What absorbs at 1611 cm⁻¹ in an FTIR spectrum?
A band near 1611 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
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Alkene (C=C) | 2 | 2 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Protein beta sheet | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Adsorbed carbon monoxide | 1 | 1 | 1.0 |
Mae＇r safle＇n adlewyrchu tystiolaeth llenyddiaeth gronnwyd, nid rheol awdurdodol sengl. Cadarnhewch bob amser yn erbyn eich cyd-destun sampl.
Llenyddiaeth y tu ôl i＇r aseiniadau hyn
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Adsorbed carbon monoxide hyder 1.0
“comparetothatobservedonpuregalliumorceriumoxides.Inaddition to the bands mentioned above, the spectrum of CO adsorbed on CeGa-IC shows intense and sharp bands at 1611, 1390, and 1216cm-1, similar to those observed in the CO-Ga 2O spectrum.”
Effect of gallia doping on the acid⠍base and redox properties of ceria DOI: 10.1016/j.apcata.2010.08.050 -
Carboxyl (COOH) hyder 1.0
“Initially, the intensity of the asymmetric carboxylate peak positionedat1611cm-1increases,referringtoanincreasingnumberof to zirconium-treatment.”
Effect of organic additives in fluoacid-based Ti and Zr-treatments for galvanized steel on the stability of a polymer coated interface DOI: 10.1016/j.porgcoat.2020.105738 -
Alkene (C=C) hyder 1.0
“The band at 1611 cm-1 is attributed to the C=C cycloalkene bond.”
Comparative Evaluation of Anticorrosive Properties of Mahaleb Seed Extract on Carbon Steel in Two Acidic Solutions DOI: 10.3390/ma12183013 -
Alkene (C=C) hyder 1.0
“cm-1 Moreover, the spectrum of AMPSA presents some characteristic peaks: at 3236 and corresponding to N-H [32] stretching vibrations of the amide group, at 3101, 3035, and cm-1 1611 attributed to H-C=C stretching vibrations of the vinyl gro”
The Influence of Initiator Concentration on Selected Properties of Thermosensitive Poly(Acrylamide-co-2-Acrylamido-2- Methyl-1-Propanesulfonic Acid) Microparticles DOI: 10.3390/polym -
Protein beta sheet hyder 1.0
“Amyloid fibrils yield characteristic FTIR maxcm-1 cm-1, ima between 1611 and 1630 whereas peaks of native β-sheet proteins are typically”
MAK33 antibody light chain amyloid fibrils are similar to oligomeric precursors DOI: 10.1371/journal.pone.0181799 -
Carbonyl (C=O) hyder 1.0
“between the two oxygen atoms (on hydroxyl and carbonyl The bands assigned to the tropolone moiety group) in such a way that the resonance was possible (unsaturated resonant system of ring C) appear at 1611cm-1, cm-1, cm-1 1278cm-1 without z”
Kurek 和 Barczynski - 2016 - Colchiceine Complexes with Lithium, Sodium and Pot DOI: 10.5562/cca2871
Oes gennych sbectrwm gyda＇r band hwn?
Llwythwch eich sbectrwm FTIR i fyny a chael adroddiad dehongli llawn — aseiniadau brig gyda chyfeiriadau llenyddiaeth, cyfateb llyfrgell, a chadwyn dystiolaeth â gradd hyder — mewn eiliadau.
Dehongli fy sbectrwm