What absorbs at 1244 cm⁻¹ in an FTIR spectrum?
A band near 1244 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 |
|---|---|---|---|
| C-O single bond | 4 | 3 | 0.9 |
| Phosphate (PO4) | 1 | 1 | 0.9 |
| Carbohydrate | 1 | 1 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.7 |
| Hydroxyl (O-H) | 1 | 1 | 0.7 |
| Amide | 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
-
N h 置信度 0.9
“Explicit assignment in text.”
Acharya 等 - 2022 - Phytochemical profiling of spiny coriander (Eryngi DOI: 10.1556/1326.2021.00909 -
Carbonyl (C=O) 置信度 0.9
“assigned to C=O and hemicellulose”
Dos Anjos 等 - 2021 - Combined Treatment (Alkali + Thermal) of Calotropi DOI: 10.3390/polym13193285 -
Phosphate (PO4) 置信度 0.9
“Band assignment for PO stretching asymmetric”
Mijatovic 等 - 2017 - Analysis of pulmonary surfactant by Fourier transf DOI: 10.17305/bjbms.2016.1680 -
C-O single bond 置信度 0.9
“Explicit assignment in text.”
Patala 等 - 2022 - In Situ Generation of Fouling Resistant AgPd Modi DOI: 10.3390/membranes12080762 -
置信度 0.8
“Text: 'peaks observed at 1095 and 1244 show amorphous phase of PVDF and stretching frequency of C-F bond'.”
Phogaat 和 Yepuri - 2023 - Performance enhancement of triboelectric nanogener DOI: 10.17586/2220-8054-2023-14-1-69-73 -
置信度 0.8
“Peak at 1244 belongs to in-plane bending of B-O-H.”
Yalcin 和 Gonen - 2021 - A novel approach for the production of zinc borate DOI: 10.1515/mgmc-2021-0001 -
Amide 置信度 0.7
“Part of amide III band range.”
Petibois 等 - 2004 - Determination of stress-induced changes in plasma DOI: 10.1002/bip.20002 -
C-O single bond 置信度 0.7
“Peak at 1244 cm-1 in biodiesel assigned to νC(5O)-O vibration.”
Rashid 等 - 2012 - Comparative study of the methanolysis and ethanoly DOI: 10.3989/gya.06891
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