What absorbs at 846 cm⁻¹ in an FTIR spectrum?
Et bånd nær 846 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 |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1.0 |
| Ring structure | 2 | 2 | 1.0 |
| Methoxy (OCH3) | 2 | 2 | 1.0 |
| Methacrylate | 2 | 2 | 1.0 |
| C-O single bond | 2 | 2 | 1.0 |
| Acetate | 2 | 2 | 1.0 |
| Metal oxygen | 2 | 2 | 1.0 |
| S eq o | 1 | 1 | 1.0 |
| Sulfonyl | 1 | 1 | 1.0 |
| Sulfate (SO4) | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
| Oxygen heterocycle | 1 | 1 | 1.0 |
| Carbonate | 1 | 1 | 0.5 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
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Oxygen heterocycle konfidens 1.0
“Polymers2023,15,2477 8of15 idation system, identified axial flexion and bending of the oxirane ring at 870 cm-1 and 846 cm-1 related to this group's polarization.”
Montenegro 等 - 2023 - Enzymatic and Synthetic Routes of Castor Oil Epoxi DOI: 10.3390/polym15112477 -
Alkyl C-H konfidens 1.0
“The result in cm-1 peaks of the FTIR bands at 846, 1050, 2361 or 1478 figure 3(b) indicates that La and O elements are of an approxiC≡N are assigned to CH 2, C-O, stretching vibration, and CH mate molar ratio of 1:3 (H cannot be detected by”
Mu 等 - 2009 - Synthesis, characterization and photoluminescence DOI: 10.1088/0957-4484/20/34/345602 -
Carbohydrate konfidens 1.0
“This likely due to dense 803cm(cid:1)1 tion bands at 846 and in Cell-PTA are attributed to and non-porous nature of regenerated cellulose membrane [21].”
Fabrication and characterization of modified microcrystalline cellulose membrane as proton exchange membrane for direct methanol fuel cell DOI: 10.1016/j.matpr.2021.01.431 -
Metal oxygen konfidens 1.0
“in [BiO 6] A band centered at around 846 of the particles was slightly turned over from flakecm-1 stands for the Bi-O-Bi bond bending vibration.”
Sun 等 - 2018 - Structure and Electric Conductivity of Ce-doped Bi DOI: 10.1007/s11595-018-1934-5 -
Phosphate (PO4) konfidens 1.0
“The band at 846 symbolizes trations (5% and 10% of the inhibitory concentration) and asymmetric vibrations of P-O group and stretching vibra-”
Comparison of the Effects of Statins on A549 Nonsmall‐Cell Lung Cancer Cell Line Lipids Using Fourier Transform Infrared Spectroscopy: Rosuvastatin Stands Out DOI: 10.1002/lipd.12296 -
Metal oxygen konfidens 1.0
“the out-of-plane by change of the Bi-O-Bi-O-Bi to Bi-O-Al-O-Bi arrangement in Bi 2O 2CO 3, which changed the bending v2, which notes at 846 cm-1;”
Synthesis and Characterization of a New Aluminum-Doped Bismuth Subcarbonate DOI: 10.3390/cryst9090466 -
Sulfate (SO4) konfidens 1.0
“/ Food Hydrocolloids 29 (2012) cm(cid:4)1 Instron Corporation) using ASTM Standard Method D 882-91 attributed to the 3,6-anhydrogalactose group, a peak at 846 cm(cid:4)1 (Pereiraetal.,2010).Filmspecimens(45(cid:5)20mm2strips)werecut corresp”
Martins 等 - 2012 - Synergistic effects between kappa-carrageenan and DOI: 10.1016/j.foodhyd.2012.03.004 -
Acetate konfidens 1.0
“The bands at 1148, 1077, 1013 and 1019 cm-1 were produced by C-O stretching, while the peaks at 846 and 760 cm-1 were assigned to C-H bending and ring puckering [52].”
Zhang 等 - 2020 - Fabrication of Spray-Dried Microcapsules Containin DOI: 10.3390/foods9091316
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