What absorbs at 1323 cm⁻¹ in an FTIR spectrum?
A band near 1323 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 funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Carboxyl (COOH) | 2 | 1 | 0.9 |
| C n single bond | 1 | 1 | 0.95 |
| N h | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 0 | 0.9 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
-
C n single bond konfidens 0.95
“Explicit assignment in text.”
Lazar 等 - 2021 - Synthesis of Ethylenediaminetetraacetic Acid-Funct DOI: 10.37358/Mat.Plast.1964 -
konfidens 0.9
“Explicit assignment in text.”
Elhosiny Ali 等 - 2022 - Microstructure Study and LinearNonlinear Optical DOI: 10.3390/polym14091741 -
N h konfidens 0.9
“Text: 'Downward bands ... at around 1323-1345 cm-1 ... associated with C-N vibrational modes of amines'”
Martinez-Sanchez 等 - 2020 - Synthesis of Phosphorus-Containing Polyanilines by DOI: 10.3390/polym12051029 -
Carboxyl (COOH) konfidens 0.9
“symmetric stretching”
Melilli 等 - 2020 - DLP 3D Printing Meets Lignocellulosic Biopolymers DOI: 10.3390/polym12081655
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