What absorbs at 1242 cm⁻¹ in an FTIR spectrum?
A band near 1242 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 |
|---|---|---|---|
| Amide | 3 | 3 | 1.0 |
| C-O single bond | 3 | 3 | 0.9 |
| Carbohydrate | 2 | 2 | 0.9 |
| N h | 1 | 1 | 0.95 |
| C n single bond | 1 | 1 | 0.95 |
| Aromatic ring | 1 | 1 | 0.9 |
| Alkene (C=C) | 1 | 1 | 0.9 |
| Lignin | 1 | 1 | 0.9 |
| Phosphate (PO4) | 1 | 1 | 0.9 |
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
“Part of same assignment as above.”
Zhang 等 - 2018 - Selective Adsorption of Ag(I) from Electronic Wast DOI: 10.7569/JRM.2017.634154 -
C n single bond 信頼度 0.95
“Explicit assignment: 'was found at 1242 (associated with C-N deformation and N-H stretching)'”
Purba 等 - 2023 - Novel method of hydrolysed collagen extraction fro DOI: 10.47836/ifrj.30.2.08 -
Amide 信頼度 0.9
“Explicit assignment in text: 'Amide III (at 1242 cm-1)'”
Lin 等 - 2011 - A Study on One-Step Immobilization of Horse Immuno DOI: 10.1149/1.3559465 -
Phosphate (PO4) 信頼度 0.9
“Explicit assignment: νas(PO) of DNA/RNA.”
Callary 等 - 2019 - New approach to investigate Common Variable Immuno DOI: 10.1038/s41598-019-43196-5 -
Lignin 信頼度 0.9
“Text: 'stretching vibration of C-O-C of lignin at 1242'”
Chen 等 - 2020 - Properties of Wood Ceramics Prepared from Thermo-M DOI: 10.3390/f11111204 -
C-O single bond 信頼度 0.9
“Assigned to aromatic ether.”
Garcia-Ivars 等 - 2014 - Development of fouling-resistant polyethersulfone DOI: 10.1016/j.seppur.2014.07.056. -
Alkene (C=C) 信頼度 0.9
“C=C peaks at 1242 cm-1”
He 等 - 2020 - Flexible fabric gas sensors based on PANIWO(3)p-n DOI: 10.1007/s40843-020-1364-4 -
Amide 信頼度 0.9
“Text: '1242/1240 (amide III)'”
Huang 等 - 2018 - Characterization and Antioxidant and Angiotensin I DOI: 10.3390/md16100346
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