What absorbs at 3471 cm⁻¹ in an FTIR spectrum?
A band near 3471 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 4 cited sources
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| Fluorine (C-F) | 1 | 1 | 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 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
Hydroxyl (O-H) 信心 1.0
“LLM confirmed rule peak-group candidate”
Capelletti 等 - 1999 - The OH vibrational spectrum in Bi2TeO5 single crys DOI: 10.1080/10420159908245945 -
Alkyl C-H 信心 1.0
“vibration is identified at 3471 The characteristic peaks of C-H stretching and cm-1, anti-symmetric stretching vibrations are assigned at 2858 and 2943 respeccm-1 cm-1 tively.”
Thermal degradation and crystallization kinetics studies on synthesized calcium mercaptosuccinate end-capped poly(ε-caprolactone) nanocomposite DOI: 10.1007/s00289-018-2614-5 -
Acetate 信心 1.0
“All registered spectra showed absorption cm-1 bands at different wavenumbers, as follows: 3471 cm-1 (assigned to overtone of C=O of ester) [32], 3006 The Origin 7.0 software program was used for performing (C-H”
Poiana 等 - 2015 - Use of ATR-FTIR spectroscopy to detect the changes DOI: 10.1515/chem-2015-0110 -
信心 1.0
“1175 is attributed to C-F antisymmetric stretching, and theabsorptionat3471cm(cid:12) 1”
Sosulin 等 - 2017 - Communication A hydrogen-bonded difluorocarbene c DOI: 10.1063/1.4999772
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