What absorbs at 1047 cm⁻¹ in an FTIR spectrum?
A band near 1047 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 | 4 | 4 | 1.0 |
| Phosphate (PO4) | 2 | 2 | 0.9 |
| Carbonate | 2 | 1 | 0.9 |
| Hydrogen bond | 1 | 1 | 0.9 |
| Hydroxyl (O-H) | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.9 |
| Oxygen heterocycle | 1 | 1 | 0.9 |
| Siloxane (Si-O-Si) | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.8 |
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
“AHMT230 41.44 22.39 36.01 Absorption bands at 1047 are associated with starch grains' crystalline and amorphous domains, respectively and the ratio ± =”
Asranudi 等 - 2021 - The effect of heat moisture treatment on crystalli DOI: 10.1016/j.foodhyd.2021.106889 -
置信度 0.9
“Explicit assignment: 'doublet band ... due SO stretching'.”
Henry 等 - 2015 - Structural and optical properties of SnS nanoparti DOI: 10.1080/17458080.2013.788226 -
Carbohydrate 置信度 0.9
“Explicitly stated: 'cm-1 sachride peak in CP1A at 1047'”
Qureshi 等 - 2015 - Ethyl acetate Salix alba leaves extract-loaded chi DOI: 10.1080/09205063.2015.1100843 -
置信度 0.9
“Absorbance ratio of bands at 1047 and 1008 cm-1 used for starch crystallinity determination.”
Balogun 等 - 2018 - Thermochemical and pyrolytic analyses of Musa spp. DOI: 10.1002/ep.12869 -
Siloxane (Si-O-Si) 置信度 0.9
“explicit assignment”
Jiang 等 - 2011 - Photoresponsive Release from Azobenzene-Modified S DOI: 10.1155/2011/439756 -
置信度 0.9
“Text states most intensive peak of DIMEB at 1047 cm-1.”
Kondoros 等 - 2022 - Cyclodextrin Complexation of Fenofibrate by Co-Gri DOI: 10.3390/pharmaceutics14071329 -
Oxygen heterocycle 置信度 0.9
“Text: 'epoxide at 1047'”
Li 等 - 2020 - Using 3-Isocyanatopropyltrimethoxysilane to Decora DOI: 10.3390/polym12040837 -
C-O single bond 置信度 0.9
“Signals at 1047 corresponded to -C-O”
Li 等 - 2021 - Membrane Fouling Behavior of Forward Osmosis for F DOI: 10.3390/membranes11080611
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