What absorbs at 1980 cm⁻¹ in an FTIR spectrum?
A band near 1980 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 |
|---|---|---|---|
| Carbonyl (C=O) | 2 | 2 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Aromatic ring | 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 |
| Amide | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| N-O bond | 1 | 1 | 1,0 |
Rangering afspejler akkumulerede litteraturbeviser, ikke en enkelt autoritativ regel. Bekræft altid mod din prøvekontekst.
Litteratur bag disse tildelinger
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N-O bond tillid 1,0
“The absence of a obtain the right combination of deposition parameters y1 peak at 1980 cm indicates there is no bonding of to give us a film with a band gap of exactly 1.4 eV, we”
Soukup 等 - 2004 - Deposition of high quality amorphous silicon, germ DOI: 10.1016/j.surfcoat.2003.08.006 -
tillid 1,0
“For all samples, the part x cm-1 of the spectra related to multi coordinated CO contains a band at 1980 that can be assigned to two-coordinated (bridged) CO on Pd(100) facets [37].”
Facile Redox Synthesis of Novel Bimetallic Crn+/Pd0 Nanoparticles Supported on SiO2 and TiO2 for Catalytic Selective Hydrogenation with Molecular Hydrogen DOI: 10.3390/catal11050583 -
Acetate tillid 1,0
“In the GO-ZnO and GO-ZnO-APTES spectra, a series of small peaks appeared in the rangeof1980cm-1 and1610cm-1 whichcouldbeassignedtothestretchingvibrationofthe cm-1 C=O bond within esters, amides, carboxylic, ketones groups [15].”
Synthesis and Characterization of Some Graphene Oxide Powders Used as Additives in Hydraulic Mortars DOI: 10.3390/app112311330 -
Aromatic ring tillid 1,0
“FTIR spectra of soluble and dioxane lignins cm-1 The absorbance peak at 890 was assigned to isolated aromatic C-H bond vibrations (Lora and Wayman 1980), which indicated that there was a condensation”
Zhang 等 - 2020 - Structural Characterization of Soluble Lignin in t DOI: 10.1021/jf00089a038 -
Carbonyl (C=O) tillid 0,9
“ν(CO) absorption band”
Ligand effects on structural, protophilic and reductive features of stannylated dinuclear iron dithiolato complexes DOI: 10.1039/d0nj04790b -
tillid 0,9
“Assigned as CO peak.”
Esmieu 等 - 2019 - Synthesis of a miniaturized [FeFe] hydrogenase mod DOI: 10.1039/c8dt05085f
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