What absorbs at 3393 cm⁻¹ in an FTIR spectrum?
A band near 3393 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 5 cited sources
Mahdolliset funktionaalisten ryhmien määritykset
| Funktionaalinen ryhmä | Tukevat tosiasiat | Viitatut lähteet | Korkein luottamus |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 3 | 1,0 |
| Hydrogen bond | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
Sijoitus kuvastaa kertyneitä kirjallisuustodisteita, ei yhtä auktoritatiivista sääntöä. Varmista aina suhteessa näytteesi asiayhteyteen.
Näiden määritysten taustalla oleva kirjallisuus
-
Hydroxyl (O-H) luottamus 1,0
“The main cm-1 an OH band at 3393 for natural F-bearing clinohumite.”
In-situ high-temperature vibrational spectra for synthetic and natural clinohumite: Implications for dense hydrous magnesium silicates in subduction zones DOI: 10.2138/am-2019-6604 -
Alkyl C-H luottamus 1,0
“The Fourier transform infrared spectroscopy (FT-IR) analysis measures the selective absorption of light by the vibration modes of specific chemical bonds in the sample determining several functional groups such as OHcm-1), hydroxyl and amid”
Koutb 等 - 2021 - Paclitaxel production by endophytic fungus, Neopes DOI: 10.30955/gnj.003839 -
Hydroxyl (O-H) luottamus 1,0
“LLM confirmed rule peak-group candidate”
Facile Synthesis of Magnetic Nigella Sativa Seeds: Advances on Nano-Formulation Approaches for Delivering Antioxidants and Their Antifungal Activity against Candida albicans DOI: 10.3390/pharmaceutics15020642 -
Hydroxyl (O-H) luottamus 1,0
“Wavenumber Peak assignment cm-1 hydroperoxide, alcohol and acid O-H stretch ~3393 cm-1 alkyl CH-CH C-H stretch 2919 2”
Morsch 等 - 2017 - Investigating the Photocatalytic Degradation of Oi DOI: 10.1021/acsami.7b00638 -
Hydrogen bond luottamus 1,0
“However, the stretching shift of piroxicam C in conjunction with these RDF 7 cm-1 calculations indicate that the hydrogen bond between the vibration of piroxicam at 3393 or 3339 was not observed”
Tantishaiyakul 等 - 2010 - Characterization of Cimetidine-Piroxicam Coprecipi DOI: 10.1208/s12249-010-9461-5
Onko sinulla spektri tällä vyöhykkeellä?
Lataa FTIR-spektrisi ja saat täydellisen tulkintaraportin — huippumääritykset kirjallisuusviitteineen, kirjastosumitukset ja luottamusluokitellun todisteketjun — sekunneissa.
Tulkitse spektrini