What absorbs at 1418 cm⁻¹ in an FTIR spectrum?
A band near 1418 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
Moguće dodjele funkcionalnih skupina
| Funkcionalna skupina | Potporni dokazi | Citirani izvori | Najveća pouzdanost |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1,0 |
| Carboxyl (COOH) | 2 | 2 | 0,9 |
| C-O single bond | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 0,9 |
| Oxalate | 1 | 1 | 0,9 |
| Hydroxyl (O-H) | 1 | 1 | 0,8 |
| Carbonate | 1 | 1 | 0,8 |
Rangiranje odražava akumulirane literaturne dokaze, a ne jedno autoritativno pravilo. Uvijek provjerite u kontekstu vašeg uzorka.
Literatura iza ovih dodjela
-
C-O single bond pouzdanost 1,0
“explicit assignment in text”
Adiani 等 - 2020 - Microbial quality assessment of minimally processe DOI: 10.1038/s41598-020-62895-y -
Alkyl C-H pouzdanost 1,0
“Scissor vibration of δCH2.”
Stepanova 等 - 2023 - Composite Cement Materials Based on beta-Tricalciu DOI: 10.3390/polym15010210 -
Carboxyl (COOH) pouzdanost 0,9
“Explicitly stated as 'symmetric peaks at ... 1418 cm-1'”
Suzuki 等 - 2006 - Structural perturbation of the carboxylate ligands DOI: 10.1021/bi061232z -
Oxalate pouzdanost 0,9
“Inner-sphere oxalate species peak.”
Yoon 等 - 2004 - Adsorption of organic matter at mineralwater inte DOI: 10.1016/j.gca.2004.04.025 -
Acetate pouzdanost 0,9
“Explicit assignment in text.”
Guo 等 - 2018 - New understandings of ethanol oxidation reaction m DOI: 10.1016/j.apcatb.2017.10.037 -
Alkyl C-H pouzdanost 0,9
“Text: 'peaks at 1418 and 1326 are characteristic of the C-H deformation'”
Kudlek 等 - 2017 - TiO2 IMMOBILISED ON BIOPOLYMER NANOFIBERS FOR THE DOI: 10.1515/eces-2017-0028 -
Carboxyl (COOH) pouzdanost 0,8
“Peak at 1418 cm-1 assigned to COO- symmetric vibration.”
Boddapati 等 - 2020 - Structural analysis and antioxidative properties o DOI: 10.1016/j.procbio.2020.07.006 -
Carbonate pouzdanost 0,8
“splitting bands”
Zhu 等 - 2019 - Understanding the interfacial interactions of bioi DOI: 10.1016/j.carbpol.2019.115054
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