What absorbs at 1632 cm⁻¹ in an FTIR spectrum?
A band near 1632 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 |
|---|---|---|---|
| Amide | 8 | 8 | 0.9 |
| Carbonyl (C=O) | 5 | 5 | 0.95 |
| Water (H2O) | 3 | 3 | 0.9 |
| Hydroxyl (O-H) | 2 | 2 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.9 |
| Aromatic ring | 1 | 1 | 0.9 |
| Ketone | 1 | 1 | 0.9 |
| C=n | 1 | 1 | 0.9 |
| Protein beta sheet | 1 | 1 | 0.9 |
| Alkene (C=C) | 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
-
Carbonyl (C=O) 置信度 0.95
“Explicit assignment: '1632 is the C=O bond stretching vibration'”
Ma 和 Liu - 2014 - Effect High Temperature Annealing on Graphitizatio DOI: 10.14233/ajchem.2014.16186A -
Carbonyl (C=O) 置信度 0.9
“Text: 'stretching vibration of carbonyl' at 1632”
Moradkhani 等 - 2020 - Phosphorization of exfoliated graphite for develop DOI: 10.1016/j.jmrt.2020.04.085 -
Hydroxyl (O-H) 置信度 0.9
“Text: 'The peak at 1632 and 3363 corresponds to the stretching vibration of O-H'”
Sagayaraj 等 - 2021 - Microstructure and magnetic properties of Cu0.5Co0 DOI: 10.1007/s00339-021-04653-z -
Amide 置信度 0.9
“Explicitly assigned to amide I band.”
Benitez-Amaro 等 - 2018 - Identification of new biophysical markers for path DOI: 10.1111/jcmm.13699 -
Protein beta sheet 置信度 0.9
“Explicit assignment: β-sheet at 1632 cm-1.”
Dogan 等 - 2023 - Strain and Depot-specific Differences in Adipose T DOI: 10.21873/invivo.13253 -
Carbonyl (C=O) 置信度 0.9
“Peak at 1632 attributed to stretching vibration of -C=O”
El Moujahed 等 - 2022 - Extraction of insoluble fibrous collagen for chara DOI: 10.1039/d1ra08059h -
C=n 置信度 0.9
“Explicit assignment in text.”
Gupta 等 - 2015 - Silica functionalized Cu(II) catalysed selective o DOI: 10.1007/s12039-015-0902-2 -
Amide 置信度 0.9
“Text: 'Amide I ... at 1632'.”
Huang - 2021 - Characteristics and Preparation of Designed Algina DOI: 10.3390/polym13203464
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