What absorbs at 1144 cm⁻¹ in an FTIR spectrum?
Et bånd nær 1144 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 |
|---|---|---|---|
| Methoxy (OCH3) | 6 | 4 | 1.0 |
| Methacrylate | 6 | 4 | 1.0 |
| C-O single bond | 6 | 4 | 1.0 |
| Acetate | 6 | 4 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Fluorine (C-F) | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Hydrogen bond | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 0 | 1.0 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
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Acetate konfidens 1.0
“The band at cm-1 1144 resulted from the stretching vibrations of -C-O ester groups (Guillén & Cabo, cm-1 2000).”
Prediction of peroxide value in omega-3 rich microalgae oil by ATR-FTIR spectroscopy combined with chemometrics DOI: 10.1016/j.foodchem.2017.01.013 -
Hydrogen bond konfidens 1.0
“The Hydrogen bond formation is predicted to be with the hydroxyl -1 peak at 1144 cm is ascribed to oxygen and sulfur double bond of amine groups.”
A case study of poly (aryl ether sulfone) hemodialysis membrane interactions with human blood: Molecular dynamics simulation and experimental analyses DOI: 10.1016/j.cmpb.2020.105742 -
Alkyl C-H konfidens 1.0
“Stretching 1144 1012 1050 1039 H-C-H deformation”
Suardy 等 - 2020 - Analysis and Characterization of Microplastic from DOI: 10.17576/jsm-2020-4909-21 -
Acetate konfidens 1.0
“For both paints, the contribution at 1144 and 1111 cm-1 attributed to C-O stretching disappears.”
Evaluation of the Impacts of Four Weathering Methods on Two Acrylic Paints: Showcasing Distinctions and Particularities DOI: 10.3390/coatings9020121 -
Acetate konfidens 1.0
“the peak at 1143.57 could be assigned to triterpene compounds (C-O);”
Ganoderma lucidum-Mediated Green Synthesis of Silver Nanoparticles with Antimicrobial Activity DOI: 10.3390/ma16124261 -
konfidens 1.0
“The very cm-1 wavenumbers correspond to C-F stretching vibrations of the PTFE strong absorption bands near 1144 and 1204 cm-1 are assigned to the symmetric vibrations of two ether backbone in Nafion.”
Irmawati 等 - 2016 - Polarization Losses Under Dynamic Load Cycle Using DOI: 10.1063/1.4941635 -
konfidens 1.0
“The peak at 177 cm-1 is with the highest intensity are 101, 177, 1144, 1456, and 2923 attributed to Zn-N bond vibrations, the peak at 682 cm-1 is attributed to imidazolate ring puckering vibrations, the peak at 1144 cm-1 is attributed to Zn”
Biocatalysts Synthesized with Lipase from Pseudomonas cepacia on Glycol-Modified ZIF-8: Characterization and Utilization in the Synthesis of Green Biodiesel DOI: 10.3390/molecules27175396 -
Acetate konfidens 1.0
“The signals at 1243 and 1144 cm-1 were assigned to the C-O-H”
Mucilage from Yellow Pitahaya (Selenicereus megalanthus)Fruit Peel: Extraction, Proximal Analysis, and Molecular Characterization DOI: 10.3390/molecules28020786
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