What absorbs at 573 cm⁻¹ in an FTIR spectrum?
Una banda cerca de 573 cm⁻¹ puede apuntar a varios grupos funcionales. A continuación se muestran las asignaciones más probables, clasificadas por cuánta evidencia publicada respalda cada una — cada una trazable a literatura (DOI) y validada de forma cruzada con nuestros más de 130,000 espectros de referencia y grafo de conocimiento.
Backed by 8 cited sources
Quick answer
A band near 573 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.
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Metal oxygen | 4 | 4 | 1,0 |
| Aromatic ring | 2 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| C n single bond | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| Hydrogen bond | 1 | 1 | 0,9 |
La clasificación refleja la evidencia acumulada de la literatura, no una única regla autorizada. Siempre confirme según el contexto de su muestra.
Possible materials
| Material | Supporting peaks | Overlapping groups | Fuentes citadas |
|---|---|---|---|
| zinc oxide | 573, 1627, 1638 | Metal oxygen | 1 |
| ZnO | 573, 1400, 3430 | Metal oxygen | 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 573 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.
Literatura detrás de estas asignaciones
-
Acetate confianza 1,0
“1560cm(cid:1)1 can be ascribed to the The bands at 1405 and C-O symmetric and asymmetric stretching vibrations in the s<573K films T [37].”
Dobrozhan 等 - 2015 - Substructural investigations, Raman, and FTIR spec DOI: 10.1002/pssa.201532324 -
Aromatic ring confianza 1,0
“The primary luminescence peaks are at 22 573 cm-1, and 20 408 respectively, with additional resolved structure from both phenyl ring and ethynyl vibrations.”
Emmert 等 - 2003 - The excited-state symmetry characteristics of plat DOI: 10.1021/jp036309x -
Metal oxygen confianza 1,0
“LLM confirmed rule peak-group candidate”
Fei 等 - 2014 - Effect of Temperature on Structural and Optical Pr DOI: 10.4028/www.scientific.net/KEM.591.293 -
confianza 1,0
“2(a)) absorption bands at 573, 1020, attributed for stretching vibration of tetrahedral group, lepidocrocite formation and nitrogen from unconsumed reagent form”
Synthesis of nanocrystalline nickel⠍zinc ferrite (Ni0.8Zn0.2Fe2O4) thin films by chemical bath deposition method DOI: 10.1016/j.jallcom.2010.12.079 -
Metal oxygen confianza 1,0
“cm-1 cm-1 and 865 confirm that the structural compositional is peaks observed near 573 Nb O symmetric stretching behavior.”
Reddy 等 - 2013 - Electrical and Pyroelectric Measurements on Charge DOI: 10.1080/00150193.2013.821927 -
Metal oxygen confianza 1,0
“The band at 953 is assigned to the W O stretching vibration in the octahedral cm-1 cm-1 tungsten peroxide species in UiO-67-WO(O 2) 2, and the bands centered at 573 and 531 are cm-1 attribute to the asymmetric and symmetric stretching vibra”
Transition Metal Oxodiperoxo Complex Modified Metal-Organic Frameworks as Catalysts for the Selective Oxidation of Cyclohexane DOI: 10.3390/ma13040829 -
Metal oxygen confianza 1,0
“It is obvious that the characteristic band of Fe-O at 572.95 cm 1 absorbance was measured at 570 nm in a microplate reader (Synergy).”
Synthesis and characterization of magnetite nanoparticles by co-precipitation method coated with biocompatible compounds and evaluation of in-vitro cytotoxicity DOI: 10.1016/j.toxrep.2021.01.012 -
Amide confianza 1,0
“8 of 17 cm-1 at 932 and 679 were associated with the stretching and bending vibrations of the C-C connections, the C-C connections, and the group at 573 cm-1 may be attributed to the O=C-N flexion [42].”
Physicochemical Studies on the Surface of Polyamide 6.6 Fabrics Functionalized by DBD Plasmas Operated at Atmospheric and Sub-Atmospheric Pressures DOI: 10.3390/polym12092128
¿Tiene un espectro con esta banda?
Cargue su espectro FTIR y obtenga un informe de interpretación completo — asignaciones de picos con citas bibliográficas, coincidencias de librerías y una cadena de evidencia con calificación de confianza — en segundos.