What absorbs at 1092 cm⁻¹ in an FTIR spectrum?
A band near 1092 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 |
|---|---|---|---|
| C-O single bond | 3 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 2 | 1 | 0.9 |
| Phosphate (PO4) | 1 | 1 | 0.9 |
| Methyl | 1 | 1 | 0.9 |
| Aldehyde (CHO) | 1 | 1 | 0.8 |
| Silanol (Si-OH) | 1 | 0 | 0.7 |
| Siloxane (Si-O-Si) | 1 | 0 | 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 0.95
“Absorption band at 1092 cm-1 corresponds to Si-O bond-stretching vibration.”
Chattopadhyay 等 - 2009 - Defects dynamics in annealed Si3N4 by positron ann DOI: 10.1002/pssc.200982077 -
Methyl 置信度 0.9
“Text: 'band around 1092 cm-1 modes of methyl group'.”
Rios 等 - 2011 - Characterisation of hybrid xerogels synthesised in DOI: 10.1007/s10450-011-9331-9 -
Phosphate (PO4) 置信度 0.9
“Text: 'absorption bands at 1032 and 1092 are caused by ν stretching of the phosphate group'”
Narwade 和 Khairnar - 2017 - Cobalt adsorption on the nano-hydroxyapatite matri DOI: 10.1515/bpasts-2017-0016 -
Silicon-oxygen (Si-O) 置信度 0.9
“Text states 'bands at 1060 and 1092 can be attributed Al-O-Si'.”
Tanardi 等 - 2016 - Polyethyleneglycol grafting of y-alumina membranes DOI: 10.1016/j.micromeso.2016.04.024 -
C-O single bond 置信度 0.9
“ester group”
Wen 等 - 2018 - A novel oligomer containing DOPO and ferrocene gro DOI: 10.1016/j.polymdegradstab.2018.08.010 -
Aldehyde (CHO) 置信度 0.8
“Same as above.”
Al-Shaibani 等 - 2021 - Enhanced Pharmaceutically Active Compounds Product DOI: 10.3390/molecules26092510 -
置信度 0.8
“attributed to O-Si asymmetric stretch”
Sadeghzadeh 和 Zhiani - 2019 - Photooxidation of triarylphosphines under aerobic DOI: 10.1039/c8ra09721f -
置信度 0.7
“Peak listed among those confirming carbohydrate.”
Chatterjee 和 Das - 2020 - Developmental stages of biofilm and characterizati DOI: 10.1002/jobm.201900550
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