What absorbs at 2914 cm⁻¹ in an FTIR spectrum?
A band near 2914 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
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Alkyl C-H | 14 | 9 | 1.0 |
| Methyl | 1 | 1 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.7 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
-
Alkyl C-H 置信度 1.0
“Attributed to -CH2 asymmetric stretching.”
Li 等 - 2017 - Understanding Hydrothermal Dechlorination of PVC b DOI: 10.3390/app7030256 -
Alkyl C-H 置信度 1.0
“Explicit assignment in text.”
Al-Shdefat 等 - 2023 - Ribociclib Hybrid Lipid-Polymer Nanoparticle Prepa DOI: 10.3390/polym15132844 -
Alkyl C-H 置信度 0.9
“C-H stretching vibration”
Prema 等 - 2017 - CMC stabilized nano silver synthesis, characteriza DOI: 10.1016/j.carbpol.2016.11.083 -
Alkyl C-H 置信度 0.9
“explicit assignment in text”
Al-Deyab 等 - 2010 - Synthesis and Characterization of Organotin Contai DOI: 10.3390/molecules15031784 -
Alkyl C-H 置信度 0.9
“C-H stretching at 2914 cm-1.”
Alamer 等 - 2023 - Isolation and Characterization of Brucella spp., L DOI: 10.3390/app13074629 -
Alkyl C-H 置信度 0.9
“Explicit assignment: 'bands at 2914 and 2904 are attributed to the C-H stretch of the methylene groups'”
Kalmodia 等 - 2015 - Attenuated Total Reflectance Fourier Transform Inf DOI: 10.1038/srep16649 -
Alkyl C-H 置信度 0.9
“Explicit assignment: 'bands at 2914 and 2796 were bands related to C-H stretching vibration of alkyl groups'”
Palermo Fernandes 等 - 2022 - Bio-Based Composites for Light Automotive Parts S DOI: 10.3390/polym14173566 -
置信度 0.9
“Text states '2914.5cm-1 broadband methane absorption'.”
Robles-Gonzalez 等 - 2016 - Intercomparison of stratospheric nitrogen dioxide DOI: 10.5194/amt-9-4471-2016
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