What absorbs at 586 cm⁻¹ in an FTIR spectrum?
A band near 586 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 8 cited sources
Snabbt svar
A band near 586 cm⁻¹ is usually interpreted by checking which functional groups repeatedly co-occur there in the literature, then confirming at least one or two additional peaks in the same sample. This page ranks those assignments by accumulated evidence rather than by a single fixed textbook rule.
Möjliga identifieringar av funktionella grupper
| Funktionell grupp | Stödjande fakta | Citerade källor | Högsta förtroende |
|---|---|---|---|
| Hydroxyl (O-H) | 2 | 2 | 1,0 |
| Metal oxygen | 2 | 2 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Metalloid oxygen | 1 | 1 | 1,0 |
| Nitro (NO2) | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
Rankingen speglar ackumulerade litteraturbevis, inte en enda auktoritativ regel. Bekräfta alltid mot din provkontext.
Möjliga material
| Material | Stödjande toppar | Överlappande grupper | Citerade källor |
|---|---|---|---|
| nanocomposite | 586, 2921, 3300 | Hydroxyl (O-H), Metal oxygen | 1 |
| biodiesel | 586, 858, 3470 | Hydroxyl (O-H) | 1 |
Material visas endast när samma litteraturpool stöder detta band och minst en ytterligare karakteristisk topp.
Spektrumlogik
This band becomes meaningful only when read with its neighboring peaks. In practice, analysts first look at the assignments above, then check whether the same sample also shows other peaks expected for the same structural motif. A lone band near 586 cm⁻¹ is usually not enough for material identification by itself.
Användning i verkligheten
Denna typ av fråga är vanlig inom polymeridentifiering, screening av okänd plast, felsökning av kvalitetskontroll, verifiering av återvunnet material och litteraturstödd toppidentifieringsgranskning.
Vanliga misstag
- Behandla ett isolerat band som bevis på ett material utan att kontrollera minst en eller två stödjande toppar.
- Ignorerar överlapp: flera funktionella grupper kan bidra nära samma vågtal.
- Hoppa över validering när tillsatser, blandningar, oxidation eller föroreningar kan förvränga spektrat.
Verifieringsråd
När oklarhet kvarstår, validera hypotesen med DSC, GC-MS eller TGA, särskilt för blandningar, nedbrutna prover och fyllda polymerer.
Litteratur bakom dessa identifieringar
-
Metal oxygen förtroende 1,0
“assumed that the carboxylic group ) present in aqueous peel cm(cid:0) 1 strong additional peak at 586 ascertained the stretching vibration extract that undergoes complex formation or chelation reaction with Fe-O Fe3O4-NPs (Prasad et al., 20”
Green synthesis of magnetite nanoparticles using Lathyrus sativus peel extract and evaluation of their catalytic activity DOI: 10.1016/j.clet.2021.100117 -
Metal oxygen förtroende 1,0
“LLM confirmed rule peak-group candidate”
Kiswanto 等 - 2018 - Effect of Zinc on Crystal Structure and Magnetic P DOI: 10.1088/1757-899X/367/1/012001 -
Phosphate (PO4) förtroende 1,0
“986.2 P-O-P asymmetric stretching bond 875.2 P-O-P asymmetric stretching bond 586.0 (H-O-) P=O bond (strong absorption) acid phosphates 521.9 (H-O-) P=O bond (strong absorption) acid phosphates cm-1 The strong absorptions at 577.1 and 527.7”
Growth and characterization of calcium hydrogen phosphate dihydrate crystals from single diffusion gel technique DOI: 10.1002/crat.200900700 -
förtroende 1,0
“The characteristic absorption bands between 586.25 and 450.3 cm-1 cm´1 450.3 are assigned to the vibration of the bond between the oxygen atom and the metal ions”
Biodiesel Production by Aspergillus niger Lipase Immobilized on Barium Ferrite Magnetic Nanoparticles DOI: 10.3390/bioengineering3020014 -
Hydroxyl (O-H) förtroende 1,0
“The peak at around 586 was assigned to the vibration of O-H out-of-plane bending [28].”
Discrimination of Syzygium samarangense cv. ‘Giant Green’ Leaves at Different Maturity Stages by FTIR and GCMS Fingerprinting DOI: 10.3390/horticulturae9050609 -
Nitro (NO2) förtroende 1,0
“Lastly, the peak appearing at 586 cm-1 indicates XRD and XPS data, our nanocomposite mostly possesses 2H MoS phase with low or no 2 the presence of Te-O stretching bond vibration [38].”
Synthesis of Molybdenum Sulfide/Tellurium Hetero-Composite by a Simple One-Pot Hydrothermal Technique for High-Performance Supercapacitor Electrode Material DOI: 10.3390/nano11092346 -
förtroende 1,0
“As shown in the FTIR of zinc-biochar nanocomposite after application for Cr(VI) adsorption, showing cm-1 cm-1 Figure 8, the peaks at 586 and 636 were observed only in the HBC/nZVI the hydroxyl groups formed on the biochar composite after ad”
Biochar Nanocomposite as an Inexpensive and Highly Efficient Carbonaceous Adsorbent for Hexavalent Chromium Removal DOI: 10.3390/ma15176055 -
Aromatic ring förtroende 1,0
“Moreover, the discussed aromatic ring modes ν(CO) CH2O, δ(CH), ν(CC) CH2-CH2/ρ w(CH 2) CH3, ν(OC) OCH2/ indicate contribution to the bands observed at 586ρ r(CH 2), ν(CC) CH2-CH2/ν(OC) OCH3, ρ r(OC 2H 4), and δ(CCO)/”
Piergies 等 - 2019 - Vibrational Fingerprint of Erlotinib FTIR, RS, an DOI: 10.1155/2019/9191328
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