What absorbs at 1432 cm⁻¹ in an FTIR spectrum?
A band near 1432 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 |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 0.95 |
| Aromatic ring | 2 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0.9 |
| Metal oxygen | 1 | 1 | 0.9 |
| Methoxy (OCH3) | 1 | 1 | 0.9 |
| Ammonium | 1 | 1 | 0.8 |
| Phosphate (PO4) | 1 | 1 | 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
-
Aromatic ring 置信度 1.0
“Explicit assignment: 'aromatic skeletal vibrations peak at 1432'”
Jiang XiaoXiang 等 - 2011 - Structure properties of pyrolytic lignin extracted DOI: 10.1007/s11434-011-4465-4 -
置信度 1.0
“Explicit assignment in text.”
Khoshnam 等 - 2021 - alpha-Fe2O3graphene oxide powder and thin film na DOI: 10.1038/s41598-021-99849-x -
Alkyl C-H 置信度 0.95
“explicit assignment”
Panghal 等 - 2014 - Dissolution Improvement of Atorvastatin Calcium us DOI: 10.3797/scipharm.1301-23 -
Methoxy (OCH3) 置信度 0.9
“Text: 'band 1431.77 presented methoxyl-O-CH3, which belongs to one of the lignin's components'.”
Najeeb 等 - 2020 - Characterization of silane treated Malaysian Yanke DOI: 10.1016/j.jmrt.2020.01.058 -
Alkyl C-H 置信度 0.9
“Explicit assignment in text”
Sathish 等 - 2013 - Nano Composite PVA-TiO2 Thin Films for OTFTs DOI: 10.4028/www.scientific.net/AMR.678.335 -
Metal oxygen 置信度 0.9
“Asymmetric stretching of Al-O/Si-O bonds.”
Siyal 等 - 2014 - Effect of NaOH and Water Contents on Solidificatio DOI: 10.4028/www.scientific.net/AMM.625.3 -
Carboxyl (COOH) 置信度 0.9
“Explicit assignment in text”
Reyes-Garcia 等 - 2021 - Exploration of the Potential Bioactive Molecules o DOI: 10.3390/app112311322 -
Ammonium 置信度 0.8
“Strong vibration at 1432.45 cm-1 attributed to NH4+.”
Muryanto 等 - 2016 - INHIBITION OF STRUVITE CRYSTAL GROWTH IN THE PRESE DOI: 10.1002/tre.408
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