What absorbs at 3336 cm⁻¹ in an FTIR spectrum?
A band near 3336 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Hydroxyl (O-H) | 7 | 7 | 0.95 |
| N h | 2 | 2 | 1.0 |
| Amine primary | 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
-
N h 信心 1.0
“N-H stretching”
Khaliq 等 - 2023 - A novel study for producing complexed and encapsul DOI: 10.1038/s41598-023-37607-x -
Amine primary 信心 1.0
“attributed to primary amine”
Rozi 等 - 2016 - Characterization of Ultraviolet-Photocured Acrylam DOI: 10.1063/1.4966755 -
Hydroxyl (O-H) 信心 0.95
“Text: 'peak located ≈ 3336 was obtained from the -OH stretching'.”
Boonsuk 等 - 2021 - Structure-properties relationships in alkaline tre DOI: 10.1016/j.aiepr.2019.11.003. -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment: peak intensity of OH group from jute cotton fibers occurred at 3336 cm-1.”
Rahman 等 - 2015 - Synthesis of Cotton from Tossa Jute Fiber and Comp DOI: 10.1155/2015/470928 -
Hydroxyl (O-H) 信心 0.9
“Stretching vibration absorption peak of -OH group in MCC.”
Pan 等 - 2020 - Preparation and Properties of Microcrystalline Cel DOI: 10.3390/ma13194370 -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment: 'presence of the hydrox' (hydroxyl).”
Paranthaman 等 - 2022 - Anti-Proliferative Potential of Quercetin Loaded P DOI: 10.3390/pharmaceutics14081643 -
N h 信心 0.9
“Symmetric stretching vibration of NH group.”
Sivasankari 等 - 2013 - Synthesis and Characterization of Thiophene Contai DOI: 10.14233/ajchem.2013.13514 -
Hydroxyl (O-H) 信心 0.9
“Explicitly assigned to -OH stretching vibrations.”
Sun 等 - 2023 - Effect of Vacuum Heat Treatment on Larch Earlywood DOI: 10.3390/f14010043
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