What absorbs at 2954 cm⁻¹ in an FTIR spectrum?
A band near 2954 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 | 5 | 5 | 0.9 |
| Methyl | 4 | 4 | 0.9 |
| Carbonyl (C=O) | 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
-
信心 0.9
“Explicit assignment: 'vibration wave peaks that corresponded to CH3-CH2-'”
Hao 等 - 2018 - The Influence of a Thermal Treatment on the Decay DOI: 10.1155/2018/8461407 -
信心 0.9
“Attributed to cis- absorption band.”
Ng 等 - 2014 - Compositional and thermal characteristics of palm DOI: 10.1016/j.foodres.2013.10.035 -
Alkyl C-H 信心 0.9
“Explicit assignment: 'bands with maxima at 2954 and 2919 correspond to CH stretching vibrations'.”
Broncova 等 - 2021 - Optimization of Electrochemical Visualization of L DOI: 10.3390/polym13193220 -
Methyl 信心 0.9
“Assigned to CH3 in text.”
Dahmash 等 - 2018 - Quality by Design (QbD) based process optimisation DOI: 10.1371/journal. -
Alkyl C-H 信心 0.9
“assigned to C-H stretching”
Forfang 等 - 2017 - FTIR Spectroscopy for Evaluation and Monitoring of DOI: 10.1371/journal.pone.0170611 -
信心 0.9
“Text: 'Chlorophenyl CH Stretch 2954'”
Housheh 等 - 2015 - GCMS, FTIR and NMR Studies for the Identification DOI: 10.5530/ijper.49.4.1 -
Methyl 信心 0.9
“Explicit assignment in text”
JEONG 等 - 2013 - Preparation of Shape Stabilized PCM Using Porous M DOI: 10.6110/KJACR.2013.25.8.432 -
Methyl 信心 0.8
“Text mentions 'height ratios of 2954 (CH3/CH2)'.”
Wang 等 - 2011 - The study of a single BGC823 cell using Fourier tr DOI: 10.1016/j.saa.2011.05.031
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