What absorbs at 1696 cm⁻¹ in an FTIR spectrum?
A band near 1696 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 4 cited sources
Mulige funktionelle gruppetildelinger
| Funktionel gruppe | Understøttende fakta | Citerede kilder | Højeste tillid |
|---|---|---|---|
| Carbonyl (C=O) | 3 | 2 | 0,9 |
| Protein beta sheet | 1 | 1 | 0,95 |
| Amide | 1 | 1 | 0,95 |
| C n single bond | 1 | 1 | 0,9 |
Rangering afspejler akkumulerede litteraturbeviser, ikke en enkelt autoritativ regel. Bekræft altid mod din prøvekontekst.
Litteratur bag disse tildelinger
-
Amide tillid 0,95
“Explicit assignment: 'Amide I bands close to 1631 and 1696 are β-sheet ... indicative of secondary structure'”
Hepler 等 - 2018 - Spectroscopic analysis of chlamydial major outer m DOI: 10.1002/pro.3501 -
Carbonyl (C=O) tillid 0,9
“assigned to C=O stretching vibration”
Adam 等 - 2022 - Comparative Evaluation of Amlodipine Besylate Gene DOI: 10.14227/DT290422PGC2 -
C n single bond tillid 0,9
“Explicit assignment: 'absorption peak related to C-N'”
Gholinejad 等 - 2019 - Palladium Nanoparticles on a Creatine-Modified Ben DOI: 10.1002/cplu.201900377 -
Carbonyl (C=O) tillid 0,9
“Explicit assignment for DH-SA product.”
Somphon 和 Makatan - 2019 - Characterization of donepezil prepared by cogrindi DOI: 10.2306/scienceasia1513-1874.2019.45.028
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