What absorbs at 3379 cm⁻¹ in an FTIR spectrum?
A band near 3379 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 5 | 5 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1.0 |
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
“LLM confirmed rule peak-group candidate”
Gu 等 - 2022 - Chemical Component Characterization and Potential DOI: 10.15376/biores.17.2.2525-2546 -
Hydroxyl (O-H) 置信度 1.0
“Among them, the most characteristic peak was the peak at 3379.0 cm-1 corresponds to O-H stretching, inter-molecular hydrogen bonding [39].”
Green Synthesis, Characterization, Enzyme Inhibition, Antimicrobial Potential, and Cytotoxic Activity of Plant Mediated Silver Nanoparticle Using Ricinus communis Leaf and Root Extracts DOI: 10.3390/biom11020206 -
Hydroxyl (O-H) 置信度 1.0
“The (%) CA-PU45 formation of NH was observed at 3379 cm-1, and this was attributed to the condensation between the 50 Transmittance OH and CNO groups [28].”
Characterization and Performance Evaluation of Cellulose Acetate–Polyurethane Film for Lead II Ion Removal DOI: 10.3390/polym12061317 -
Hydroxyl (O-H) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Kronenberg 等 - 2017 - Synchrotron FTIR imaging of OH in quartz mylonites DOI: 10.5194/se-8-1025-2017 -
Hydroxyl (O-H) 置信度 1.0
“On the spectra of DDRA, cm-1 the strong peak at 3379 corresponds to the hydroxyl The purifi ed MDDRA was subjected to IS10 Fourierstretching absorption, and its strong intensity indicates the -transform infra-red (FTIR) spectroscopic analys”
Mao 等 - 2017 - Design, preparation and properties of novel flame DOI: 10.1515/pjct-2017-0040 -
Alkyl C-H 置信度 1.0
“C-H stretching band while 3378.86”
A Freshwater Streptomyces, Isolated from Tyume River, Produces a Predominantly Extracellular Glycoprotein Bioflocculant DOI: 10.3390/ijms13078679
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