What absorbs at 2353 cm⁻¹ in an FTIR spectrum?
A band near 2353 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
Possibili assegnazioni di gruppi funzionali
| Gruppo funzionale | Fatti di supporto | Fonti citate | Affidabilità massima |
|---|---|---|---|
| Methacrylate | 2 | 2 | 1,0 |
| Ketone | 2 | 2 | 1,0 |
| Ester | 2 | 2 | 1,0 |
| Carboxyl (COOH) | 2 | 2 | 1,0 |
| Carbonyl (C=O) | 2 | 2 | 1,0 |
| Amide | 2 | 2 | 1,0 |
| Acetate | 2 | 2 | 1,0 |
| Carbon dioxide | 2 | 2 | 1,0 |
| Protein | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
| C=n | 1 | 1 | 1,0 |
| Alkene (C=C) | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
La classifica riflette le prove bibliografiche accumulate, non una singola regola autorevole. Conferma sempre nel contesto del tuo campione.
Letteratura dietro queste assegnazioni
-
Hydroxyl (O-H) affidabilità 1,0
“50.01 TOTAL 100.00 100.00 associated with O-H bending vibrations of H 2O cm-1 [8].The small band located near 2353”
Saini 等 - 2013 - Structural and Optical Properties of ZnO Nanoparti DOI: 10.1063/1.4810170 -
Alkene (C=C) affidabilità 1,0
“Slightly smallyer peaks at 2038 and 2353 cm-1 refer to C=C=N and O=C=O stretching, respectively.”
Kumar 等 - 2023 - Dye degradation by early colonizing marine bacteri DOI: 10.21203/rs.3.rs-2008353/v1 -
Carbon dioxide affidabilità 1,0
“The peaks around the 2353 may be due to 2 Fig.13(a, b) shows the 30 % micro and nano filled SIR, the absorbed carbon dioxide on SIR surface [12].”
Loganathan 和 Chandrasekar - 2013 - Analysis of Surface Tracking of Micro and Nano Siz DOI: 10.5370/JEET.2013.8.2.345 -
Water (H2O) affidabilità 1,0
“The water cm-1, band was assigned to 2353 and all the added metal ions were assigned to bands in the region cm-1.”
Sensitivity and Calibration of the FT-IR Spectroscopy on Concentration of Heavy Metal Ions in River and Borehole Water Sources DOI: 10.3390/app10217785 -
Alkyl C-H affidabilità 1,0
“Other smaller bond vibration peaks including 2925.48 which denotes the C-H cm-1 stretching vibration, 2352.73, 1630.52 and 1445.39 are due to the presence of primary and secondary amines that are characteristics of proteins/enzymes and C-O”
Selim 等 - 2020 - Green Synthesis of Zinc Oxide Nanoparticles Using DOI: 10.1038/s41598-020-60541-1 -
Carbon dioxide affidabilità 1,0
“Stretching E 2352.994 O=C=O Stretching F”
Untargeted Metabolomics Analysis Using FTIR and UHPLC-Q-Orbitrap HRMS of Two Curculigo Species and Evaluation of Their Antioxidant and -Glucosidase Inhibitory Activities DOI: 10.3390/metabo11010042
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