What absorbs at 2927 cm⁻¹ in an FTIR spectrum?
A band near 2927 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 | 26 | 23 | 1.0 |
| Methyl | 2 | 2 | 0.8 |
| N h | 1 | 1 | 0.8 |
| Carbohydrate | 1 | 1 | 0.8 |
| Aromatic ring | 1 | 1 | 0.8 |
| Hydroxyl (O-H) | 1 | 1 | 0.8 |
| Amide | 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
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Alkyl C-H 置信度 1.0
“The luminescent properties cm-1 peak at 2927 corresponds to the C-H stretching vibraof ZrO are greatly affected by these intrinsic defects as they 2 cm-1 tions [39] and the observed peak at 2348 is related to introduces the donor or accepte”
Arjun 等 - 2020 - Study of Copper Doped Zirconium Dioxide Nanopartic DOI: 10.1007/s10904-020-01616-4 -
Alkyl C-H 置信度 1.0
“stretching vibration of C-H”
Zhao 等 - 2015 - Evaluation of Oil Yield of Oil Shale by Infrared S DOI: 10.1007/s40242-015-4364-3 -
Alkyl C-H 置信度 1.0
“Explicit assignment in text.”
Chen 等 - 2020 - Synthesis and Antioxidant Activity of Cationic 1,2 DOI: 10.3390/polym12010112 -
置信度 0.9
“Text: 'two bands at 2851 and 2927 that confirmed presence of'”
Chandekar 和 Kant - 2018 - Size-strain analysis and elastic properties of CoF DOI: 10.1016/j.molstruc.2017.09.104 -
Alkyl C-H 置信度 0.9
“Explicit: 'vibrational band of C-H at 2927 cm-1'.”
Jothi 等 - 2021 - Investigations of biodegradable polymer blend elec DOI: 10.1007/s10854-021-05266-1 -
Alkyl C-H 置信度 0.9
“Text: 'cm-1 refers to the presence of C-H stretching at 2927'”
Phor 等 - 2020 - Zn(2+)substituted superparamagnetic MgFe(2)O(4)spi DOI: 10.1007/s40145-020-0396-3 -
Alkyl C-H 置信度 0.9
“C-H at 2927 cm-1”
Selvanathan 等 - 2017 - Ternary natural deep eutectic solvent (NADES) infu DOI: 10.1016/j.carbpol.2017.03.023 -
置信度 0.9
“Text: 'C-O-C stretching in cellulose were visibly appear at 2927 and 1114'”
Solihat 等 - 2020 - Microwave assisted dilute organic acid pre-treatme DOI: 10.1088/1757-899X/935/1/012046
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