What absorbs at 3385 cm⁻¹ in an FTIR spectrum?
A band near 3385 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 9 | 8 | 0.9 |
| N h | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.5 |
| Water (H2O) | 1 | 0 | 0.8 |
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 0.9
“Explicit assignment: 'broad peak around 3385 corresponds to hydroxyl group'.”
Sahoo 等 - 2014 - Use of the ionic liquid-tricaprylmethyl ammonium s DOI: 10.1016/j.seppur.2014.08.034 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment: 'stretching peak observed at 3385 is attributed to O-H groups'”
Fito 等 - 2023 - Adsorption of methylene blue from textile industri DOI: 10.1038/s41598-023-32341-w -
Hydroxyl (O-H) 置信度 0.9
“Stretching vibration of -OH”
Ma 等 - 2019 - Molecular Assembly between Weak Crosslinking Cyclo DOI: 10.3390/polym11040635 -
Hydroxyl (O-H) 置信度 0.9
“Snippet: 'wide absorption peak at 3385 ... O-H and N-H'”
Pan 等 - 2016 - Preparation, Identification and Antioxidant Proper DOI: 10.17113/ft -
置信度 0.9
“Explicitly stated as characteristic peak of Eudragit RS PO.”
Sakhare 等 - 2021 - Studies on Formulation and Evaluation of Eudragit DOI: 10.5530/ijper.55.1s.40 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment in text.”
Sultan 等 - 2022 - Ligustrum lucidum Leaf Extract-Assisted Green Synt DOI: 10.3390/ma15051637 -
Hydroxyl (O-H) 置信度 0.8
“Text: 'broad peak at 3385.07 ... may represent cellulose and hemicellulose ... to hydrogen bond of hydroxyl groups'”
Zuber 等 - 2021 - Influence of Different Percentages of Binders on t DOI: 10.3390/polym13111868 -
置信度 0.7
“Snippet states 'characteristic methanol band would be 3384.84 cm-1'.”
Mabasa 等 - 2021 - Molecular Spectroscopic (FTIR and UV-Vis) and Hyph DOI: 10.1155/2021/2854217
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