What absorbs at 658 cm⁻¹ in an FTIR spectrum?
A band near 658 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 |
|---|---|---|---|
| Carbon dioxide | 2 | 2 | 1.0 |
| Methacrylate | 1 | 1 | 1.0 |
| Ketone | 1 | 1 | 1.0 |
| Ester | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Acetate | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Secondary amine | 1 | 1 | 1.0 |
| N h | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 0.9 |
| Metal oxygen | 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
-
Carbon dioxide 置信度 1.0
“558cm-1 observed at 485 and 545nm are corresponds to the The shift of peak 658 and may due to the dipoleNi2+ Co2+”
Hydrothermal synthesis of spherical NiCO2O4 nanoparticles as a positive electrode for pseudocapacitor applications DOI: 10.1007/s10971-017-4504-y -
N h 置信度 1.0
“The peak at 3,294 corresponds to NH stretching, aldehydic C-H stretching cm-1),C=Ogroup(1,658 cm-1)C=Cringstretching (2,952 cm-1) cm-1).”
Subashini 等 - 2014 - Anti-ESBL activity of silver nanoparticles biosynt DOI: 10.1007/s00449-013-1070-8 -
Acetate 置信度 1.0
“Discussion 300 stretching, amide II), 1,609 cm-1 (-N-H), and 1,658 cm-1 (C=O stretching, amide I) [10].”
Omir 等 - 2020 - Behaviour of Aquaporin Forward Osmosis Flat Sheet DOI: 10.3390/membranes10050108 -
Carbon dioxide 置信度 1.0
“Furthermore, the In the infrared spectra (T 483.18K), the (2277-2405cm-1, 658cm-1) and the absorption bands of some small molecular fragments are absorption bands of CO 2 cm-1) cm-1), (3,644-3,910 What's ν ν ν 2O are observed.”
Zhao 等 - 2021 - Five Dinuclear Lanthanide Complexes Based on 2,4-d DOI: 10.3389/fchem.2021.726813 -
C-O single bond 置信度 0.9
“explicit assignment”
Barzic 等 - 2022 - Cellulose derivativebarium titanate composites wi DOI: 10.21203/rs.3.rs-467926/v1 -
置信度 0.8
“Peak at 658 cm-1 assigned to TeO tbp.”
Effects of Fe2O3 replacement of ZnO on elastic and structural properties of 80TeO2–(20−x)ZnO–xFe2O3 tellurite glass system DOI: 10.1016/j.jnoncrysol.2012.04.017
是否有此波段的光谱？
上传您的FTIR光谱，几秒钟内即可获得完整的解读报告——包含带文献引用的峰分配、库匹配和带有置信度评级的证据链。
解读我的光谱