What absorbs at 1109 cm⁻¹ in an FTIR spectrum?
A band near 1109 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 |
|---|---|---|---|
| C-O single bond | 3 | 3 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 0.9 |
| Carbohydrate | 1 | 1 | 0.9 |
| C n single bond | 1 | 1 | 0.9 |
| Silicon silicon | 1 | 1 | 0.9 |
| Nitrogen heterocycle | 1 | 1 | 0.8 |
| Acetate | 1 | 1 | 0.8 |
| Silicon (Si) | 1 | 0 | 0.7 |
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
“Explicit assignment in text.”
Inam 等 - 2018 - Preparation and Characterization of Novel Pharmace DOI: 10.3390/cryst8090336 -
Silicon silicon 置信度 0.9
“Text: 'bands centered around ... 1109 were noted ... correspond to the Si-Si bond'.”
Masenya 等 - 2021 - Ion beam induced modification and nanostructures f DOI: 10.1016/j.nimb.2021.01.018 -
C n single bond 置信度 0.9
“Explicit assignment in text.”
Alghamdi 等 - 2021 - Effects of various media on micellization, adsorpt DOI: 10.1098/rsos.211527 -
置信度 0.9
“Explicit assignment: 'absorbing peaks appear at 1109 ... which indicates that the main pyrolysates ... are all cyclic carbonates.'”
Chen 等 - 2018 - Study on Thermal Decomposition Behaviors of Terpol DOI: 10.3390/ijms19123723 -
Carbohydrate 置信度 0.9
“Explicitly assigned to glucose region.”
Ramalingam 等 - 2014 - Evaluation of metformin hydrochloride in Wistar ra DOI: 10.4103/0976-9668.136168 -
C-O single bond 置信度 0.9
“Explicit assignment: 1,109 cm-1 [stretching -C-O].”
Srivastava 和 Semwal - 2015 - A study on monitoring of frying performance and ox DOI: 10.1007/s13197-013-1078-8 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment: loss of band at 1109 responsible for stretching vibrations of hydroxyl group.”
Worzakowska - 2014 - Thermal properties of citronellyl diesters DOI: 10.1007/s10973-014-3945-6 -
置信度 0.8
“attributed to presence of complex and acetate ions”
Wankhede 和 Haram - 2003 - Synthesis and characterization of Cd-DMSO complex DOI: 10.1021/cm020761w
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