What absorbs at 3252 cm⁻¹ in an FTIR spectrum?
A band near 3252 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 5 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) | 2 | 2 | 1.0 |
| N h | 1 | 1 | 1.0 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| Methacrylate | 1 | 1 | 1.0 |
| Ketone | 1 | 1 | 1.0 |
| Ester | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Acetate | 1 | 1 | 1.0 |
| Alkyl C-H | 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
-
Hydroxyl (O-H) 信心 1.0
“In the aqueous mycelium extract (G-Control), the following bands were identified: the broadband at 3251.97 cm-1 corresponds to -OH stretching from alcohol and phenolic indicates the C-H stretching of alkanes;”
Ganoderma lucidum-Mediated Green Synthesis of Silver Nanoparticles with Antimicrobial Activity DOI: 10.3390/ma16124261 -
Alkyl C-H 信心 1.0
“FTIR spectrum showed absorption bands at 3251.75, cm-1, 1718.41, 1618.84, 1275.51, 1260.64, 1207.79, 1042.85, 764.29, and 750.17 which corresponds to 0-H, CH, C=O, and C=C stretching bands that indicate the presence of carboxylic acid, arom”
Diksha 等 - 2023 - Antibacterial Potential of Gold Nanoparticles Synt DOI: 10.7759/cureus.34830 -
Hydroxyl (O-H) 信心 1.0
“Explicit assignment: 'hydroxyl group (3252 -OH)'”
Bola-amphiphile-imidazole embedded GO membrane with enhanced solvent dehydration properties DOI: 10.1016/j.memsci.2019.117545 -
信心 1.0
“The FTIR spectrum of the pure drug showed the characteristic peaks at 1650.76 due to C=O stretching, at 3364.90 due to O-H stretching, 3252.43 due to N-H stretch, 1435.82 due to C-F stretching,”
Dissolution Improvement of Atorvastatin Calcium using Modified Locust Bean Gum by the Solid Dispersion Technique DOI: 10.3797/scipharm.1301-23 -
信心 0.8
“Bands widened between 3500 and 3252 referring to striation band.”
Rutin-Functionalized Multi-Walled Carbon Nanotubes: Molecular Docking, Physicochemistry and Cytotoxicity in Fibroblasts DOI: 10.3390/toxics9080173
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