What absorbs at 3451 cm⁻¹ in an FTIR spectrum?
A band near 3451 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) | 4 | 4 | 1.0 |
| N h | 2 | 1 | 1.0 |
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 1.0
“Text: 'characteristic of O-H hydrogen bonds or N-H stretching bonds of primary amines'.”
Wypij 等 - 2022 - Novel Antibacterial, Cytotoxic and Catalytic Activ DOI: 10.4014/jmb.2205.05006 -
Hydroxyl (O-H) hyder 0.95
“Explicit assignment in text: 'broadband at about 3451 is delegated the hydroxyl group (OH) stretching vibration'”
Abdelghany 等 - 2023 - Experimental and DFT studies on the structural and DOI: 10.1007/s00289-023-04700-0 -
Hydroxyl (O-H) hyder 0.9
“Explicit assignment in text”
Abd Rahman 等 - 2014 - UV-Curable Acrylated Coating From Epoxidized Palm DOI: 10.1063/1.4895237 -
Hydroxyl (O-H) hyder 0.9
“Representing the -OH species”
Mahmoud 等 - 2022 - Synthesis and electrochemical performance of alpha DOI: 10.1038/s41598-022-21186-4
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