What absorbs at 1379 cm⁻¹ in an FTIR spectrum?
A band near 1379 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 | 4 | 4 | 0,95 |
| Methyl | 3 | 3 | 1,0 |
| C-O single bond | 2 | 2 | 0,9 |
| C c single bond | 1 | 1 | 0,9 |
| C n single bond | 1 | 1 | 0,9 |
| Alkene (C=C) | 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
-
Methyl confiance 1,0
“Intense peak confirmed terminal methyl group.”
Narayanan 等 - 2022 - A Novel Insight Into the Fabrication of Polyhydrox DOI: 10.21203/rs.3.rs-924055/v1 -
Alkyl C-H confiance 0,95
“Explicit assignment: deformation vibrations of CH bonds, peaks at 1459 and 1379 belong to CH2 and CH3 groups.”
Sejkorova 等 - 2020 - FTIR Spectrometry with PLS Regression for Rapid TB DOI: 10.3390/en13236438 -
Alkyl C-H confiance 0,9
“Explicit assignment: 'bands at 2905 and 1379 are related to -CH'.”
Cheng 等 - 2018 - A new approach to improve mechanical properties an DOI: 10.1016/j.conbuildmat.2018.05.134 -
confiance 0,9
“Explicit assignment: '1,379.0 may correspond to aromatic amines ... indicating C-N stretching'”
Dey 和 Chaudhuri - 2016 - Immunomodulatory activity of Nerium indicum throug DOI: 10.1007/s10616-014-9826-9 -
C c single bond confiance 0,9
“Explicit assignment from text.”
Korani 等 - 2021 - Evaluation of Antimicrobial and Wound Healing Effe DOI: 10.1155/2021/7019130 -
C-O single bond confiance 0,9
“visible peak at 1379cm-1 is due to presence of C-O group”
Sumathi 等 - 2014 - Production of Prodigiosin Using Tannery Fleshing a DOI: 10.1155/2014/290327 -
Alkene (C=C) confiance 0,8
“Listed in same sentence as 1462 and 1281 cm-1, all assigned to same group.”
Sateesh Reddy 等 - 2021 - Monitoring of Chemical Markers in Extraction of Tr DOI: 10.1093/jaoacint/qsab025 -
confiance 0,8
“Text: 'Two strong peaks located at ... 1379cm-1 can be ascribed to vibrations like those of wurtzite BN'”
Wang 等 - 2010 - Synthesis of Boron Nitride Nanotubes by Self-Propa DOI: 10.1155/2010/540456
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