What absorbs at 3366 cm⁻¹ in an FTIR spectrum?
A band near 3366 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
Možne dodelitve funkcionalnih skupin
| Funkcionalna skupina | Podporna dejstva | Citirani viri | Najvišje zaupanje |
|---|---|---|---|
| Hydroxyl (O-H) | 6 | 6 | 1,0 |
| Hydrogen bond | 2 | 2 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| Silanol (Si-OH) | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 0,7 |
| Alkene (C=C) | 1 | 1 | 0,7 |
Razvrstitev odraža zbrane literaturne dokaze, ne enega avtoritativnega pravila. Vedno preverite glede na kontekst vašega vzorca.
Literatura za temi dodelitvami
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Hydrogen bond zaupanje 1,0
“Hydroxyl stretching vibrations at 3286 was a result of new hydrogen bonding between cellulose and starch molecules and peaks at 3366 and cm-1 1702 were attributed to glycerol and sorbitol, respectively in the Fourier Transform Infrared (FT-”
Cellulose‐reinforced starch biocomposite: optimization of the effects of filler and various plasticizers using Design‐Expert method DOI: 10.1002/star.202000028. -
Hydroxyl (O-H) zaupanje 1,0
“4: FTIR pattern of coal cm-1 In Fig.4, the coal FTIR revealed intense broad band located at 3366 which is attributed to - OH stretching from water or phenol group.”
Optimization of primary sewage sludge and coal lignite by microwave assisted pyrolysis for the production of bio oil DOI: 10.1080/09593330.2020.1797903 -
Hydrogen bond zaupanje 1,0
“Moreover, a new broad peak centered at 3365.8 could be seen in Fe 3O 4/SiO 2-CUR NC due to intermolecular hydrogen bonding between isolated silanol and enolic hydroxyl groups.”
Treatment of breast cancer in vivo by dual photodynamic and photothermal approaches with the aid of curcumin photosensitizer and magnetic nanoparticles DOI: 10.1038/s41598-020-78241-1 -
Hydroxyl (O-H) zaupanje 1,0
“The CNC shows a broad peak at cm-1, 3366 which are related to the O-H stretching vibration.”
Swelling Behavior of Polyacrylamide–Cellulose Nanocrystal Hydrogels: Swelling Kinetics, Temperature, and pH Effects DOI: 10.3390/ma12132080 -
zaupanje 1,0
“MG treated with strain ESPS40 showed cm-1 cm-1 narrowing of peak at 3366 and 1651 refer to O-H, C=C and C-O-C stretching vibrations, cm-1 cm-1 respectively (Huang et al.”
Kumar 等 - 2023 - Dye degradation by early colonizing marine bacteri DOI: 10.21203/rs.3.rs-2008353/v1 -
zaupanje 1,0
“A strong band cm-1 at 3366 presents the stretching of N-H and O-H and the intramolecular hydrogen cm-1 bonds.”
Influence of the Impregnation Technique on the Release of Esomeprazole from Various Bioaerogels DOI: 10.3390/polym13111882 -
Hydroxyl (O-H) zaupanje 1,0
“The spectral peaks at 3366 correspond to min(cid:3)1 (cid:4)C (cid:4)C (cid:4)C 25 and 900 with a heating rate of 10 (using cm(cid:3)1 -OH functional groups.”
Kinetics, equilibrium, statistical surface modeling and cost analysis of paraquat removal from aqueous solution using carbonated jujube seed DOI: 10.1039/c8ra09337g -
Hydroxyl (O-H) zaupanje 0,8
“Peak in OH stretching region.”
Iannarelli 和 Rossi - 2014 - H2O and HCl trace gas kinetics on crystalline HCl DOI: 10.5194/acp-14-5183-2014
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