What absorbs at 582 cm⁻¹ in an FTIR spectrum?

Quick answer

A band near 582 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.

可能性のある官能基アサイン

ランキングは蓄積された文献証拠を反映しており、単一の権威あるルールではありません。常にサンプルのコンテキストと照合して確認してください。

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 582 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.

これらのアサインの根拠となる文献

• 信頼度 1.0

  “The peak at 582.2 cm is attributed to the Fe-O bond 4”

  ENHANCEMENT OF THERMAL IMAGING BY IRON OXIDE NANOPARTICLE – PRELIMINARY STUDY DOI: 10.1016/j.bcab.2018.12.005
• Amide 信頼度 1.0

  “The FTIR peaks at 1,678 and 1,582 cm-1 were attributed to amide I and amide II of pNIPAm which was also present in CS spectra.”

  Qureshi 等 - 2015 - Ethyl acetate Salix alba leaves extract-loaded chi DOI: 10.1080/09205063.2015.1100843
• 信頼度 1.0

  “The energy band gap of the NPs was observed toexistintherangeof2.95to3.39eVuponvaryingtheconcentrationofSr2+dopant.Thebroadpeaksat437cm-1and582cm-1 correspond to octahedral (B-) metal stretching (Ni-O) and tetrahedral (A-) metal stretching”

  Effect of Sr2+ Ion–Substituted Nickel Ferrite Nanoparticles Prepared by a Simple Microwave Combustion Method DOI: 10.1007/s10948-020-05777-8
• Phosphate (PO4) 信頼度 1.0

  “Vibrations at 582 593 and 606 are attributed to PO cm-1, the υ4 (PO43-) at 570 and 602 cm-1, υ1 (PO43-) at 962 cm-1, and υ3 (PO43-) at 1051 and 4 vibrations (asymmetric O-P-O bending mode) [46,49-51].”

  Gavinho 等 - 2023 - An Eco-Friendly Process to Extract Hydroxyapatite DOI: 10.3390/jfb14050279
• S eq o 信頼度 1.0

  “capacity Moreover, there is an enlarged band with a slight change at 582 cm-1 in the composite 55 removal beads, indicating the sulfonic acid group, due to the combination of the bands at 633 and”

  Potential Application of Innovative Aspergillus terreus/ Sodium Alginate Composite Beads as Eco-Friendly and Sustainable Adsorbents for Alizarin Red S Dye: Isotherms and Kinetics Models DOI: 10.3390/microorganisms11051135
• 信頼度 1.0

  “cm-1 The bands at 582 may be ascribed to the Zn-O bond [20].”

  Toteva 等 - 2021 - Pollutants Sorbent Made of Cotton Fabric Modified DOI: 10.3390/ma14123242
• C-O single bond 信頼度 0.9

  “explicit assignment”

  Barzic 等 - 2022 - Cellulose derivativebarium titanate composites wi DOI: 10.21203/rs.3.rs-467926/v1
• 信頼度 0.7

  “Pairwise indexed to stretching vibrations.”

  Nguyen 等 - 2019 - A Facile Synthesis, Characterization, and Photocat DOI: 10.1155/2019/3428681