What absorbs at 3435 cm⁻¹ in an FTIR spectrum?
A band near 3435 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 9 | 9 | 1.0 |
| N h | 3 | 3 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
| Water (H2O) | 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
-
Hydroxyl (O-H) 置信度 1.0
“Explicitly assigned to O-H stretching of silanol and water.”
Ghaforinejad 等 - 2021 - Molecular separation of ions from aqueous solution DOI: 10.1038/s41598-021-89371-5 -
Metal oxygen 置信度 0.9
“Explicit assignment in text: '3435cm-1 Zn-O'”
Lanje 等 - 2013 - Low temperature dielectric studies of zinc oxide ( DOI: 10.1016/j.apt.2012.08.005 -
Hydroxyl (O-H) 置信度 0.9
“O-H stretch”
Motamedi-Sedeh 等 - 2022 - Carboxymethyl chitosan bounded iron oxide nanopart DOI: 10.1002/vms3.680 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment: broad peak of the OH group.”
Mudri 等 - 2020 - Comparative Study of Aromatic and Cycloaliphatic I DOI: 10.3390/polym12071494 -
N h 置信度 0.9
“assigned N-H stretching frequency”
Nwosu 等 - 2018 - Preparation and characterization of adsorbents der DOI: 10.1007/s13201-018-0827-2 -
N h 置信度 0.9
“Presence of N-H group (primary amine).”
Sable 等 - 2020 - Bioreduction mechanism of silver nanoparticles DOI: 10.1016/j.msec.2019.110299 -
置信度 0.9
“Corresponding to stretching of chitosan.”
Ara 等 - 2022 - Synthesis, Characterization, and Solar Photo-Activ DOI: 10.3390/catal12090983 -
Hydroxyl (O-H) 置信度 0.9
“Text: 'band at 3435.24 indicating OH and NH stretching vibrations'.”
Chen 等 - 2019 - Efficient Degradation of High-Molecular-Weight Hya DOI: 10.3390/molecules24030617
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