What absorbs at 548 cm⁻¹ in an FTIR spectrum?
A band near 548 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 7 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 |
|---|---|---|---|
| Metal oxygen | 2 | 2 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 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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Hydroxyl (O-H) 置信度 1.0
“5 UV-Vis absorption spectra of GO cm(cid:2)1, whereas for rGO-Co 3O 4, the peaks of Co-O and Co548 cm(cid:2)1 along with the peaks of O-H, O appeared at 668 and 578”
Synthesis of Self-Assembled rGO-Co3O4 Nanoparticles in Nanorods Structure for Supercapacitor Application DOI: 10.1007/s11665-018-3361-3 -
Metal oxygen 置信度 1.0
“cm-1 (Ba 0.85Ca 0.15)TiO 544 even though some ions are different, the absorption peak in 3 cm-1 548 0 (Ba 0.80Ca 0.20)TiO cm-1 O-M the vicinity of 540 is assigned to the vibration of 3”
Jin 等 - 2009 - Investigation on FTIR spectra of barium calcium ti DOI: 10.1007/s10832-007-9402-1 -
Phosphate (PO4) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Enhancement of structural and optical properties of transparent sodium zinc phosphate glass–ceramics nano composite DOI: 10.1007/s41779-022-00716-3 -
C c single bond 置信度 1.0
“It was additionally seen that cm(cid:3)1 C-C the force of Raman band at 548.31 and 693.86 relates to the filler extending, due to the presence of nanoin the host sample.”
Effect of Al2O3 on structural and dielectric properties of PVP-CH3COONa based solid polymer electrolyte films for energy storage devices DOI: 10.1016/j.heliyon.2019.e02727 -
Metal oxygen 置信度 1.0
“It proved that there is no change of crystal structure on spinel Li cm-1 in the both samples are assigned to the Ti-O vibrations [6], while the vibration at strong bands at 548 and 636 cm-1 denotes Li-O vibration [7].”
Priyono 等 - 2016 - The Effect of 0.025 Al-doped in Li4Ti5O12 Material DOI: 10.1063/1.4941634 -
置信度 1.0
“(2008) and presence of quartz, shows a band at 548 m attributed to hematite Zuo et al., (1999).”
Benquerencia (La Serena - Spain) rock art: An integrated spectroscopy analysis with FTIR and Raman DOI: 10.1016/j.heliyon.2019.e02561 -
Water (H2O) 置信度 1.0
“Water Absorption Effect on the 548 Dynamic Properties of Nylon-6 by Dielectric Spectroscopy, Macromolecules, 36 549 (26), 9840-50.”
Sanchis 等 - 2017 - Molecular dynamics of carrageenan composites reinf DOI: 10.1016/j.carbpol.2017.08.012
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