What absorbs at 471 cm⁻¹ in an FTIR spectrum?
A band near 471 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 |
|---|---|---|---|
| Silicon-oxygen (Si-O) | 3 | 3 | 0.9 |
| Metal oxygen | 1 | 1 | 0.9 |
| Phosphate (PO4) | 1 | 1 | 0.8 |
| S s | 1 | 1 | 0.8 |
| Sulfur | 1 | 1 | 0.8 |
| Thiocyanate | 1 | 1 | 0.8 |
| Siloxane (Si-O-Si) | 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
-
Metal oxygen 置信度 0.9
“Indicated formation of CeO2”
Saravanakumar 等 - 2021 - Antioxidant and antidiabetic properties of biocomp DOI: 10.1016/j.ceramint.2020.11.230 -
Silicon-oxygen (Si-O) 置信度 0.9
“Explicit assignment: 'Si-O symmetric bonds at peaks of 1090, 471, and 780'.”
Uda 等 - 2021 - Production and characterization of silica nanopart DOI: 10.1080/10826068.2020.1793174 -
Silicon-oxygen (Si-O) 置信度 0.9
“Bending mode of SiO2”
Tien Duc Pham 等 - 2018 - Adsorption of Polyelectrolyte onto Nanosilica Synt DOI: 10.3390/polym10020220 -
Siloxane (Si-O-Si) 置信度 0.8
“Part of same assignment as 800 cm-1.”
Froehlich 等 - 2013 - Libyan Desert Glass New field and Fourier transfo DOI: 10.1111/maps.12223 -
Thiocyanate 置信度 0.8
“Text: characteristic peak at 471 in bare SCN”
Hu 等 - 2018 - Immobilization of g-C3N4 nanosheets on diatomite v DOI: 10.1039/c8ra05408h -
Sulfur 置信度 0.8
“Text says 'vibrations S- bands of ... 471 ... and strong connection S-S'.”
Mangeli 等 - 2021 - Decontamination of fenitrothion from aqueous solut DOI: 10.1007/s40201-021-00706-w -
Phosphate (PO4) 置信度 0.8
“Snippet: 'm of P-O-P bending 470 471 474'”
Mansour 等 - 2016 - Effect of preparation conditions on the nanostruct DOI: 10.1007/s13204-015-0509-4 -
Silicon-oxygen (Si-O) 置信度 0.8
“Peak at 471 cm-1 associated with quartz.”
Shafiquzzaman 等 - 2022 - Sawdust Recycling in the Development of Permeable DOI: 10.3390/su141811115
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