What absorbs at 756 cm⁻¹ in an FTIR spectrum?
A band near 756 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 | 0.9 |
| Alkyl C-H | 2 | 2 | 0.9 |
| Chlorine | 1 | 1 | 0.9 |
| Aromatic ring | 1 | 1 | 0.8 |
| Siloxane (Si-O-Si) | 1 | 0 | 0.9 |
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
-
Alkyl C-H 置信度 0.9
“Stretching and deformation of C-H, assigned to crystalline phase”
Gupta 等 - 2018 - Effects of Amphiphilic Chitosan on Stereocomplexat DOI: 10.1038/s41598-018-22281-1 -
Chlorine 置信度 0.9
“C-Cl.”
Hegde 等 - 2018 - Synthesis and Antimicrobial Screening of Pyrimidin DOI: 10.5012/jkcs.2018.62.2.87 -
Metal oxygen 置信度 0.9
“Stretching vibrations of titanium dioxide”
Mpelane 等 - 2020 - Application of Novel C-TiO2-CFAPAN Photocatalytic DOI: 10.3390/catal10080909 -
Metal oxygen 置信度 0.9
“Sharp and intense band at 756 cm-1 indicating Zn-O vibration.”
Sha 等 - 2022 - A realistic perspective for CO2 triggered tuning o DOI: 10.1039/d2ra05511b -
Aromatic ring 置信度 0.8
“Snippet: 'absorption pattern at 756, 768 and 833 represents the aromatic C-H group that are associated with typical mono-substituted benzene ring'.”
Ahmad 等 - 2020 - Green Synthesis and Characterization of Zinc Oxide DOI: 10.3390/biom10030425 -
Alkyl C-H 置信度 0.8
“Peak at 756 cm-1 assigned to out-plane vibration of C-H.”
Li 等 - 2020 - The Synthesis of Polymeric Nanospheres and the App DOI: 10.3389/fchem.2020.00247 -
置信度 0.8
“Band derived from chloroform mentioned.”
Oleszko 等 - 2015 - Application of FTIR-ATR Spectroscopy to Determine DOI: 10.1155/2015/245607
是否有此波段的光谱？
上传您的FTIR光谱，几秒钟内即可获得完整的解读报告——包含带文献引用的峰分配、库匹配和带有置信度评级的证据链。
解读我的光谱