What absorbs at 425 cm⁻¹ in an FTIR spectrum?
A band near 425 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
Possibili assegnazioni di gruppi funzionali
| Gruppo funzionale | Fatti di supporto | Fonti citate | Affidabilità massima |
|---|---|---|---|
| Metal oxygen | 6 | 6 | 1,0 |
| Silicon-oxygen (Si-O) | 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 |
La classifica riflette le prove bibliografiche accumulate, non una singola regola autorevole. Conferma sempre nel contesto del tuo campione.
Letteratura dietro queste assegnazioni
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Acetate affidabilità 1,0
“5 we have reinvestigate the infrared spectrum of the gaseous assigned to Mn C O bending vibrations and band observed at 425cm-1 sample of these compounds which are known to be pure, so that 416, 418, belong to Mn C axial stretching vibratio”
Mahmood 等 - 2006 - Comparative vapour phase FTIR spectra and vibratio DOI: 10.1016/j.saa.2005.11.024 -
affidabilità 1,0
“A sharp band C was observed at 425 which confirmed the zinc-oxygen stretching mode [30].”
Pai 等 - 2019 - Photocatalytic zinc oxide nanoparticles synthesis DOI: 10.1016/j.ijleo.2019.03.101 -
affidabilità 1,0
“The band cm-1 cm-1 at 425 and 557 indicates the Fe-O bonds of magnetite nanoparticles which are similar to cm-1”
Yadav 等 - 2020 - Synthesis and Characterization of Amorphous Iron O DOI: 10.3390/nano10081551 -
Metal oxygen affidabilità 1,0
“Moreover, the Ti-O stretching vibration is Transmittance seen at a wave number of around 425 cm-1 [30].”
Fluoride Evaporation of Low-Fluoride CaF2-CaO-Al2O3-MgO-TiO2-(Na2O-K2O) Slag for Electroslag Remelting DOI: 10.3390/ma16072777 -
Amide affidabilità 1,0
“(cm-1) Wavenumber Band assignment β - 1688 (shoulder) Amide I sheets protein A α - A27 1654 (shoulder) Amide I helix protein β - IgG425,37 1634 (main peak) Amide I sheets - IgG427 1545 (main peak) Amide II unordered”
Beattie 等 - 2021 - Insight into purification of monoclonal antibodies DOI: 10.1039/d1an00985k -
Metal oxygen affidabilità 1,0
“Stretching vibration of La-O 430 Stretching vibration of Ce-O 440 Stretching vibration of Sm-O 458 b Stretching vibration of Er-O 425 Stretching vibration of Yb-O 430 c”
Investigation of Structural, Physical, and Attenuation Parameters of Glass: TeO2-Bi2O3-B2O3-TiO2-RE2O3 (RE: La, Ce, Sm, Er, and Yb), and Applications Thereof DOI: 10.3390/ma15155393 -
affidabilità 1,0
“At the low wavenumbers, the bands at 425 and 564 can be ascribed to the presence of Mg-O and Al-O bonds related to the LDH structure [25,26].”
Karami 等 - 2020 - Kinetics of Cross-Linking Reaction of Epoxy Resin DOI: 10.3390/polym12051157 -
affidabilità 1,0
“This observation was attributed to 425 the stretching vibrations of Si-O [53, 54] due to the formation of C-(A)-S-H gel.”
Ruan 等 - 2020 - Improvement of the performance and microstructural DOI: 10.1016/j.conbuildmat.2020.120017)
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