What absorbs at 771 cm⁻¹ in an FTIR spectrum?
A band near 771 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 4 cited sources
Mögliche Funktionsgruppenzuweisungen
| Funktionelle Gruppe | Unterstützende Fakten | Zitierte Quellen | Höchstes Vertrauen |
|---|---|---|---|
| Chlorine | 2 | 2 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Adsorbed carbon monoxide | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
Das Ranking spiegelt die gesammelte Literatur Evidenz wider, nicht eine einzelne maßgebliche Regel. Bestätigen Sie immer anhand Ihres Probenkontexts.
Literatur hinter diesen Zuweisungen
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Vertrauen 1,0
“The major peaks recorded in the pure DFX sample were attributed to the cm-1), cm-1), functional groups: -O-H stretching (3433 carboxylic -C=O stretching (1638 cm-1) cm-1), C-F stretching (1061 and C-Cl stretching (771 which confirms the pur”
Delafloxacin-Capped Gold Nanoparticles (DFX-AuNPs): An Effective Antibacterial Nano-Formulation of Fluoroquinolone Antibiotic DOI: 10.3390/ma15165709 -
Vertrauen 1,0
“790 Si-O-Sistretching 771 C-Hout-of-plane 558 Si-O-Si”
Investigation of Hybrid Films Based on Fluorinated Silica Materials Prepared by Sol–Gel Processing DOI: 10.3390/coatings12101595 -
Adsorbed carbon monoxide Vertrauen 1,0
“cm-1, bands of carbon dioxide at 2317 and 3728 cm-1, the rotovibrational band due to CO deformation at bands of carbon dioxide at 2317 and 3728 the rotovibrational band due to CO deformation at 2 2 cm-1, cm-1), 771 the rotovibrational band”
Thermocatalytic Pyrolysis of Exhausted Arthrospira platensis Biomass after Protein or Lipid Recovery DOI: 10.3390/en13205246 -
Alkyl C-H Vertrauen 1,0
“848 C-H stretching 771 Stretching of the -OH group 3353 N-H stretching & O-H stretching”
Zhuang 等 - 2020 - Observation of Potential Contaminants in Processed DOI: 10.3390/app10124345
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