What absorbs at 2928 cm⁻¹ in an FTIR spectrum?
A band near 2928 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 | 18 | 17 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 0.9 |
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
-
置信度 1.0
“explicit assignment in text”
Irshad 等 - 2023 - Experimental evaluation of cobalt adsorption capac DOI: 10.1038/s41598-023-33902-9 -
Alkyl C-H 置信度 0.95
“Explicitly stated in text: 'normalised to the CH2 asymmetric stretching peak at 2928 cm-1'.”
Campen 等 - 2022 - Thermal degradation of n-hexadecane base oil and i DOI: 10.1007/s11249-019-1182-7. -
Alkyl C-H 置信度 0.9
“Text: 'C-H asymmetric stretching vibration occurs at 2928'”
Bhajantri 等 - 2006 - Microstructural studies on BaCl2 doped poly(vinyl DOI: 10.1016/j.polymer.2006.03.054 -
Alkyl C-H 置信度 0.9
“Text: 'C-H were detected for band peaks at 2925.26 and 2927.61'.”
Osama 等 - 2021 - Greenhouse gases emissions from duckweed pond syst DOI: 10.1016/j.ecoenv.2020.111253 -
Alkyl C-H 置信度 0.9
“CH stretching band”
Yu 等 - 2007 - Rapid characterization of molecular chemistry, nut DOI: 10.1107/S0909049507014264 -
Alkyl C-H 置信度 0.9
“Text: 'The second peak is present at 2928 due to -CH2 surface.'”
Bukhari 等 - 2023 - Poly Lactic-Co-Glycolic Acid Nano-Carriers for Enc DOI: 10.1177/15593258231152117 -
Alkyl C-H 置信度 0.9
“Text states 'alkyl cm-1 peaks appeared at 2928 and 2857'.”
Celebi 和 Erten - 2010 - Sorption of phenol and radioactive cesium onto sur DOI: 10.1007/s10967-010-0531-7 -
Hydroxyl (O-H) 置信度 0.9
“Text: '-OH stretching at 2927.85-2932.94 and 3259.42-3437.33 cm-1.'”
Falade 和 Ayetigbo - 2022 - Influence of physical and chemical modifications o DOI: 10.1007/s13197-021-05200-7
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