What absorbs at 3260 cm⁻¹ in an FTIR spectrum?
A band near 3260 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
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Hydroxyl (O-H) | 5 | 5 | 0.9 |
| N h | 3 | 3 | 0.8 |
| Carbohydrate | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| Amide | 1 | 0 | 0.9 |
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
“Broad band at 3260 cm-1 assigned to O-H stretching vibration.”
Castiglioni 等 - 2019 - Morphological, Physicochemical and FTIR Spectrosco DOI: 10.3390/molecules24213974 -
Carboxyl (COOH) hyder 0.9
“Explicit assignment: 'broad band at 3260 is assigned to O-H stretching in the COOH group'”
Deyab 等 - 2022 - Theoretical, chemical, and electrochemical studies DOI: 10.1038/s41598-022-06215-6 -
Hydroxyl (O-H) hyder 0.9
“Text: 'characteristics peak of the Hydrochlorothiazide ... observed at hydroxyl group (OH stretch-)' and '3260.11cm-1'”
Giri 等 - 2019 - Hydrochlorothiazide Nanocrystals Stabilization by DOI: 10.5530/ijper.53.3.81 -
Carbohydrate hyder 0.9
“Text states 'Peaks at 3636.01 and 3259.55 are due to polysaccharides'.”
Noureen 等 - 2022 - Prunus armeniaca Gum-Alginate Polymeric Microspher DOI: 10.3390/pharmaceutics14050916 -
Hydroxyl (O-H) hyder 0.9
“Sharp band at 3260 cm-1 represents -OH stretching.”
Palayangoda 和 Nguyen - 2015 - THERMAL BEHAVIOR OF RAW OIL SHALE AND ITS COMPONEN DOI: 10.3176/oil.2015.2.06 -
N h hyder 0.8
“stretching vibration bond”
Khashan 和 Abbas - 2016 - Characterization of InN nanoparticles prepared by DOI: 10.1142/S0217979216500806 -
Hydroxyl (O-H) hyder 0.8
“Text: 'cm-1 cm-1 (O-H N-H), showed the peak at 3260'”
Hu 等 - 2019 - Mycosynthesis, characterization, anticancer and an DOI: 10.2147/IJN.S200817 -
Hydroxyl (O-H) hyder 0.7
“Major stretching frequency observed at 3260 cm-1, typically O-H.”
Ansari 等 - 2022 - Green Synthesis of TiO2 Nanoparticles Using Acorus DOI: 10.3390/catal12020181
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