What absorbs at 1440 cm⁻¹ in an FTIR spectrum?
A band near 1440 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 |
|---|---|---|---|
| Alkyl C-H | 4 | 4 | 0.9 |
| Carbonate | 3 | 3 | 0.9 |
| Hydroxyl (O-H) | 2 | 2 | 0.9 |
| Acetate | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 0.8 |
| C n single bond | 1 | 1 | 0.7 |
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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Acetate 信頼度 1.0
“Attributed to acetate.”
Fahma 等 - 2017 - PVA nanocomposites reinforced with cellulose nanof DOI: 10.9755/ejfa.2016-02-215 -
信頼度 1.0
“Explicit assignment: 'peaks at 1440 (CH2, CH deformation)'”
Uthamacumaran 等 - 2022 - Machine learning characterization of cancer patien DOI: 10.1002/pmic.201600375 -
Alkyl C-H 信頼度 0.9
“Explicit assignment in text”
BOUSETTA 等 - 1994 - FORMATION OF CARBON NITRIDE FILMS ON SI(100) SUBST DOI: 10.1063/1.112272 -
信頼度 0.9
“Assigned as band D in figure caption.”
Liu 等 - 2020 - Effect of different carbohydrates on the functiona DOI: 10.1016/j.jcs.2020.102979 -
Carbonate 信頼度 0.9
“Region 1400-1440 assigned to carbonate.”
Tacker - 2008 - Carbonate in igneous and metamorphic fluorapatite DOI: 10.2138/am.2008.2551 -
Hydroxyl (O-H) 信頼度 0.9
“Explicit assignment in text.”
Ang 等 - 2021 - Modifying Cellulose Acetate Mixed-Matrix Membranes DOI: 10.3390/membranes11020080 -
Alkyl C-H 信頼度 0.9
“Explicit assignment: 'Bands at 1518 and 1440 are due to C=O stretching and C-H deformation'”
Deyab 等 - 2022 - Theoretical, chemical, and electrochemical studies DOI: 10.1038/s41598-022-06215-6 -
信頼度 0.9
“explicit assignment”
Ghasemzadeh 等 - 2018 - ANALYSIS OF BIOLOGICAL PRETREATMENT OF RAPESEED ST DOI: 10.4067/S0718-221X2018005041801
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