What absorbs at 1874 cm⁻¹ in an FTIR spectrum?
A band near 1874 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 2 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 |
|---|---|---|---|
| Amide | 3 | 2 | 1.0 |
| Methacrylate | 2 | 1 | 1.0 |
| Ketone | 2 | 1 | 1.0 |
| Ester | 2 | 1 | 1.0 |
| Carboxyl (COOH) | 2 | 1 | 1.0 |
| Carbonyl (C=O) | 2 | 1 | 1.0 |
| Acetate | 2 | 1 | 1.0 |
| Ammonium | 1 | 1 | 1.0 |
| Secondary amine | 1 | 1 | 1.0 |
| C n single bond | 1 | 1 | 1.0 |
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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Amide 信頼度 1.0
“The intensive bands located at 1874, 1567 and 1056 were peared after being treated with sodium sulfide and were assigned to the stretching vibraC-O, C-N correlated with the and C=S groups, as shown in Figure 5b [16,17].”
Ibrahim 等 - 2022 - Effect of Ammonium Sulfide on Sulfidization Flotat DOI: 10.3390/min12101193 -
Acetate 信頼度 1.0
“(the ((cid:1874)) of the C=O band) in amide and 1737 cm-1 stretching vibration of the lipid [22], (3) (the 1467 cm-1 (the CH3 bending of the lipid or protein regions) [11], and (4) 1087 and 1241 cm-1 ((cid:1874) as)”
Srisongkram 等 - 2020 - Evaluation of Melanoma (SK-MEL-2) Cell Growth betw DOI: 10.3390/ijms21114141
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