What absorbs at 1453 cm⁻¹ in an FTIR spectrum?
A band near 1453 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
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 0,9 |
| Amine primary | 2 | 2 | 0,9 |
| C-O single bond | 1 | 1 | 0,9 |
| Ester | 1 | 1 | 0,8 |
| Carboxyl (COOH) | 1 | 1 | 0,8 |
Le classement reflète les preuves bibliographiques accumulées, et non une règle faisant autorité. Confirmez toujours dans le contexte de votre échantillon.
Bibliographie derrière ces attributions
-
C-O single bond confiance 0,9
“C-O stretching mode of carbonate.”
Boke 等 - 2004 - Quantification of CaCO3-CaSO3 center dot 0.5H(2)O- DOI: 10.1016/j.matlet.2003.07.008 -
Alkyl C-H confiance 0,9
“C-H bending of alkane group”
Ali 等 - 2023 - Characterization of plastic degrading bacteria iso DOI: 10.1016/j.sjbs.2023.103628 -
confiance 0,9
“Same assignment.”
Kumar 等 - 2022 - Flexible Temperature Sensor Utilizing MWCNT Doped DOI: 10.3390/mi13020197 -
Amine primary confiance 0,9
“presence of NH2”
Sharma 等 - 2016 - From Synthesis to Biological Impact of Pd (II) Com DOI: 10.1155/2016/4359375 -
Amine primary confiance 0,9
“Explicit assignment in text.”
Zhou 等 - 2016 - Biomaterials based on N,N,N-trimethyl chitosan fib DOI: 10.1016/j.ijbiomac.2015.07.037(2015 -
Alkyl C-H confiance 0,8
“Part of group (ii) assigned to bending modes”
Miyabe 等 - 2007 - Hydrogen quasi-chemically trapped between defectiv DOI: 10.4028/www.scientific.net/MSF.561-565.1585 -
Carboxyl (COOH) confiance 0,8
“Explicitly stated: 'vibrations of lipids, at 1,453 cm-1' and 'COO-'.”
Aksoy 等 - 2014 - Structural investigation of donor age effect on hu DOI: 10.1007/s11357-014-9691-7 -
Alkyl C-H confiance 0,8
“Explicit assignment: 'bands include and 1453 belonging to the CH2'”
Dumancas 等 - 2023 - Chemometrics for Quantitative Determination of Ter DOI: 10.1021/acs.jchemed.3c00358
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