca sativa Seed Oil DOI: 10.3390/catal10020231 -
Acetate 信心 1.0
“The bands at 1432 and 1358 were caused by the bending of CH 2 cm-1 and C-H, while the band at 1197 was caused by the stretching of C-O groups from”
Adsorption of Oil by 3-(Triethoxysilyl) Propyl Isocyanate-Modified Cellulose Nanocrystals DOI: 10.3390/pr10102154 -
Acetate 信心 1.0
“1245 1245 -C-O stretching 1197 1197 1169”
Spectroscopic studies of the quality of WCO (Waste Cooking Oil) fatty acid methyl esters DOI: 10.1051/bioconf/20181002019 -
信心 1.0
“The 4-2 42triple asymmetric S-O stretching in barite which also indicates the stretching of SO peak at 1197 cm-1 shows the asymmetric and bond vibration [27].”
Characterization and Suitability of Nigerian Barites for Different Industrial Applications DOI: 10.3390/min11040360 -
信心 0.9
“Text: 'C-O stretching bands at 1171, 1197 and 1245'.”
Kanakdande 等 - 2019 - Pineapple Waste and Wastewater Route for Biodiese DOI: 10.1590/1678-4324-2019180499 -
Phosphate (PO4) 信心 0.9
“from DOPO-HQ”
Wen 等 - 2018 - A novel oligomer containing DOPO and ferrocene gro DOI: 10.1016/j.polymdegradstab.2018.08.010
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