What absorbs at 790 cm⁻¹ in an FTIR spectrum?
A band near 790 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 |
|---|---|---|---|
| Aromatic ring | 1 | 1 | 0.9 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0.9 |
| Amine primary | 1 | 1 | 0.9 |
| Siloxane (Si-O-Si) | 1 | 1 | 0.9 |
| Silicon (Si) | 1 | 1 | 0.8 |
| Silicon carbon | 1 | 1 | 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
-
置信度 1.0
“explicit assignment”
Khudaida 等 - 2022 - Microparticle Production of Active Pharmaceutical DOI: 10.3390/cryst12070922 -
置信度 0.9
“Explicit assignment in text: 'C-Cl bond stretching, and cm-1, carbonyl group vibrations at 790 and 1737'”
El-Naggar 等 - 2023 - Impact of ZnSMn on the Structure, Optical, and El DOI: 10.3390/polym15092091 -
Siloxane (Si-O-Si) 置信度 0.9
“signal of Si-O-Si could be seen at 790”
Fattahi 和 Dekamin - 2023 - Fe3O4SiO2 decorated trimesic acid-melamine nanoco DOI: 10.1038/s41598-023-27408-7 -
Amine primary 置信度 0.9
“Text: 'three small primary amine peaks assigned at 790'”
Gammoudi 等 - 2017 - Chemically grafted of single-walled carbon nanotub DOI: 10.1016/j.jallcom.2016.10.123 -
置信度 0.9
“Explicit assignment in text: 'was located at 790 which can be ascribed to the vinyl-T siloxane resin group'”
Munirathinam 等 - 2021 - Exploring water and ion transport process at silic DOI: 10.1016/j.jmst.2019.07.044 -
Silicon-oxygen (Si-O) 置信度 0.9
“Assigned to Si-O stretching.”
Nawaz 等 - 2020 - Synthesis of diglycolic acid functionalized core-s DOI: 10.1038/s41598-020-67168-2 -
置信度 0.9
“Explicit assignment: 'band at 790 corresponds to absorption of the S-C group'”
Svorcik 等 - 2011 - Soft and rigid dithiols and Au nanoparticles gra DOI: 10.1186/1556-276X-6-607 -
Aromatic ring 置信度 0.9
“explicit assignment”
Tao 等 - 2020 - Salumycin, a New Pyrazolequinone from aStreptomyce DOI: 10.3390/molecules25184098
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