What absorbs at 952 cm⁻¹ in an FTIR spectrum?
A band near 952 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 8 cited sources
Možná přiřazení funkčních skupin
| Funkční skupina | Podpůrná fakta | Citované zdroje | Nejvyšší spolehlivost |
|---|---|---|---|
| Methoxy (OCH3) | 4 | 4 | 1,0 |
| Methacrylate | 4 | 4 | 1,0 |
| C-O single bond | 4 | 4 | 1,0 |
| Acetate | 4 | 4 | 1,0 |
| C c single bond | 3 | 3 | 1,0 |
| Alkyl C-H | 2 | 2 | 1,0 |
| Silicon carbon | 1 | 1 | 1,0 |
| Silicon (Si) | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Methyl | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
| Silicate | 1 | 1 | 1,0 |
| Alkene (C=C) | 1 | 1 | 1,0 |
| Silanol (Si-OH) | 1 | 1 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Carbohydrate | 1 | 1 | 1,0 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
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Acetate spolehlivost 1,0
“After treatment of wood samples with DES2, new peaks were formed at 1039 cm-1, 952 cm-1, 943 cm-1, and 864 cm-1, which were C-O vibrations in hemicellulose and cellulose, a C-H deformation in cellulose, and out-of-plane C-H out-of-plane aro”
Can 等 - 2023 - Choline Chloride-Based Deep Eutectic Solvent-Treat DOI: 10.3390/f14030569 -
Carboxyl (COOH) spolehlivost 1,0
“Formic acid+montmorillonite The reactions as observed are partly irreversible: peaks are much ∼952, smaller and broader in recovered samples, which suggest that only At 3.7GPa on decompression, we observe peaks at 969, 996 cm-1 small amount”
Reactions between organic acids and montmorillonite clay under Earth-forming conditions DOI: 10.1016/j.chemgeo.2010.12.023 -
C c single bond spolehlivost 1,0
“An additional peak at 952 is attributed to the C-C-O stretching of the”
Ternary Natural Deep Eutectic Solvent (NADES) Infused Phthaloyl Starch as Cost Efficient Quasi-Solid Gel Polymer Electrolyte DOI: 10.1016/j.carbpol.2017.03.023 -
Ring structure spolehlivost 1,0
“The weak band at 952 cm(cid:2)1 cm(cid:2)1 can be attributed to the ring breathing.”
Synthesis, crystal structure, and characterization of cyclohexylammonium tetraisothiocyanatocobaltate(II): A single-source precursor for cobalt sulfide and oxide nanostructures DOI: 10.1016/j.heliyon.2019. -
Silanol (Si-OH) spolehlivost 1,0
“952 cm-1, and attributed it to a change from tridentate to bidentate to monodentate bonding of the surface silanol group.”
Effects of Potassium Loading over Iron–Silica Interaction, Phase Evolution and Catalytic Behavior of Precipitated Iron-Based Catalysts for Fischer-Tropsch Synthesis DOI: 10.3390/catal12080916 -
Alkene (C=C) spolehlivost 1,0
“The band at 952 can be assigned to the stretching vibration of the intermediate trans-olefinic product coming only from the ene-reaction”
Eugenol-based thermally stable thermosets by Alder-ene reaction: From synthesis to thermal degradation DOI: 10.1002/app.39269. -
Silicate spolehlivost 1,0
“For silicate adsorption without As, the IR bands of the cm-1 were attributed to monomeric silicate surface complexes 952 cm-1,”
Polymerization of silicate on TiO2 and its influence on arsenate adsorption: An ATR-FTIR study DOI: 10.1016/j.colsurfa.2015.01.021 -
Alkyl C-H spolehlivost 1,0
“1458 cm-1 and 1384 cm-1 (CH2, CH3 bending vibrations), along with weaker ones at 1171, 1539 2659 1002 848 2553 1124, 1073, 1040, 952 cm-1 (generally, C-O stretch), and 744 cm-1 (C=C-H bend) [25-27].”
Identification of Colourants and Varnishes in a 14th Century Decorated Wood-Carved Door of the Dionysiou Monastery in Mount Athos DOI: 10.3390/coatings11091087
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