What absorbs at 2072 cm⁻¹ in an FTIR spectrum?
A band near 2072 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
Võimalikud funktsionaalrühmade määramised
| Funktsionaalrühm | Toetavad faktid | Tsiteeritud allikad | Kõrgeim usaldusväärsus |
|---|---|---|---|
| Nitrile | 2 | 1 | 1,0 |
| Alkene (C=C) | 1 | 1 | 1,0 |
| C#c | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| Ketone | 1 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
Reiting kajastab kogunenud kirjanduslikke tõendeid, mitte ühte autoriteetset reeglit. Kinnitage alati oma proovi kontekstis.
Nende määramiste taga olev kirjandus
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Nitrile usaldusväärsus 1,0
“The vibrations 0123456 mightbeduetophenoliccompoundspresentinthesolution.39 Size distribution intensity cm-1 The small peak at 2071.8 corresponds to the stretching C≡N vibrations of the compounds containing bonds.”
Qamar 等 - 2020 - Green Synthesis, Characterization and Antimicrobia DOI: 10.2147/IJN.S240232 -
Acetate usaldusväärsus 1,0
“The peak revealed at 2072 was due to the cm-1 C=O outstretched terminal alkyne groups.”
Different Pyrolysis Process Conditions of South Asian Waste Coconut Shell and Characterization of Gas, Bio-Char, and Bio-Oil DOI: 10.3390/en13081970
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