What absorbs at 2906 cm⁻¹ in an FTIR spectrum?
Et bånd nær 2906 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 5 cited sources
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Alkyl C-H | 5 | 5 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
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Alkyl C-H konfidens 1.0
“0.626±0.007 0.623±0.006 0.60 *** CH3 asymmetric stretching 2944.54±0.17 2944.59±0.29 0.81 0.719±0.030 0.074±0.036 CH2 asymmetric stretching 2905.65±0.58 2905.45±0.17 0.60 0.630±0.021 0.642±0.028 0.58 CH3 symmetric stretching”
Differentiation in MALDI-TOF MS and FTIR spectra between two pathovars of Xanthomonas oryzae DOI: 10.1016/j.saa.2014.06.056 -
Hydroxyl (O-H) konfidens 1.0
“In a comparison, the band peaked at 2906 cm-1 can be attributed to presence of OH groups that could be confirmed by the appearance of broad band with a maximum at 3351cm-1 cm-1 C-H stretching in dextran [32,33], since such band was not obse”
Development of Polymer Blend Electrolyte Membranes Based on Chitosan: Dextran with High Ion Transport Properties for EDLC Application DOI: 10.3390/ijms20133369 -
Alkyl C-H konfidens 1.0
“This is convincing evidence of an increased amorphous region within at 3351cm⁻1 as shown in Figure 4c [51,52].Figure 4calso exhibits a band at 2906 cm⁻1that is related to C-H stretching [51-53].”
Structural, Impedance and Electrochemical Characteristics of Electrical Double Layer Capacitor Devices Based on Chitosan: Dextran Biopolymer Blend Electrolytes DOI: 10.3390/polym12061411 -
Alkyl C-H konfidens 1.0
“cm-1 as gas phase methane at 3015 In addition, peaks are present at 2906 and a cm-1 sym shoulder at 2885 which are attributed to a methine (CH) stretching mode and the”
Mcnab 等 - 2017 - Quantification and qualification by in-situ FTIR o DOI: 10.1016/S0926-860X(99)00160-X. -
Alkyl C-H konfidens 1.0
“LLM confirmed rule peak-group candidate”
Preparation and Optimization of Water-Soluble Cationic Sago Starch with a High Degree of Substitution Using Response Surface Methodology DOI: 10.3390/polym12112614
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