What absorbs at 652 cm⁻¹ in an FTIR spectrum?
A band near 652 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 5 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 |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1.0 |
| Protein alpha helix | 1 | 1 | 1.0 |
| N h | 1 | 1 | 1.0 |
| Silicon hydride | 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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Silicon hydride 置信度 1.0
“cm-1correspondings 1043 1175 The band at 652 to Si-H wagging or cmrocking mode matched with previous research groups [27]while the strong band at 780-800 1corresponds to Si-C stretching mode [27,28].”
Swain - 2022 - Process Dependent Strain Behaviour, Fractal Analys DOI: 10.21203/rs.3.rs-374154/v1 -
Alkyl C-H 置信度 1.0
“LLM confirmed rule peak-group candidate”
Evaluation of therapeutic potential of the silver/silver chloride nanoparticles synthesized with the aqueous leaf extract of Rumex acetosa DOI: 10.1038/s41598-017-11853-2 -
Protein alpha helix 置信度 1.0
“(2006), the o m 1,652cm-1 α-helical peak at was found to correspond to”
Lilienthal 等 - 2015 - Changes in the protein secondary structure of hen' DOI: 10.3382/ps/peu051 -
Silicon-oxygen (Si-O) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Madadi 和 Wei - 2022 - Characterization of Calcium Silicate Hydrate Gels DOI: 10.3390/gels8020075 -
Alkyl C-H 置信度 1.0
“The peaks between 652corresponds to C-H stretching vibrations specific cm-1 685 corresponds to the vibration absorption of to CH and CH from lipids, metoxy derivatives,”
Spectroscopic investigation and chemical fingerprint of Datura innoxia dry biomass DOI: 10.5802/crchim.169
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