What absorbs at 2926 cm⁻¹ in an FTIR spectrum?
A band near 2926 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 | 28 | 22 | 1.0 |
| Methyl | 4 | 4 | 1.0 |
| Methoxy (OCH3) | 1 | 1 | 0.9 |
| Lipid | 1 | 1 | 0.8 |
| Carbohydrate | 1 | 1 | 0.7 |
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
“explicit assignment”
Abd El-Halim 等 - 2021 - The Potential Synergistic Activity of Zolmitriptan DOI: 10.2147/IJN.S325697 -
Alkyl C-H 信心 1.0
“Explicit assignment: 'ν A 3) (CH 2) at 2926cm-1'.”
Mangos 等 - 2014 - A simple method for the quantification of molecula DOI: 10.1088/1468-6996/15/1/015002 -
Alkyl C-H 信心 1.0
“Explicit assignment: C-H stretching vibration of methoxyl group”
Nwosu 和 Amusat - 2021 - DOI: 10.4152/pea.2021390605 -
Methyl 信心 1.0
“Stretching bands of -CH3 and -CH2 groups on graphite surfaces.”
Qiu 等 - 2016 - An Investigation of Reverse Flotation Separation o DOI: 10.3390/min6030057 -
信心 1.0
“explicit assignment”
Roy 等 - 2014 - Composite alginate hydrogel microparticulate deliv DOI: 10.4103/2229-516X.140728 -
Alkyl C-H 信心 1.0
“asymmetric stretching vibrations”
Serbezeanu 等 - 2023 - Design and Synthesis of Amphiphilic Graft Polyphos DOI: 10.3390/pharmaceutics15051564 -
Alkyl C-H 信心 0.95
“Explicit assignment: 'and 2926 were assigned respectively to ... CH- as' (likely CH stretching)”
Hentati 等 - 2022 - Structural Characterization and Rheological and An DOI: 10.3390/md20090546 -
Alkyl C-H 信心 0.95
“explicit assignment”
Panghal 等 - 2014 - Dissolution Improvement of Atorvastatin Calcium us DOI: 10.3797/scipharm.1301-23
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