What absorbs at 3346 cm⁻¹ in an FTIR spectrum?
A band near 3346 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 4 cited sources
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Hydroxyl (O-H) | 2 | 1 | 1.0 |
| N h | 2 | 0 | 1.0 |
| Alkyl C-H | 1 | 1 | 0.9 |
| Hydrogen bond | 1 | 1 | 0.9 |
| Water (H2O) | 1 | 1 | 0.8 |
Mae＇r safle＇n adlewyrchu tystiolaeth llenyddiaeth gronnwyd, nid rheol awdurdodol sengl. Cadarnhewch bob amser yn erbyn eich cyd-destun sampl.
Llenyddiaeth y tu ôl i＇r aseiniadau hyn
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Hydroxyl (O-H) hyder 0.9
“Explicit assignment: 'hydrogen bonds and free O-H stretching vibration at 3346'”
Tran 等 - 2018 - Radiation synthesis and characterization of super- DOI: 10.1016/j.envpol.2018.07.129 -
Alkyl C-H hyder 0.9
“Explicit assignment in text”
Kachel 等 - 2023 - Comparative Analysis of Vegetable and Mineral Oil- DOI: 10.3390/ma16144975 -
hyder 0.9
“Represents free N-H for pure PU.”
Velayutham 等 - 2012 - Theoretical and experimental approach on dielectri DOI: 10.1063/1.4749414 -
Water (H2O) hyder 0.8
“Indicates small amount of free water.”
Yuan 等 - 2017 - Time-dependent characterization of Na2CO3 activate DOI: 10.1016/j.cemconcomp.2017.09.005
Oes gennych sbectrwm gyda＇r band hwn?
Llwythwch eich sbectrwm FTIR i fyny a chael adroddiad dehongli llawn — aseiniadau brig gyda chyfeiriadau llenyddiaeth, cyfateb llyfrgell, a chadwyn dystiolaeth â gradd hyder — mewn eiliadau.
Dehongli fy sbectrwm