What absorbs at 943 cm⁻¹ in an FTIR spectrum?
A band near 943 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) | 2 | 2 | 0.8 |
| Silanol (Si-OH) | 1 | 1 | 0.8 |
| Hydroxyl (O-H) | 1 | 1 | 0.8 |
| Siloxane (Si-O-Si) | 1 | 1 | 0.7 |
| Metal oxygen | 1 | 1 | 0.7 |
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 0.9
“Explicit assignment: 'symmetric stretching band at 943 due to P(1)'.”
Boanini 等 - 2019 - Strontium and Zinc Substitution in beta-Tricalcium DOI: 10.3390/jfb10020020 -
置信度 0.9
“Explicit assignment: 'ν s (C1-O-C4)'”
Wang 等 - 2016 - Retrogradation enthalpy does not always reflect th DOI: 10.1038/srep20965 -
置信度 0.8
“Text: 'new bands peaked at 943, 838' and 'surface peroxo species... TiOO-'.”
Nakamura 等 - 2003 - In situ FTIR studies of primary intermediates of p DOI: 10.1021/ja029503q -
Hydroxyl (O-H) 置信度 0.8
“-OH and Si-OH stretching bands”
Al-Khafaji 等 - 2022 - Amino Surface Modification and Fluorescent Labelli DOI: 10.3390/ma15072696 -
Silicon-oxygen (Si-O) 置信度 0.8
“Peak centered at 943 cm-1 assigned to presence of SiO.”
Radev 等 - 2009 - OrganicInorganic bioactive materials Part II in DOI: 10.2478/s11532-009-0076-1 -
Metal oxygen 置信度 0.7
“Functional vibrational bands.”
Herrera-Barros 等 - 2020 - Nickel adsorption from aqueous solution using lemo DOI: 10.1016/j.scp.2020.100299 -
置信度 0.7
“Mentioned as 'asymmetric band peaking at 943'.”
Savory 等 - 2011 - Shallow Electron Trap, Interfacial Water, and Oute DOI: 10.1021/jp102723u -
置信度 0.7
“Described as bending at 943.”
Grivel 等 - 2020 - Thermal decomposition of Yttrium 2-methylbutyrate DOI: 10.1016/j.jaap.2020.104898
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