What absorbs at 2984 cm⁻¹ in an FTIR spectrum?
A band near 2984 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 6 cited sources
Mulige funktionelle gruppetildelinger
| Funktionel gruppe | Understøttende fakta | Citerede kilder | Højeste tillid |
|---|---|---|---|
| Alkyl C-H | 5 | 5 | 1,0 |
| Carbonyl (C=O) | 2 | 2 | 1,0 |
| Alkene (C=C) | 2 | 2 | 1,0 |
| Carboxyl (COOH) | 2 | 2 | 1,0 |
| Methacrylate | 2 | 1 | 1,0 |
| Acetate | 2 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Ketone | 1 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Methyl | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 0 | 1,0 |
| C-O single bond | 1 | 0 | 1,0 |
Rangering afspejler akkumulerede litteraturbeviser, ikke en enkelt autoritativ regel. Bekræft altid mod din prøvekontekst.
Litteratur bag disse tildelinger
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Alkene (C=C) tillid 1,0
“cm-1, Characteristic bands of MAA were presented at 1638 4.9 Fourier transform infrared spectroscopy 1700cm-1, 2984cm-1 and on the FTIR spectrum that were associated with C=C stretching vibrations, carboxylic acid groups, C-H and methyl asy”
Abdullah 等 - 2023 - Formulation of pH-responsive highly swellable hydr DOI: 10.3389/fbioe.2023.1190322 -
Alkyl C-H tillid 1,0
“The FT-IR spectrum of the innovator drug was cm-1 characterized by the principal transmittance bands at 3415 and 3154 due to N-H cm-1 cm-1 (stretching), 3065 due to = C-H (aromatic stretching), 2984 and 2950 due to C-H cm-1”
Adam 等 - 2022 - Comparative Evaluation of Amlodipine Besylate Gene DOI: 10.14227/DT290422PGC2 -
Alkyl C-H tillid 1,0
“stretching 2984 2 -CH Injection temperature (s) 20 3 3 -CH stretching 2936 Postinjection time (s) 10”
Cardenas-Trivino 等 - 2019 - Synthesis and Properties of Bionanocomposites of P DOI: 10.1155/2019/4520927 -
Alkyl C-H tillid 1,0
“The FTIR spectrum of FEN showed main absorption bands, significant to C-H stretching of isopropyl group at 2984 cm-1, ester carbonyl stretching at 1725 cm-1, carbonyl stretching at 1648 cm-1, benzene ring stretching at 1597 cm-1, and aryl e”
Screening of Fenofibrate-Simvastatin Solid Dispersions in the Development of Fixed-Dose Formulations for the Treatment of Lipid Disorders DOI: 10.3390/pharmaceutics15020603 -
Hydroxyl (O-H) tillid 1,0
“The FTIR spectrum of the plant extract shows -1 cm-1 cm-1 characteristics peaks at 3307 for the OH functional group, 2984 for the carboxyl characteristics peaks at 3307 cm-1 for the OH functional group, 2984 cm-1 for the carboxyl”
Green Synthesis of Silver Nanoparticles Using Rhazya stricta Decne Extracts and Their Anti-Microbial and Anti-Oxidant Activities DOI: 10.3390/cryst13030398 -
Alkyl C-H tillid 0,9
“assigned to stretching vibrations of -CH group”
Immobilization of Methyltrioxorhenium on Mesoporous Aluminosilicate Materials DOI: 10.3390/ma7042650
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