What absorbs at 1227 cm⁻¹ in an FTIR spectrum?
A band near 1227 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 6 cited sources
Moguće dodjele funkcionalnih skupina
| Funkcionalna skupina | Potporni dokazi | Citirani izvori | Najveća pouzdanost |
|---|---|---|---|
| C c single bond | 1 | 1 | 0,9 |
| Oxygen heterocycle | 1 | 1 | 0,7 |
| C-O single bond | 1 | 1 | 0,7 |
| Carboxyl (COOH) | 1 | 1 | 0,7 |
| Carbonyl (C=O) | 1 | 1 | 0,7 |
Rangiranje odražava akumulirane literaturne dokaze, a ne jedno autoritativno pravilo. Uvijek provjerite u kontekstu vašeg uzorka.
Literatura iza ovih dodjela
-
pouzdanost 0,9
“Part of triplet signature peaks of PC.”
Banerjee 等 - 2014 - Thin film encapsulation of nano composites of poly DOI: 10.1039/c4ra10183a -
C c single bond pouzdanost 0,9
“Explicit assignment: asymmetric stretching of C-C bonds connecting the carbonyl.”
Lopes 等 - 2008 - Low temperature IR spectroscopy and photochemistry DOI: 10.1016/j.jphotochem.2008.07.005 -
pouzdanost 0,9
“Explicit assignment in text.”
Trejo-Machin 等 - 2021 - Synthesis of Novel Benzoxazines Containing Sulfur DOI: 10.3390/polym13081262 -
Carbonyl (C=O) pouzdanost 0,7
“assigned to OAC carbonyl stretching”
Konduri 等 - 2011 - Effect of Pro-Oxidants on Biodegradation of Polyet DOI: 10.1002/app.33517 -
pouzdanost 0,7
“Part of shoulder assignment.”
Lopes 等 - 2011 - Photochemistry and Vibrational Spectra of Matrix-I DOI: 10.1021/jp110705c -
Oxygen heterocycle pouzdanost 0,7
“Peaks related to epoxide groups on GO”
Mei 等 - 2015 - Synthesis of double-clickable functionalised graph DOI: 10.1039/c5cc05412e
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