What absorbs at 458 cm⁻¹ in an FTIR spectrum?
A band near 458 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
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Lignin | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| C-S single bond | 1 | 1 | 1.0 |
| Metal oxygen | 1 | 1 | 1.0 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
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置信度 1.0
“peaks at 458.5 and 464.8 eV, which correspond to and Published 10b.110 Ti, respectively in Fig.”
Photocatalytic and bactericidal properties and molecular docking analysis of TiO2 nanoparticles conjugated with Zr for environmental remediation DOI: 10.1039/d0ra05862a -
Metal oxygen 置信度 1.0
“The significant band at 458 absorption peaks by using Tauc relation [18, 19] which is a is the characteristic absorption band of Zn-O stretching (αhυ)2 (cm-1 eV)2.”
Manikandan 等 - 2018 - Properties of sol gel synthesized ZnO nanoparticle DOI: 10.1007/s10854-018-8981-8 -
置信度 1.0
“Figure 6d shows the peaks of 458.5 eV and 464.2 eV, which correspond to Ti 2p3/2 and Ti”
Photocatalytic activity of ZrO2/TiO2/Fe3O4 ternary nanocomposite for the degradation of naproxen: characterization and optimization using response surface methodology DOI: 10.1038/s41598-022-14676-y -
C-S single bond 置信度 1.0
“small band at 458 Generally, the spectra show that, as the C/S ratio increases, the broad cm-1 band at around 940 not only becomes narrower but also shifts to higher wave numbers,”
Colovic 等 - 2013 - Creating of Highly Active Calcium-Silicate Phases DOI: 10.2298/SOS1303341C -
C c single bond 置信度 1.0
“Two more bands at 500.76 cm-1 and 458.22 cm-1 were assigned to the C-C bond and C-N bond finding is well aligned to the previous study by Anas et al.”
Fauzi 等 - 2020 - Nanostructured ChitosanMaghemite Composites Thin DOI: 10.3390/polym12071497 -
Lignin 置信度 1.0
“about 420 with a peak at 458 This high-temperature shoulder can be assigned to the end of an overlapping degradation process of lignin.”
Jambrekovic 等 - 2022 - Viscoelastic and Thermal Properties of Styrene Mod DOI: 10.3390/polym14040786
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