What absorbs at 2960 cm⁻¹ in an FTIR spectrum?
A band near 2960 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 |
|---|---|---|---|
| Alkyl C-H | 12 | 8 | 0.9 |
| Methyl | 6 | 4 | 1.0 |
| Methoxy (OCH3) | 1 | 1 | 0.9 |
| Hydroxyl (O-H) | 1 | 1 | 0.9 |
| Lipid | 1 | 1 | 0.8 |
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
-
Methyl 信心 1.0
“explicit assignment”
Presswood 等 - 2016 - Geochemical and petrographic alteration of rapidly DOI: 10.1016/j.coal.2016.08.022 -
Methyl 信心 1.0
“CH3 at 2960”
El-Shekeil 等 - 2012 - Effect of pMDI isocyanate additive on mechanical a DOI: 10.1177/0021998310385030) -
信心 0.9
“Explicit assignment in text”
Guleken 等 - 2020 - Biochemical assay and spectroscopic analysis of ox DOI: 10.1016/j.saa.2020.118625 -
信心 0.9
“Explicit assignment: asymmetric stretching of CH groups of both protein and lipid components.”
Perna 等 - 2023 - Classification of Healthy and Cancer Colon Cells G DOI: 10.3390/photonics10040481 -
Alkyl C-H 信心 0.9
“Explicit assignment in text”
Su 等 - 2019 - Application of biochar in a CIC reactor to relieve DOI: 10.1016/j.jclepro.2018.10.269 -
信心 0.9
“Explicit assignment in text.”
Yu - 2011 - Microprobing the molecular spatial distribution an DOI: 10.1107/S0909049511023727 -
信心 0.9
“Peaks at 2960, 2917, 2850 cm-1 belong to methylene groups -CH symmetric and asymmetric.”
Datta 和 Parcheta - 2017 - A comparative study on selective properties of Kra DOI: 10.1007/s13726-017-0534-0 -
信心 0.9
“Text: '2870, 2960 (Methyl C-H asym./sym. stretch)'”
Drais 和 Hussein - 2022 - Lipid-Polymer Hybrid Nanocarriers for Oral Deliver DOI: 10.34172/apb.2022.081
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