What absorbs at 1667 cm⁻¹ in an FTIR spectrum?
Et bånd nær 1667 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 6 cited sources
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Alkyl C-H | 1 | 1 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Ester | 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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Ester konfidens 1.0
“The peak at 1745 is the peak vibration of ester bond - 1667 This assessment is not so obvious when these carbonyl stretching and appears discreetly in AND.”
Martins 等 - 2019 - Approach by Raman and infrared spectroscopy in thr DOI: 10.31349/RevMexFis.65.328 -
konfidens 1.0
“cm-1 CN al.48 Aregahegn et attributed the 1667 peak to the”
Probing Matrix Effects on the Heterogeneous Photochemistry of Neonicotinoid Pesticides, Dinotefuran and Nitenpyram DOI: 10.1021/acsearthspacechem.1c00059 -
Hydroxyl (O-H) konfidens 1.0
“In the cm-1 FTIR spectrum of Qu, absorbance at 3411 was cm-1 assigned to a free -OH bond vibration,at 1667 and cm-1 1612 were assigned to the stretching vibration of”
Setyawan 等 - 2018 - Improvement in vitro Dissolution Rate of Quercetin DOI: 10.22146/ijc.28511 -
Amide konfidens 1.0
“LLM confirmed rule peak-group candidate”
Ligand Radical Mediated Water Oxidation by a Family of Copper o -Phenylene Bis-oxamidate Complexes DOI: 10.1021/acs.inorgchem.1c00546 -
Water (H2O) konfidens 1.0
“The occurrence of 1667cm-1 well-resolved water bending vibration bands at about 1595 and accounts for more than one structural water molecule as expected by charoite-90 polytype structure model from literature.”
Lacalamita - 2018 - Micro-FTIR and EPMA Characterisation of Charoite f DOI: 10.1155/2018/9293637 -
Alkyl C-H konfidens 1.0
“1 gions of Bifido probiotics membrane with lecithin, as supported by the stretching vibrations at 2937 The peak at 1457 stands for cm(cid:0) 1 overlay of Bifido peaks with lecithin peaks for both FTIR and Raman CH2 deformation, and finally”
Plaza 等 - 2023 - LecithinBifidobacterium probiotics interactions DOI: 10.1016/j.fbio.2022.102268
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