What absorbs at 2019 cm⁻¹ in an FTIR spectrum?
A band near 2019 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
可能性のある官能基アサイン
| 官能基 | 裏付け事実 | 引用元 | 最高信頼度 |
|---|---|---|---|
| C c single bond | 2 | 2 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| S eq o | 1 | 1 | 1.0 |
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これらのアサインの根拠となる文献
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信頼度 1.0
“ao, Moraes, Souza, Carciofi, Laurindo, of 1800 to 800 was used for PLSR analysis since the band is re2019) were found to produce fruit leather with high quality in sensory ported to greatly correlated with functional groups (Baum et al., 20”
Chemical versus infrared spectroscopic measurements of quality attributes of sun or oven dried fruit leathers from apple, plum and apple-plum mixture DOI: 10.1016/j.lwt.2021.112420 -
S eq o 信頼度 1.0
“Influence of HCl, KOH and acetolysis cm-1 Meanwhile, considering that the peak around 1,150 was also treatments on sporopollenin correlated with S=O stretch vibrations (Oh and Baiz, 2019), the”
Influence of common palynological extraction treatments on ultraviolet absorbing compounds (UACs) in sub-fossil pollen and spores observed in FTIR spectra DOI: 10.3389/fevo.2023.1096099 -
信頼度 1.0
“There cm-1 was also slight shift of peaks to a higher wavenumber at 1065 after Cu and Fe impregnation on ZSM-5 and HZSM-5 in the absorption band ascribed to internal asymmetric stretch of extremely Catalysts 2019, 9, x FOR PEER REVIEW”
Hydroprocessing of Oleic Acid for Production of Jet-Fuel Range Hydrocarbons over Cu and FeCu Catalysts DOI: 10.3390/catal9121051 -
C-O single bond 信頼度 1.0
“A noteworthy observation is the degradation of the polymeric side chain which is apparent from decrease of the absorption at 1240 cm-1 attributed to the asymmetric stretching vibration C-O-C Coatings2019,9,121 6of13”
Evaluation of the Impacts of Four Weathering Methods on Two Acrylic Paints: Showcasing Distinctions and Particularities DOI: 10.3390/coatings9020121 -
C c single bond 信頼度 1.0
“Due to the simpler liking point between the Downloaded propyl chain and the aryl-sulfonic moieties, in this spectrum, the low frequency region appears poorer in signals, with a cm-1, sharp band centred at 1500 related to the C-C stretching”
Erigoni 等 - 2019 - Acid properties of organosiliceous hybrid material DOI: 10.1039/C9CY01609K. -
C c single bond 信頼度 1.0
“The peaks of 1071 and 1022 correspond to the aromatic C-C stretching vibration Sensors 2019, 19, x FOR PEER REVIEW 5 of 13 cm-1 characteristic for the C=C bonds in CNTs, and 1468 cm-1 is due to the C-O carboxylate anion mode.”
Ionete 等 - 2019 - A Room Temperature Gas Sensor Based on Sulfonated DOI: 10.3390/s19051116 -
Carbonyl (C=O) 信頼度 1.0
“cm-1 (1793 disappear, and a couple of bands at 2019 and 2079 are retained, which carbonyl ligands (1793 cm-1) disappear, and a couple of bands at 2019 and 2079 cm-1 are indicates the stable anchoring of rhodium carbonyl complexes.”
Kardasheva 等 - 2023 - Hydroformylation of Alkenes over Phosphorous-Free DOI: 10.3390/catal13050818 -
Alkyl C-H 信頼度 1.0
“(=C-H (C=C stretching vibrations), 1350 cm-1 (C=N stretching vibrations), and 760 cm-1 (=C-H bending stretching vibrations), 1350 stretching vibrations), and 760 bending vibrations) (C=C stretching vibrations), 1350 cm-1 (C=N stretching vib”
Application of FTIR Method for the Assessment of Immobilization of Active Substances in the Matrix of Biomedical Materials DOI: 10.3390/ma12182972
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