What absorbs at 3478 cm⁻¹ in an FTIR spectrum?
A band near 3478 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 3 | 0.95 |
| N h | 1 | 1 | 0.9 |
| Silanol (Si-OH) | 1 | 1 | 0.9 |
| Amide | 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
-
Hydroxyl (O-H) 置信度 0.95
“Explicit assignment: 'absorption at 3478 cm-1 corresponding AOH stretching vibration'”
Kang - 2014 - Photoluminescence of cellulose acetate and silica DOI: 10.1016/j.spmi.2014.04.012 -
Amide 置信度 0.9
“Text: 'amide peaks at ... 3478'.”
Hussin 等 - 2020 - Taguchi design-assisted immobilization of Candida DOI: 10.1016/j.enzmictec.2019.109506 -
Silanol (Si-OH) 置信度 0.9
“explicit assignment”
Jiang 等 - 2011 - Photoresponsive Release from Azobenzene-Modified S DOI: 10.1155/2011/439756 -
N h 置信度 0.9
“Text: 'peaks at 3478 cm-1 NH-bond'”
Mohamed 等 - 2022 - Development of hydrogel based on Carboxymethyl cel DOI: 10.1186/s13065-022-00846-6 -
Hydroxyl (O-H) 置信度 0.8
“Text: 'prominent band centered at 3478 was M...' and later 'bands at 1600 to 1000 may either to OH group or residual carbonate species'.”
Handal 和 Thangadurai - 2013 - Evaluation of chemical stability, thermal expansio DOI: 10.1016/j.jpowsour.2013.05.173 -
Hydroxyl (O-H) 置信度 0.8
“Stretching vibrations of O-H of water molecules.”
Indumathi 等 - 2021 - Effects of Nd doping on structural, optical, morph DOI: 10.1016/j.surfin.2021.101000
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