What absorbs at 1108 cm⁻¹ in an FTIR spectrum?
A band near 1108 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 |
|---|---|---|---|
| Phosphate (PO4) | 1 | 1 | 0.9 |
| Siloxane (Si-O-Si) | 1 | 1 | 0.9 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.8 |
| Carbonyl (C=O) | 1 | 1 | 0.2 |
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
“Text states 'cm21 at 1108 and 2087 confirmed SiNWs were passivated by both oxygen and hydrogen atoms.'”
Bhujel 等 - 2018 - Synthesis and Characterization of Silicon Nanowire DOI: 10.1007/s11665-018-3179-z -
Silicon-oxygen (Si-O) 置信度 0.9
“Explicit assignment in text.”
Jonynaite 等 - 2010 - Spectroscopic analysis of blue cobalt smalt pigmen DOI: 10.1016/j.vibspec.2009.12.005 -
Siloxane (Si-O-Si) 置信度 0.9
“Peak at 1108 cm-1 attributed to symmetrical stretch of Si-O-Si.”
Gannavarapu 等 - 2019 - SNanostructured Diatom-ZrO2 composite as a selecti DOI: 10.1016/j.snb.2019.03.036. -
Phosphate (PO4) 置信度 0.9
“Stretching vibration of P=O at 1108 cm-1.”
He 等 - 2019 - Novel Intumescent Flame Retardant Masterbatch Prep DOI: 10.3390/polym11010050 -
C-O single bond 置信度 0.8
“Peak around 1108 cm⁻¹ indicating C-O bond stretching.”
Akintunde 等 - 2022 - Bacterial Cellulose Production from agricultural R DOI: 10.1080/21655979.2022.2062970 -
Carbonyl (C=O) 置信度 0.2
“C=O na faixa de 1727 à 1733, but 1108 is not C=O; snippet unclear”
Rebello dos Santos 等 - 2015 - Synthesis and characterization of new phosphorylat DOI: 10.1590/0104-1428.1636
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