What absorbs at 413 cm⁻¹ in an FTIR spectrum?

Quick answer

A band near 413 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

Rankingen speglar ackumulerade litteraturbevis, inte en enda auktoritativ regel. Bekräfta alltid mot din provkontext.

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 413 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.

Litteratur bakom dessa identifieringar

• Metal oxygen förtroende 1,0

  “[37] observed characteristic peaks of Cr-O bond stretching vibration at cm-1 413, 443, 566 and 621 for Cr 2O nanostructure.”

  Tuning the morphology of Cr2O3:CuO (50:50) thin films by RF magnetron sputtering for room temperature sensing application DOI: 10.1016/j.apsusc.2018.10.096
• Hydroxyl (O-H) förtroende 1,0

  “cm-1 A weak band near of 413 ascribed to out-of-plane OH liberations [23].”

  Souissi 等 - 2022 - Synthesis, Thermal Properties and Electrical Condu DOI: 10.21203/rs.3.rs-1294285/v1
• Sulfonate förtroende 1,0

  “The peaks for SO3 bending and rocking were obtained at 537 cm-1 and 413 cm-1, 3 cm-1, 413 respectively [16].”

  Anis 等 - 2023 - Studies on Polybenzimidazole and Methanesulfonate DOI: 10.3390/polym15132821
• Metal oxygen förtroende 1,0

  “In the fingerprint region, a strong peak ν(N-H) ν(C-H) cm-1 is due to the presence of overlapped and positioned at 750 ν(M-O) vibrations.23 cm-1 A band ascribed to the stretching vibration at 413 verified the coordination of the water molec”

  Radovanovic 等 - 2023 - Structure and properties of ZnOZnMn2O4 composite DOI: 10.2298/JSC221102090R
• Amide förtroende 1,0

  “(a and b) the absorption band at 1245 1546 and 1661 was attributed in 412 to the presence of amide-III (C-N and N-H stretching), amide-II (N-H bending), and Amide-I 413 (C=O stretching) functional groups in gelatin and chickpea protein stru”

  Rasul 等 - 2022 - Development of antimicrobialantioxidant nanocompo DOI: 10.21203/rs.3.rs-337479/v1
• Phosphate (PO4) förtroende 1,0

  “The curve fitting process applied to the  3 1(PO 4) band started by subtracting the 411 protein bands in the IR spectra of all the studied samples in order to avoid erroneous 412 calculations due to the contribution of protein bands that”

  Teresa Domenech-Carbo 等 - 2016 - Analytical study of waterlogged ivory from the Baj DOI: 10.1016/j.microc.2015.12.022
• Carboxyl (COOH) förtroende 0,9

  “Same as above.”

  Effect of magnesium incorporation in zinc oxide films for optical waveguide applications DOI: 10.1016/j.physb.2009.12.050
• Metal oxygen förtroende 0,9

  “Assigned to m-ZrO2 νZr-O mode”

  Acidity-Reactivity Relationships in Catalytic Esterification over Ammonium Sulfate-Derived Sulfated Zirconia DOI: 10.3390/catal7070204