What absorbs at 3325 cm⁻¹ in an FTIR spectrum?
A band near 3325 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
可能性のある官能基アサイン
| 官能基 | 裏付け事実 | 引用元 | 最高信頼度 |
|---|---|---|---|
| N h | 6 | 5 | 0.95 |
| Hydroxyl (O-H) | 3 | 2 | 0.9 |
| Amine primary | 1 | 1 | 0.8 |
| C n single bond | 1 | 1 | 0.8 |
ランキングは蓄積された文献証拠を反映しており、単一の権威あるルールではありません。常にサンプルのコンテキストと照合して確認してください。
これらのアサインの根拠となる文献
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N h 信頼度 0.95
“Explicit assignment in text.”
Lando 等 - 2017 - UV-Surface Treatment of Fungal Resistant Polyether DOI: 10.3390/ijms18071536 -
N h 信頼度 0.9
“Explicit assignment in text: 'peak located at 3325 cm-1 representing N-H stretching'”
Purbaya 等 - 2015 - Synthesis of Sunflower Oil Based Elastomer and Its DOI: 10.1002/masy.201550322 -
N h 信頼度 0.9
“Peak at 3325 cm-1 assigned to stretching mode of N-H group.”
Ahmad 等 - 2022 - Synthesis and characterization of poly(o-chloroani DOI: 10.30955/gnj.004205 -
N h 信頼度 0.9
“band associated with N-H bond”
Liszkowska 等 - 2019 - The Effect of Accelerated Aging Conditions on the DOI: 10.3390/app9132663 -
Hydroxyl (O-H) 信頼度 0.9
“broad peak attributed to O-H stretching”
Verma 等 - 2022 - Synthesis of N-Benzylideneaniline by Schiff base r DOI: 10.1038/s41598-022-13360-5 -
Hydroxyl (O-H) 信頼度 0.9
“Associated with hydroxyl stretching vibrations of sodium silicate.”
Wei 等 - 2019 - Selective Separation of Scheelite from Calcite by DOI: 10.3390/min9010043 -
C n single bond 信頼度 0.8
“Associated with C-N and primary amine peaks.”
Baloyi 和 Marx - 2021 - Preparation of bio-oil from Scenedesmus acutus usi DOI: 10.17159/2413-3051/2021/v32i2a8903 -
N h 信頼度 0.8
“N-H identified by broad absorption peak at 3325.”
Chowdhury 等 - 2023 - Development and characterization of natural source DOI: 10.1016/j.heliyon.2023.e13538
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