What absorbs at 1168 cm⁻¹ in an FTIR spectrum?
A band near 1168 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 |
|---|---|---|---|
| C-O single bond | 1 | 1 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
| Carbohydrate | 1 | 1 | 0.9 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0.9 |
| C n single bond | 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
-
C n single bond 信心 0.9
“Text says 'peak near 1168 indicates the C-N stretching'.”
Singh 和 Taunk - 2021 - In-Situ Chemical Synthesis, Microstructural, Morph DOI: 10.1007/s10904-020-01747-8 -
Silicon-oxygen (Si-O) 信心 0.9
“Text: 'bands at 1168 (faint shoulder), 1127 and 1038 are attributed to the non-hydrolyzed ethyl silicate groups (Si-O-C)'”
Karatasios 等 - 2017 - Modification of water transport properties of poro DOI: 10.1515/pac-2016-1104 -
Carbohydrate 信心 0.9
“Text: 'carbohydrate absorbance bands (at 1516, 1168, 833 and 985)'.”
Muthreich 等 - 2020 - Chemical variations in Quercus pollen as a tool fo DOI: 10.1101/761148 -
Carbonyl (C=O) 信心 0.9
“Explicitly assigned to carbonyl stretching and C-O stretching.”
Unalan 等 - 2019 - Evaluation of Electrospun Poly(epsilon-Caprolacton DOI: 10.3390/pharmaceutics11110570 -
信心 0.7
“Text mentions C-O group from carbohydrates and shift of peak at 1168.”
Depciuch 等 - 2021 - Spectroscopic evaluation of carcinogenesis in endo DOI: 10.1038/s41598-021-88640-7 -
信心 0.7
“Signals among phyllosilicates and alkali feldspar.”
Tanthanuch 等 - 2023 - Artefacts from Ban Chiang, Thailand Pre-metal Age DOI: 10.1515/zkri-2023-0015
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