What absorbs at 2117 cm⁻¹ in an FTIR spectrum?
A band near 2117 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 2 cited sources
Penetapan kumpulan berfungsi yang mungkin
| Kumpulan berfungsi | Fakta sokongan | Sumber dipetik | Keyakinan tertinggi |
|---|---|---|---|
| Methoxy (OCH3) | 1 | 1 | 1.0 |
| Methacrylate | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Acetate | 1 | 1 | 1.0 |
| C#c | 1 | 1 | 1.0 |
Pemeringkatan mencerminkan bukti literatur terkumpul, bukan satu peraturan berwibawa. Sentiasa sahkan terhadap konteks sampel anda.
Literatur di sebalik penetapan ini
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C#c keyakinan 1.0
“Finally, A cm-1 our Raman spectrum of PDCDA showed peaks at 2117 and 713 which are assigned to A backbone.41b C≡C stretching and bending modes, respectively, of the polymer These peaks u”
Gatebe 等 - 2008 - Synthesis and Characterization of Polydiacetylene DOI: 10.1021/la801948z. -
Acetate keyakinan 1.0
“Besides, the peak at 2117 cm-1 is attributed to the C-O vibration on Pd+ [10,27].”
Zhang 等 - 2019 - Investigation of Various Pd Species in PdBEA for DOI: 10.3390/catal9030247
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