FTIR峰解读
What absorbs at 3668 cm⁻¹ in an FTIR spectrum?
A band near 3668 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 3 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 3 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1.0 |
| Metal hydroxyl | 1 | 0 | 1.0 |
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
-
Hydroxyl (O-H) 置信度 1.0
“numbers of 3668 3429 1073 960 840 and 748 The broad band cm-1 cm-1 absorptions at wave number of 3668 dan 3429 show the -OH stretching vibration of sample surface.”
Nizar 等 - 2018 - The Effect of Titanium Tetrahedral Coordination of DOI: 10.1088/1757-899X/335/1/012036 -
Hydroxyl (O-H) 置信度 1.0
“The carbonate compothe structural OH stretching at 3668 and magnesite (Keller & Flynn 2001).”
FTIR and Raman analyses of the Tagish Lake meteorite: Relationship with the aliphatic hydrocarbons observed in the Diffuse Interstellar Medium DOI: 10.1051/0004-6361:20034526 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment for kaolinite OH stretching.”
Weng 等 - 2020 - Black carbon enriches short-range-order ferrihydri DOI: 10.1016/j.scitotenv.2020.138195
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