What absorbs at 504 cm⁻¹ in an FTIR spectrum?
A band near 504 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 4 cited sources
Možná přiřazení funkčních skupin
| Funkční skupina | Podpůrná fakta | Citované zdroje | Nejvyšší spolehlivost |
|---|---|---|---|
| Metal oxygen | 3 | 3 | 1,0 |
| Hydroxyl (O-H) | 1 | 0 | 1,0 |
| Carboxyl (COOH) | 1 | 0 | 1,0 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
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spolehlivost 1,0
“While the characteristic peaks at 432 cm-1 Nc NC, which showed high concentration of Ni, O, Si, C, and 504 correspond to the vibration of Ni-O bond”
Efficient photodegradation of orange II dye by nickel oxide nanoparticles and nanoclay supported nickel oxide nanocomposite DOI: 10.1007/s13201-022-01647-x -
Metal oxygen spolehlivost 1,0
“The differently prepared ceramics presented a characteristic band al cm-1 around 504 that is consistent with the Ti-O vibration [20,37].”
Structural and radiation shielding properties of BaTiO3 ceramic with different concentrations of Bismuth and Ytterbium DOI: 10.1016/j.ceramint.2020.08.055 -
Metal oxygen spolehlivost 0,8
“Shoulder assigned to transverse optical stretching mode of ZnO.”
Kuthirummal 等 - 2016 - Synthesis and characterization of Ar-annealed zinc DOI: 10.1063/1.4964316 -
spolehlivost 0,8
“Assigned as internal mode in text.”
Nabiyev 等 - 2018 - Structural Studies of dielectric HDPE+ZrO2 polymer DOI: 10.1088/1742-6596/994/1/012011
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