What absorbs at 1113 cm⁻¹ in an FTIR spectrum?
A band near 1113 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 |
|---|---|---|---|
| C-O single bond | 2 | 2 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1.0 |
| Perchlorate | 1 | 1 | 0.9 |
| Alkene (C=C) | 1 | 1 | 0.9 |
| Nitrogen heterocycle | 1 | 1 | 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
-
C-O single bond 置信度 1.0
“The signature peak of host polymer PEO near 1113 cm-1 is attributed to C-O-C symmetric stretching mode concerning ether oxygen of PEO and provides direct evidence of complexion regarding band shifting on addition of salt.”
Arya 等 - 2018 - Effect of variation of different nanofillers on st DOI: 10.1007/s11581-016-1784) -
Silicon-oxygen (Si-O) 置信度 1.0
“Stretching”
Caccamo 等 - 2020 - Self-Assembly Processes in Hydrated Montmorillonit DOI: 10.3390/ma13051100 -
置信度 1.0
“Text: 'bands at wavenumbers 1113 and 1023 are assigned to the Si-O in-plane stretching vibration'”
Jeziorska 等 - 2023 - Morphology and Selected Properties of Modified Pot DOI: 10.3390/polym15071762 -
C-O single bond 置信度 0.9
“Explicit assignment: strong C-O stretch (1092.93 & 1113.28).”
Chinnathambi 等 - 2021 - Biosynthesis of TiO2 nanoparticles by Acalypha ind DOI: 10.1007/s13204-021-01761-3 -
Nitrogen heterocycle 置信度 0.9
“Negative band at 1113-1114 cm-1 assigned to stretching mode of imidazole ring.”
Noguchi 等 - 1999 - Structure of a histidine ligand in the photosynthe DOI: 10.1021/bi990631 -
Alkene (C=C) 置信度 0.9
“Text: 'of C=C at 1113cm-1'”
Wang 等 - 2015 - Bilayer graphite-oxide anode for organic light-emi DOI: 10.7567/JJAP.54.042101 -
Perchlorate 置信度 0.9
“Peak at 1113 cm-1 assigned to ClO4-.”
Ak 等 - 2008 - Synthesis, characterization and optoelectrochemica DOI: 10.1016/j.jelechem.2008.04.015
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