What absorbs at 1091 cm⁻¹ in an FTIR spectrum?
A band near 1091 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 |
|---|---|---|---|
| Phosphate (PO4) | 3 | 3 | 0.95 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 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
-
Alkyl C-H 置信度 1.0
“Due to C-H deformation vibration”
Thakur 和 Lokhande - 2017 - Dip time-dependent SILAR synthesis and electrochem DOI: 10.1007/s10008-016-3502-2 -
Phosphate (PO4) 置信度 0.95
“Explicitly assigned: 'phosphate (centered at 1091 cm-1, ...)'”
Castorina 等 - 2023 - Evidence for Mild Diagenesis in Archaeological Hum DOI: 10.3390/app13020687 -
C-O single bond 置信度 0.9
“symmetric stretching vibration of -C-O-C”
Hu 等 - 2022 - Preparation and Characterization of Biochar from F DOI: 10.15376/biores.17.4.6464-6475 -
置信度 0.9
“Assignment from table: '1091 (Asymmetric)'”
Husain 等 - 2021 - Investigating Halloysite Nanotubes as a Potential DOI: 10.2147/IJN.S299261 -
Phosphate (PO4) 置信度 0.9
“Band assignment for PO stretching symmetric”
Mijatovic 等 - 2017 - Analysis of pulmonary surfactant by Fourier transf DOI: 10.17305/bjbms.2016.1680 -
Silicon-oxygen (Si-O) 置信度 0.9
“Stretching vibration of Si-O groups.”
Nguyen 等 - 2021 - High CO Adsorption Performance of CuCl-Modified Di DOI: 10.1155/2021/9762578 -
Phosphate (PO4) 置信度 0.9
“Band due to vibration of phosphate group.”
Prasanna 和 Venkatasubbu - 2018 - Sustained release of amoxicillin from hydroxyapati DOI: 10.1007/s40204-018-0103-4 -
置信度 0.9
“Text: 'Bands at 961, 1041 and 1091 are of ... phosphate ions'”
Rodriguez-Lugo 等 - 2018 - Wet chemical synthesis of nanocrystalline hydroxya DOI: 10.1098/rsos.180962
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