What absorbs at 2909 cm⁻¹ in an FTIR spectrum?
Et bånd nær 2909 cm⁻¹ kan peke på flere funksjonelle grupper. Nedenfor er de mest sannsynlige tildelingene, rangert etter hvor mye publiserte bevis som støtter hver — hver enkelt sporbar til litteratur (DOI) og kryssvalidert mot våre 130 000+ referansespektre og kunnskapsgraf.
Backed by 8 cited sources
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Alkyl C-H | 7 | 7 | 1.0 |
| Amide | 3 | 3 | 1.0 |
| Methacrylate | 2 | 2 | 1.0 |
| Ketone | 2 | 2 | 1.0 |
| Ester | 2 | 2 | 1.0 |
| Carboxyl (COOH) | 2 | 2 | 1.0 |
| Carbonyl (C=O) | 2 | 2 | 1.0 |
| Acetate | 2 | 2 | 1.0 |
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| Secondary amine | 1 | 1 | 1.0 |
| C n single bond | 1 | 1 | 1.0 |
| Carbonate | 1 | 1 | 1.0 |
| Hydrogen bond | 1 | 1 | 1.0 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
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Hydrogen bond konfidens 1.0
“The band 2909cm-1 at is due to carbon-hydrogen bond (C-H) stretching vibration.”
Eliza 等 - 2015 - Carboxymethyl Cellulose (CMC) from Oil Palm Empty DOI: 10.1088/1742-6596/622/1/012026 -
Carbonate konfidens 1.0
“The low intensity bands at 2909 probably corresponding to carbonate C=O group from cm-1 carbonate ion.”
Characterization of quicklime as raw material to hydrated lime: Effect of temperature on its characteristics DOI: 10.1063/1.5066668 -
Alkyl C-H konfidens 1.0
“LLM confirmed rule peak-group candidate”
Gonultas 和 Candan - 2018 - CHEMICAL CHARACTERIZATION AND FTIR SPECTROSCOPY OF DOI: 10.4067/S0718-221X2018005031301 -
Hydroxyl (O-H) konfidens 1.0
“3458 3557 OH stretching 2909 2944 CH stretching of CH and CH groups 2 3 COOH-O-H bending of absorbed water and/or C=O stretching of amid/or asymmetrical”
Heidarieh 等 - 2014 - Preparation and anatomical distribution study of G DOI: 10.2478/nuka-2014-0019 -
Amide konfidens 1.0
“3 968 C-N stretching - 2909 -CH Vibrations 3 1000”
Origin of Defects and Positron Annihilation in Hybrid and All-Inorganic Perovskites DOI: 10.1021/acs.chemmater.1c03540 -
Alkyl C-H konfidens 1.0
“The peak at 2909 for the pure GG is assigned to the antisymmetric and symmetric C-H stretching vibrations of the methylene hydroxyl groups (-CH 2OH) [12,14,17,18].”
Guar Gum as an Eco-Friendly Corrosion Inhibitor for Pure Aluminium in 1-M HCl Solution DOI: 10.3390/ma12162620 -
Alkyl C-H konfidens 1.0
“LLM confirmed rule peak-group candidate”
Radioactive Cobalt(II) Removal from Aqueous Solutions Using a Reusable Nanocomposite: Kinetic, Isotherms, and Mechanistic Study DOI: 10.3390/ijerph14121453 -
Acetate konfidens 1.0
“of methyl and methylene (2909 the O-C=O stretching vibration of -COOH (1638 the C-O-C cm-1);”
Enhanced heavy metal removal from an aqueous environment using an eco-friendly and sustainable adsorbent DOI: 10.1038/s41598-020-73570-7
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