What absorbs at 3214 cm⁻¹ in an FTIR spectrum?
A band near 3214 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 3 cited sources
Võimalikud funktsionaalrühmade määramised
| Funktsionaalrühm | Toetavad faktid | Tsiteeritud allikad | Kõrgeim usaldusväärsus |
|---|---|---|---|
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| C n single bond | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| N h | 1 | 1 | 0,95 |
Reiting kajastab kogunenud kirjanduslikke tõendeid, mitte ühte autoriteetset reeglit. Kinnitage alati oma proovi kontekstis.
Nende määramiste taga olev kirjandus
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Amide usaldusväärsus 1,0
“Peak at 1291 which also confirms the self-doped structure of the copolycm-1 indicate C N stretching and C H and at 3214 mer as proposed in reaction 1.”
Dey Sadhu 等 - 2020 - Preparation and characterization of polyanilinea DOI: 10.1002/pc.25738 -
Hydroxyl (O-H) usaldusväärsus 1,0
“LLM confirmed rule peak-group candidate”
High effectiveness of pure polydopamine in extraction of uranium and plutonium from groundwater and seawater DOI: 10.1039/c9ra06392g -
N h usaldusväärsus 0,95
“Explicit assignment in text: 'characteristic peak at 3214 cm-1 corresponding to -NH'”
Synthesis of novel Schiff bases containing arylpyrimidines as promising antibacterial agents DOI: 10.1016/j.heliyon.2019.e02318
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