What absorbs at 1574 cm⁻¹ in an FTIR spectrum?
A band near 1574 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 4 cited sources
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Alkene (C=C) | 2 | 2 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Amine primary | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
Alkyl C-H 信心 1.0
“absorption peaks of sugars, and absorptions at 1574 and 1412 were the characteristics of C-H cm-1 cm-1 cmat 1640 was due to C=O (-COOH) stretching vibration, which was the proof of the presence of 1 vibration, respectively [32].”
Song 等 - 2020 - Acetylated Polysaccharides From Pleurotus geestera DOI: 10.3390/ijms21082810 -
Alkene (C=C) 信心 1.0
“cm-1, At 1574.38 peaks were found that corresponded to the involvement of alkenes (-C=Cstretch).”
The Nutritional Quality and Structural Analysis of Black Soldier Fly Larvae Flour before and after Defatting DOI: 10.3390/insects13020168 -
Alkene (C=C) 信心 1.0
“Two other bands, 1574 and 1513 were observed for the mixed mode of the C=O and C=C stretching vibrations, these vibrations were calculated at 1628 cm-1 and 1620 respectively.”
Density Functional Theory and Molecular Docking Investigations of the Chemical and Antibacterial Activities for 1-(4-Hydroxyphenyl)-3-phenylprop-2-en-1-one DOI: 10.3390/molecules26123631 -
Amine primary 信心 1.0
“2 (spectrum h) shows characteristic bands at 3460.4 and 3363.5 cm-1 (NH2 stretching), 1662.8 cm-1 (C=O cm-1 p-Aminobenzoic acid (spectrum h) shows characteristic bands at 3460.4 and 3363.5 stretching), 1624.3 cm-1 (NH2 in plane deformation)”
Garbacz 和 Wesolowski - 2018 - DSC, FTIR and Raman Spectroscopy Coupled with Mult DOI: 10.3390/molecules23092136
有包含此波峰的圖譜嗎？
上傳您的FTIR圖譜，幾秒內即可獲得完整的解讀報告——包含帶有文獻引用的峰位指派、圖譜庫比對以及信心等級評估的證據鏈。
解讀我的圖譜