What absorbs at 3301 cm⁻¹ in an FTIR spectrum?
A band near 3301 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 6 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 3 | 1.0 |
| Amide | 2 | 2 | 0.9 |
| Alkyl C-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
-
Hydroxyl (O-H) 置信度 1.0
“Attributed to O-H stretching.”
Refat 等 - 2021 - QuercetinZinc complex and stem cells A new drug DOI: 10.1371/journal.pone.0246265 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment in text: 'HAB indicated the presence of -OH groups and the peak'”
Akram 等 - 2021 - Kinetic and Isothermal Investigations of Cost-Effe DOI: 10.1155/2021/5549536 -
Amide 置信度 0.9
“Explicitly stated as amide band”
Dolete 等 - 2019 - Development and sequential analysis of a collagen- DOI: 10.25083/rbl/24.1/108.117 -
Alkyl C-H 置信度 0.9
“Text: 'band at 3301 was attributed to δ(C-H)'.”
Huang - 2021 - Characteristics and Preparation of Designed Algina DOI: 10.3390/polym13203464 -
Amide 置信度 0.9
“Text: 'sharpest and most prominent peaks which belonged to the amide groups are 3301'”
Qu 等 - 2016 - Microstructure and Characteristic of BiVO4 Prepare DOI: 10.3390/ma9030129 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment: O-H peak at wavenumber of 3301-3369 cm-1”
Wei 等 - 2013 - Formation of Protein Complex with the Aid of Polye DOI: 10.1063/1.4858764
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