What absorbs at 1392 cm⁻¹ in an FTIR spectrum?
A band near 1392 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 |
|---|---|---|---|
| Carbonate | 2 | 2 | 1,0 |
| Carboxyl (COOH) | 2 | 2 | 1,0 |
| Fatty acid | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| N n bond | 1 | 1 | 1,0 |
| N-O bond | 1 | 1 | 1,0 |
| Carbohydrate | 1 | 1 | 1,0 |
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
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Carbohydrate confiance 1,0
“The vibration 1392 is assigned to C stretching of carbohydrates, fatty acids, or amino acid side chains.”
Fourier transform infrared microspectroscopy detects biochemical changes during C. elegans lifespan DOI: 10.1016/j.vibspec.2019.04.005 -
Carboxyl (COOH) confiance 1,0
“Sodium salicylate 1597cm-1 The peak at 1392 and are due to the s(-COOas(-COOν ν ) and ) vibrations (Fig.”
Das 等 - 2004 - Kinetics and adsorption behaviour of salicylate on DOI: 10.1016/j.colsurfa.2004.02.010 -
N-O bond confiance 1,0
“There cm-1, 235 is no signal can be seen on blank 4-ATP capped mHNTs-AgNPs at 1143 1392 cm-1 cm-1”
4-Aminothiophenol capped Halloysite Nanotubes/Silver Nanoparticles as Surface-enhanced Raman Scattering Probe for In-situ Derivatization and Selective Determination of Nitrite Ions in Meat Product DOI: 10.1016/j.talanta.2020.121366 -
Carboxyl (COOH) confiance 1,0
“The two intense bands at 1580 and 1392 cm-1 are attributed to asymmetric and symmetric stretching vibrations of terephthalate linker carboxylate groups, respectively”
Butova 等 - 2023 - In Situ FTIR Spectroscopy for Scanning Accessible DOI: 10.3390/nano13101675 -
Amide confiance 1,0
“LLM confirmed rule peak-group candidate”
Development of novel spectroscopic and machine learning methods for the measurement of periodic changes in COVID-19 antibody level DOI: 10.1016/j.measurement.2022.111258 -
Carbonate confiance 1,0
“Carbonates (calcareous soils) show (see Figure 7) strong absorption bands near 1400 Forbothcoins,wecanobservethepresenceofthetypicalpeakofkaolinite(Al 2(OH) 4Si 2O 5) and 870 cm-1, and we can observe a peak for coin 566 at 1392 cm-1 due to”
From Collection or Archaeological Finds? A Non-Destructive Analytical Approach to Distinguish between Two Sets of Bronze Coins of the Roman Empire DOI: 10.3390/molecules28052382 -
Carbonate confiance 1,0
“The main band assigned to the carbonate ions (1392 cm-1) appeared in the same spectral vibration region of acetate, which has three characteristic bands: at 1550, 1410, and 1345 cm-1 [8, 65].”
An FTIR study of the electrooxidation of C2 and C3 alcohols on carbon-supported PdxRhy in alkaline medium DOI: 10.1002/celc.202200205 -
Alkyl C-H confiance 1,0
“After checking the conditions for application cm-1 (COO- (methylene bending) and 1392 stretching) (normality and variance homogeneity), the Student's test has originate from both proteins and lipids.”
Ober 等 - 2021 - Thermal and vibrational biomarkers of porcine oral DOI: 10.1007/s10973-020-09655-2
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