What absorbs at 509 cm⁻¹ in an FTIR spectrum?
A band near 509 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
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 | 3 | 3 | 1.0 |
| Siloxane (Si-O-Si) | 2 | 2 | 1.0 |
| Silicon-oxygen (Si-O) | 2 | 2 | 1.0 |
| Silicon (Si) | 2 | 2 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| S s | 1 | 1 | 1.0 |
| Thiol | 1 | 1 | 1.0 |
| C-O single bond | 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
-
C-O single bond 置信度 1.0
“Finally, the weak peak at about be due, respectively, to the overlapping of symmetrical cm-1 C\\O\\C Ti\\O\\Ti 509 stretching and asymmetrical stretching vibration of alkyl may be assigned to the stretching of skeletal of ethers adsorbed on”
Clabel 等 - 2020 - Organo-mineral associations in a Spodosol from nor DOI: 10.1016/j.geodrs.2020.e00303 -
Thiol 置信度 1.0
“The existence of a peak at 2573 cm-' assigned to SH stretching mode and the lack of a synergistic peak at 509”
Vibrational Spectroscopic Studies on the Disulfide Formation and Secondary Conformational Changes of Captopril–HSA Mixture after UV-B Irradiation DOI: 10.1562/2005-04-25-RN-497 -
Alkyl C-H 置信度 1.0
“4) show transtail in the longer wavelengths, which may be due to the size cm-1 (C-H mittance peaks at 509.12 distribution of the particles (Ahmad et al.”
Roni 等 - 2013 - Evaluation of leaf aqueous extract and synthesized DOI: 10.1007/s00436-012-3220-3 -
Silicon (Si) 置信度 1.0
“and the bands at 786.03 682.05 and 509.46 cm-1 represent Si-O Quartz, Si-O-Si bending, and Fe-O Fe 2O Si-O-Al stretch-”
Foliar Application of Nanoclay Promotes Potato (Solanum tuberosum L.) Growth and Induces Systemic Resistance against Potato Virus Y DOI: 10.3390/v14102151 -
置信度 1.0
“Notably, prominent vibrations at 516, 510, and 509 cm-1 correspond to Fe-”
Morales-Mendoza 等 - 2023 - Effect of Micro-Nanobubbles on Arsenic Removal by DOI: 10.3390/jof9080857 -
Silicon (Si) 置信度 1.0
“In addition, in the spectrum, the bending vibrations attributed to Si-O-Si [31cm-1, cm-1, cm-1, cm-1, 33,39-46] located at 455 cm-1, 509 cm-1, 778 cm-1, and 800 cm-1, are observed.”
Structural and Surface Changes of SiO2 Flint Aggregates under Thermal Treatment for Potential Valorization DOI: 10.3390/cryst13040647 -
Metal oxygen 置信度 1.0
“At last, the new band appearing at 509 is attributed to M-O stretching vibration, which is absent in ligand spectra [18].”
Wang 等 - 2009 - Synthesis, Crystal Structure, and Kinetics of the DOI: 10.3390/molecules14072582 -
Metal oxygen 置信度 0.7
“Band at 509 cm-1 assigned as M-O”
Kiswanto 等 - 2018 - Effect of Zinc on Crystal Structure and Magnetic P DOI: 10.1088/1757-899X/367/1/012001
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