What absorbs at 580 cm⁻¹ in an FTIR spectrum?
A band near 580 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
Quick answer
A band near 580 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
| Functional group | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| Metal oxygen | 12 | 12 | 1.0 |
| Silicon-oxygen (Si-O) | 3 | 3 | 1.0 |
| Siloxane (Si-O-Si) | 3 | 3 | 1.0 |
| Phosphate (PO4) | 3 | 2 | 1.0 |
| Silicon (Si) | 2 | 2 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Hydrogen bond | 1 | 1 | 1.0 |
| Silanol (Si-OH) | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
Ranking reflects accumulated literature evidence, not a single fixed rule. Always confirm against your sample context.
Possible materials
| Material | Supporting peaks | Overlapping groups | Cited sources |
|---|---|---|---|
| ZnO | 580, 1400, 3430 | Metal oxygen | 1 |
| SiO | 580, 800, 1745 | Silicon-oxygen (Si-O), Siloxane (Si-O-Si) | 1 |
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 580 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
-
confidence 1.0
“The infrared spectra of cm(cid:2)1 characteristic absorption bands at 580 shows Ag-O bond, silver nitrate and zirconium butoxide are shown in Figure 5A.”
Ayanwale 等 - 2020 - Bactericidal Activity Study of ZrO2-Ag2O Nanoparti DOI: 10.1177/1559325820941374 -
confidence 1.0
“sample.13 for the hydrogen doped single peak at 580 same reactions by hydrogen molecules can only be accomtemperatures.7 This indicates that H doping may relax the Ti-O bonds and plished at elevated the crystal lattice.”
Dai 等 - 2003 - Ambient-temperature incorporated hydrogen in Nb S DOI: 10.1063/1.1574842 -
Metal oxygen confidence 1.0
“cm-1 The peak at 580 is attributed to a metal oxide bond.”
Sensitization of ZnO nanoparticle by vitamin B12: Investigation of microstructure, FTIR and optical properties DOI: 10.1016/j.materresbull.2016.07.029 -
Metal oxygen confidence 1.0
“The presence of Fe-O and Fe-OH were indicated cm-1 by peaks at 580, 548, 477 [20].”
Enhanced arsenic (iii) adsorption from aqueous solution by magnetic pine cone biomass DOI: 10.1016/j.matchemphys.2018.09.067 -
Metal oxygen confidence 1.0
“The hexaferrite site ranges from 580cm-1 440cm-1and to this bands assign toBa-O and Fe-O bonds [Wang and Yang, 2019].”
Equilibrium synthesis and magnetic properties of BaFe12O19 /NiFe2O4nanocomposite prepared by co precipitation method DOI: 10.1016/j.jksus.2019.12.019 -
Metal oxygen confidence 1.0
“LLM confirmed rule peak-group candidate”
Influence of different complexing agents on structural, morphological, and magnetic properties of Mg–Co ferrites synthesized by sol–gel auto-combustion method DOI: 10.1007/s10854-021-05711-1 -
confidence 1.0
“The assignment of bands at 420 cm-1, 580 cm-1 and 650 cm-1 to the stretching vibrations of Zr-O bonds is more probable due to the progressive crystallization of different forms of zirconia in these samples, which agrees with the X-ray analy”
Adamczyk - 2022 - The Study of the Influence of ZrO2 Precursor Type DOI: 10.3390/gels8110724 -
Carbohydrate confidence 1.0
“A well-defined band around 580 indicated the skeletal modes of the pyranose ring.”
Antobelli Basilio-Cortes 等 - 2019 - Effect of Dual Modification on the Spectroscopic, DOI: 10.3390/polym11020333
Have a spectrum with this band?
Upload your FTIR spectrum and get a full interpretation report — peak assignments with literature citations, library matches, and a literature-backed analysis — in seconds.