What absorbs at 586 cm⁻¹ in an FTIR spectrum?

Quick answer

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.

可能的官能团归属

排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。

Possible materials

Materials are shown only when the same literature pool supports this band and at least one additional characteristic peak.

Spectrum logic

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.

Real-world usage

This type of query is common in polymer identification, unknown plastic screening, QC troubleshooting, recycled-material verification, and literature-backed peak assignment review.

Common mistakes

• Treating one isolated band as proof of a material without checking at least one or two supporting peaks.
• Ignoring overlap: multiple functional groups can contribute near the same wavenumber.
• Skipping validation when additives, blends, oxidation, or contamination may distort the spectrum.

Verification advice

When ambiguity remains, validate the hypothesis with DSC, GC-MS, or TGA, especially for blends, degraded samples, and filled polymers.

这些分配背后的文献

• Metal oxygen 置信度 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 置信度 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) 置信度 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
• 置信度 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) 置信度 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) 置信度 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
• 置信度 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 置信度 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