What absorbs at 592 cm⁻¹ in an FTIR spectrum?

Quick answer

A band near 592 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.

Possible functional-group assignments

Ranking reflects accumulated literature evidence, not a single authoritative rule. Always confirm against your sample context.

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 592 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.

Literature behind these assignments

• Metal oxygen confidence 1.0

  “LLM confirmed rule peak-group candidate”

  Fatma 等 - 2018 - Desorption and Re-Adsorption of Procion Red MX-5B DOI: 10.22146/ijc.23927
• confidence 1.0

  “It shows two strong characteristic absorption 723.67eV correspond to Fe 2p1/2, these peaks can be attributed to bands at 592 cm-1 and 442 cm-1.”

  Structural and magnetic properties of Gd-Zn substituted M-type Ba-Sr hexaferrites by sol-gel auto-combustion method DOI: 10.1016/j.jallcom.2019.06.348
• Silicon (Si) confidence 1.0

  “The first set of lines observed at 435, 455, 499, 524 and 592cm-1 4.2 Crystal structure description may be assigned to the bending Si-O vibration.”

  Kaneva 等 - 2020 - Crystal chemistry of fluorcarletonite, a new miner DOI: 10.5194/ejm-32-137-2020
• Metal oxygen confidence 1.0

  “cm-1, cm-1 The identified Cu-O peak locations were at 592, 607, and 665 cm-1, whereas 453 cm-1 was identified Cu-O peak locations were at 592, 607, and 665 whereas 453 was The identified Cu-O peak locations were at 592, 607, and 665 cm-1, w”

  Novel Copper Oxide Bio-Nanocrystals to Target Outer Membrane Lectin of Vancomycin-Resistant Enterococcus faecium (VREfm): In Silico, Bioavailability, Antimicrobial, and Anticancer Potential DOI: 10.3390/molecules27227957
• Hydroxyl (O-H) confidence 1.0

  “1c) - again suggesting that the higher592 frequency O-H bands are related to F incorporation.”

  Coupled hydrogen and fluorine incorporation in garnet: New constraints from FTIR, ERDA, SIMS, and EPMA DOI: 10.2138/am-2021-7880
• Alkyl C-H confidence 1.0

  “The band at 592 cm-1 is mainly due to aliphatic -CH2 and alkanes -CH3 [39,51].”

  Xu 等 - 2019 - New Perspective on Wood Thermal Modification Rele DOI: 10.3390/polym11071145