What absorbs at 413 cm⁻¹ in an FTIR spectrum?
A band near 413 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
Possible functional-group assignments
| Functional group | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| Metal oxygen | 3 | 3 | 1.0 |
| Carboxyl (COOH) | 2 | 2 | 1.0 |
| Protein | 1 | 1 | 1.0 |
| Phosphorus | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 1.0 |
| Methacrylate | 1 | 1 | 1.0 |
| Ketone | 1 | 1 | 1.0 |
| Ester | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Acetate | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Sulfonate | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
Ranking reflects accumulated literature evidence, not a single authoritative rule. Always confirm against your sample context.
Literature behind these assignments
-
Metal oxygen confidence 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) confidence 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 confidence 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 confidence 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 confidence 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) confidence 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) confidence 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 confidence 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
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