What absorbs at 525 cm⁻¹ in an FTIR spectrum?
A band near 525 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 6 cited sources
Possibili assegnazioni di gruppi funzionali
| Gruppo funzionale | Fatti di supporto | Fonti citate | Affidabilità massima |
|---|---|---|---|
| Metal oxygen | 3 | 3 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Phosphorus | 1 | 0 | 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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Metal oxygen affidabilità 1,0
“BiO octahedral structure possesses 6 M cm-1 peaks at 525 and 450 due to the bending vibration of Bi-O.”
Francis 等 - 2016 - Optical nonlinearity in multiferroic bismuth ferri DOI: 10.1016/j.jallcom.2016.07.094 -
Metal oxygen affidabilità 1,0
“Wave number cm-1 The peak at 525 should be a stretching of Cu-O, which”
Padil 和 Cernik - 2013 - Green synthesis of copper oxide nanoparticles usin DOI: 10.2147/IJN.S40599 -
affidabilità 1,0
“One possible explanation for the appearance of the band at 525 cm-l could be due to the incorporation of Al atoms into the CON building units, leading to”
Park 等 - 2020 - Insight into the crystallization mechanism of the DOI: 10.1016/j.micromeso.2020.110213 -
Carboxyl (COOH) affidabilità 1,0
“All three samples show a desorption peak with maximum at around 525 K, as in the case of the AlPO sample, that would correspond to weak acid sites, and an additional desorption peak at higher temperature (with maximum at around 625 K), whic”
Alvaro-Munoz 等 - 2013 - Effect of silicon content on the catalytic behavio DOI: 10.1016/j.cattod.2013.04.031 -
affidabilità 1,0
“The main reduction peak at 490 K may be related to the direct reduction of extra-framework octahedral (Cu(II) whereas the reduction peak at 525 K may be related to the reduction of copper oxides occurring in zeolite pores in line with earli”
High activity of mononuclear copper present in the framework of CuSiBEA zeolites in the selective catalytic reduction of NO with NH3 DOI: 10.1016/j.micromeso.2015.11.065 -
Metal oxygen affidabilità 1,0
“and, for HNTs, 525 cm-1 (Al-O) and 470 cm-1 When the temperature reaches 400 C, the characteristic peak at 3435 is weakened, which shows”
Research on the Flame Retardancy Properties and Mechanism of Modified Asphalt with Halloysite Nanotubes and Conventional Flame Retardant DOI: 10.3390/ma13204509
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