What absorbs at 1237 cm⁻¹ in an FTIR spectrum?
A band near 1237 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 |
|---|---|---|---|
| C c single bond | 2 | 2 | 1.0 |
| Nucleic acid | 2 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Hydrogen bond | 1 | 0 | 1.0 |
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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Nucleic acid 置信度 1.0
“The PO2asymmetric stretch at 1237 which represents DNA [44], showed the highest expression in PDRm, lower in ERMi, and it was absent in PVRm (Figure 4A), suggesting possible higher cell content in PDRm.”
Andjelic 等 - 2023 - Characterization of Different Types of Epiretinal DOI: 10.3390/ijms24054834 -
Hydroxyl (O-H) 置信度 1.0
“The absorption at 1237 was the cm-1, bending of O-H [26].”
Variety Identification of Orchids Using Fourier Transform Infrared Spectroscopy Combined with Stacked Sparse Auto-Encoder DOI: 10.3390/molecules24132506 -
Carbohydrate 置信度 1.0
“cm-1 cm-1) CD-WS, the intensity of the hemicellulose bands (1726 cm-1 and 1237 cm-1) decreased in treatments CD-WS, the intensity of the hemicellulose bands (1726 and 1237 decreased in treatments with P.”
Fornito 等 - 2020 - Degradative Ability of Mushrooms Cultivated on Cor DOI: 10.3390/molecules25133020 -
Amide 置信度 1.0
“LLM confirmed rule peak-group candidate”
Investigate the role of fungal communities associated with a historical manuscript from the 17th century in biodegradation DOI: 10.1038/s41529-022-00296-4 -
C c single bond 置信度 1.0
“218, (δ CH3) at 1328 The skeletal C-C vibration appears at 1237 Similarly to TiO the bands at 1159 and as cm-1 δ 1125 show two distinct vibrations, respectively representative of a dissociative and non dissociative IPA C-O adsorption on CeO”
Sorbent track: Quantitative monitoring of adsorbed VOCs under in-situ plasma exposure DOI: 10.1038/srep31888 -
C c single bond 置信度 1.0
“Attribution to the PVAc binder for these two cm-1 artworks is made according to Table S2, taking into account the strong intensity of the band at about 1237 associated to the (C-C(=O)-O) mode.”
On-site contactless surface analysis of Modern paintings from Galleria Nazionale (Rome) by Reflectance FTIR and Raman spectroscopies DOI: 10.1016/j.talanta.2021.122159
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