What absorbs at 1604 cm⁻¹ in an FTIR spectrum?
A band near 1604 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 8 cited sources
Caktime të mundshme të grupeve funksionale
| Grup funksional | Fakte mbështetëse | Burimet e cituara | Besueshmëri e lartë |
|---|---|---|---|
| Aromatic ring | 3 | 3 | 0,95 |
| Carbonyl (C=O) | 3 | 2 | 0,9 |
| Carboxyl (COOH) | 2 | 2 | 0,9 |
| C=n | 1 | 1 | 1,0 |
| Alkene (C=C) | 1 | 1 | 0,9 |
| Lignin | 1 | 1 | 0,9 |
| Amide | 1 | 1 | 0,9 |
| C-O single bond | 1 | 1 | 0,7 |
Renditja pasqyron provat e grumbulluara të literaturës, jo një rregull të vetëm autoritar. Gjithmonë konfirmoni në kontekstin e mostrës suaj.
Literatura pas këtyre caktimeve
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C=n besueshmëri 1,0
“stretching at 1604 cm-1 represents C=N (imine) group”
Yusoff 等 - 2018 - Theoretical and Experimental Approach Towards P-Cy DOI: 10.1088/1757-899X/374/1/012086 -
Aromatic ring besueshmëri 0,95
“Attributed to aromatic ring stretching.”
Wang 等 - 2022 - Dentin collagen denaturation status assessed by co DOI: 10.1016/j.dental.2022.04.020. -
Amide besueshmëri 0,9
“Amide characteristic band.”
El-Atawy 等 - 2022 - Chitosan Capped Copper Oxide Nanocomposite Effici DOI: 10.3390/catal12090964 -
besueshmëri 0,9
“Text: 'Peaks at wave number 1604 and 1456 indicated the vibration of the primary NH and the stretching vibration of C=C derived from aromatic ring'”
Hidayat 等 - 2016 - Enzymatic Synthesis of Bio-Surfactant Fructose Ole DOI: 10.1016/j.aaspro.2016.02.150 -
Lignin besueshmëri 0,9
“Text: 'bands at 1604 and 1630 mainly derived from lignin and free and esterified p-coumaric and ferulic acids'”
Wang 和 Ren - 2009 - Surface deterioration of moso bamboo (Phyllostachy DOI: 10.1007/s10086-008-0994-0 -
Carboxyl (COOH) besueshmëri 0,9
“COO- vibrational frequency at 1604 assigned to chain group forming intermolecular NH3+.”
Ye 等 - 2007 - Intermolecular hydrogen bonds formed between amino DOI: 10.1088/1674-0068/20/04/461-467 -
besueshmëri 0,9
“Text lists peaks 'peaked at 1604, 1579, 1317, 1263 and 1164' as most prominent for MBA.”
Augugliaro 等 - 2009 - Home-prepared anatase, rutile, and brookite TiO2 f DOI: 10.1039/b818353h -
besueshmëri 0,9
“Associated with PA components”
Hass 等 - 2021 - Methacrylate-functionalized proanthocyanidins as n DOI: 10.1016/j.dental.2021.04.006.
Keni një spektër me këtë brez?
Ngarkoni spektrin tuaj FTIR dhe merrni një raport të plotë interpretimi — caktim i pikut me citime literaturë, përputhje biblioteke dhe një zinxhir provash të vlerësuar me besueshmëri — në sekonda.
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