What absorbs at 1425 cm⁻¹ in an FTIR spectrum?
A band near 1425 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 |
|---|---|---|---|
| Carbohydrate | 3 | 1 | 0.9 |
| Alkyl C-H | 2 | 2 | 0.9 |
| Carbonate | 2 | 2 | 0.9 |
| Amide | 1 | 1 | 0.9 |
| Aromatic ring | 1 | 1 | 0.9 |
| Nitrogen heterocycle | 1 | 1 | 0.9 |
| Boron nitrogen | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.7 |
| Hydroxyl (O-H) | 1 | 0 | 0.6 |
| Lignin | 1 | 0 | 0.6 |
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
-
Boron nitrogen 置信度 0.9
“Text states peaks at 745 and 1425 cm-1 correspond to B-N-B and B-N structures.”
Li 等 - 2016 - B-C Bond in Diamond Single Crystal Synthesized wit DOI: 10.1088/0256-307X/33/2/028101 -
Nitrogen heterocycle 置信度 0.9
“Explicit assignment: C=N of triazine ring bands at 1425 cm-1.”
Chen 等 - 2018 - The Effects of a Macromolecular Charring Agent wit DOI: 10.3390/ma11010111 -
Carbonate 置信度 0.9
“Explicit assignment: 'carbonate band (1425 cm-1) and 1450'”
Choi 等 - 2021 - Fabrication and Characterization of Biodegradable DOI: 10.3390/nano11030617 -
置信度 0.9
“Text: 'Lower or missing peak at ... 1425 ... characteristic for mercerized cotton'”
Grgac 等 - 2020 - The Chitosan Implementation into Cotton and Polyes DOI: 10.3390/ma13071616 -
Carbohydrate 置信度 0.9
“Band at 1425 cm-1 assigned to amorphous and crystalline cellulose.”
Hamed 等 - 2020 - Investigating the Impact of Weathering and Indoor DOI: 10.22192/ijarbs.2018.05.06.004 -
Alkyl C-H 置信度 0.9
“Shifted band in gel to 1425 cm-1, same assignment.”
Lefroy 等 - 2021 - A natural, cellulose-based microgel for water-in-o DOI: 10.1016/j.foodhyd.2020.106408 -
Aromatic ring 置信度 0.9
“Band at 1425 cm-1 attributed to aromatic skeletal vibrations.”
Li 等 - 2020 - Structural Elucidation of Lignins from Corncob Aci DOI: 10.1080/02773819408003085 -
Amide 置信度 0.9
“Explicit assignment in text: 'protein (~ 1425 amide III'”
Theophilou 等 - 2018 - Synchrotronand focal plane array-based Fourier-t DOI: 10.1007/s00216-018-1111-x
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