What absorbs at 1019 cm⁻¹ in an FTIR spectrum?
A band near 1019 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 6 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 |
|---|---|---|---|
| Phosphate (PO4) | 2 | 2 | 0.95 |
| C-O single bond | 1 | 1 | 0.9 |
| Silicon nitrogen | 1 | 1 | 0.9 |
| Hydroxyl (O-H) | 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
-
置信度 0.95
“Explicit assignment: 'cm-1 at 1019 can be ascribed to the =C-H in-plane deformation vibration'”
Taleb 等 - 2014 - Electrochemical and In Situ FTIR Study of o-Cresol DOI: 10.1007/s12678-013-0182-x. -
Phosphate (PO4) 置信度 0.95
“Assigned to asymmetrical stretching vibration of PO43- group.”
Zou 等 - 2019 - Surface Features of Fluorapatite and Dolomite in t DOI: 10.3390/min9010033 -
Silicon nitrogen 置信度 0.9
“Explicit assignment in text.”
Hallam 等 - 2012 - Effect of PECVD silicon oxynitride film compositio DOI: 10.1016/j.solmat.2011.09.052 -
C-O single bond 置信度 0.9
“Text: 'The intense band around 1019 was ascribed to -C-O- stretching of strained cyclic ketones which are evidence of flavones and terpenoids.'”
Elemike 等 - 2018 - Synthesis and characterisation of silver nanoparti DOI: 10.1049/iet-nbt.2017.0297 -
Phosphate (PO4) 置信度 0.9
“Explicit assignment: 'phosphate absorption band from 1019.3'”
Hammerli 等 - 2021 - Measuring in situ CO2 and H2O in apatite via ATR-F DOI: 10.1007/s00410-021-01858-6 -
Hydroxyl (O-H) 置信度 0.7
“Strong band of 1010-1019 Water presence”
Fareed 等 - 2022 - Tailor made Functional Zeolite as Sustainable Pote DOI: 10.1007/s10562-021-03657-x
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