What absorbs at 803 cm⁻¹ in an FTIR spectrum?
A band near 803 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 7 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 |
|---|---|---|---|
| Siloxane (Si-O-Si) | 22 | 4 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 0 | 0.9 |
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
-
Siloxane (Si-O-Si) 置信度 1.0
“Assigned to siloxane stretching vibrations.”
Local Silicone Study DOI: 10.1000/local-silicone -
Siloxane (Si-O-Si) 置信度 1.0
“Described as siloxane stretching bands.”
Infrared Assignment Note DOI: 10.1000/ftir-assignment -
Siloxane (Si-O-Si) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Paper A DOI: 10.1000/paper-a -
置信度 0.9
“Banda propia de los siloxanos.”
Balvín Beltrán 等 - 2020 - Funcionalización del gel de polisiloxano con nanop DOI: 10.1038/srep35446 -
Siloxane (Si-O-Si) 置信度 0.9
“Explicit assignment”
Swe 等 - 2019 - Fabrication of Sol-Gel derived New Quaternary Sili DOI: 10.1063/1.5089369 -
置信度 0.8
“New absorption peak at 803 cm-1 after nitrogen annealing.”
Liu 等 - 2006 - Study the effects of nitrogen annealing on oxygen DOI: 10.1016/j.mssp.2006.01.073 -
置信度 0.8
“Text: 'Two strong peaks located at 803 ... can be ascribed to vibrations like those of wurtzite BN'”
Wang 等 - 2010 - Synthesis of Boron Nitride Nanotubes by Self-Propa DOI: 10.1155/2010/540456
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