What absorbs at 1442 cm⁻¹ in an FTIR spectrum?
A band near 1442 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 |
|---|---|---|---|
| Carbohydrate | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| Carbonate | 1 | 1 | 0.9 |
| Aromatic ring | 1 | 1 | 0.9 |
| Boron nitrogen | 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
-
Carbohydrate 置信度 1.0
“Assigned to polysaccharides present in gluten.”
Dirin 等 - 2022 - Zein Protein Obtained from Maize as a Novel Biodeg DOI: 10.21203/rs.3.rs-1744529/v1 -
Boron nitrogen 置信度 0.9
“Explicitly stated: 'bands at 1442 and 817 are related to B-N components'.”
Sattanathan 等 - 2019 - Synthesis and characterization of hexagonal boron DOI: 10.1007/s13726-019-00757-9 -
Aromatic ring 置信度 0.9
“C-C aromatic stretching peak.”
Aamir 和 Ahmad - 2010 - Production and Stability Evaluation of Modified-Re DOI: 10.1208/s12249-010-9392-1 -
Carbonate 置信度 0.9
“Antisymmetric stretching vibration of carbonate groups.”
Rodriguez-Martinez 等 - 2023 - Efficient controlled release of cannabinoids loade DOI: 10.1007/s00604-023-05692-4 -
Carboxyl (COOH) 置信度 0.9
“Explicit assignment: COO- symmetric mode.”
Ruparelia 等 - 2020 - Silica anchored colloidal suspension of magnetite DOI: 10.1016/j.jssc.2020.121574 -
置信度 0.9
“Text: '归属于弱L酸位的1442 cm-1特征吸收峰'”
Zhang Chang 等 - 2015 - Modulation of the Acidity and Catalytic Conversion DOI: 10.3866/PKU.WHXB201412163 -
置信度 0.7
“Peak at 1442 cm-1 indicates Na+ and non-framework aluminum species.”
Du 等 - 2017 - Synthesis of core-shell structured FAUSBA-15 comp DOI: 10.1080/14686996.2017.1396561
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