What absorbs at 1569 cm⁻¹ in an FTIR spectrum?
A band near 1569 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
Mögulegar úthlutun virkra hópa
| Virkur hópur | Stuðningsstaðreyndir | Tilvitnuð heimildir | Mesta öryggi |
|---|---|---|---|
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Nitrogen heterocycle | 1 | 1 | 1,0 |
| Sulfur heterocycle | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 0 | 1,0 |
| Ring structure | 1 | 0 | 1,0 |
Röðun endurspeglar uppsöfnuð ritrýnisgögn, ekki eina valdboðsreglu. Staðfestu alltaf í samhengi við sýnið þitt.
Ritlist á bak við þessar úthlutanir
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Sulfur heterocycle öryggi 1,0
“LLM confirmed rule peak-group candidate”
Sehgal 和 Narula - 2015 - Structural, morphological, optical, and electrical DOI: 10.1007/s00396-015-3663-z -
Nitrogen heterocycle öryggi 1,0
“Comparing the two spectrums, the main difference cm-1 was the existence of a band at 1569 in PP4, reflecting the stretching of the triazine ring.”
The Effects of a Macromolecular Charring Agent with Gas Phase and Condense Phase Synergistic Flame Retardant Capability on the Properties of PP/IFR Composites DOI: 10.3390/ma11010111 -
Hydroxyl (O-H) öryggi 1,0
“1739cm-1 1635cm-1 (C=O stretching vibration), (OH bending of methylene groups), spectra for all components were then overlapped for a better visualization of bands 1569cm-1 cm-1(C=C), 1454cm-1 cm- (C-H bending), 1538 (C=C), 1423 absorbed wa”
Iordache 等 - 2018 - FT-IR ANALYSIS OF FUSARIUM OXYSPORUM GROWN MYCO-CO DOI: 10.24264/icams-2018.VIII.8
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