What absorbs at 2094 cm⁻¹ in an FTIR spectrum?
A band near 2094 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 |
|---|---|---|---|
| Azide | 1 | 1 | 1.0 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| C#c | 1 | 1 | 1.0 |
| Methacrylate | 1 | 1 | 1.0 |
| Ketone | 1 | 1 | 1.0 |
| Ester | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Acetate | 1 | 1 | 1.0 |
| C-S single bond | 1 | 1 | 1.0 |
| N h | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 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
-
Carboxyl (COOH) 信心 1.0
“LLM confirmed rule peak-group candidate”
Retnoningtyas 等 - 2022 - Synthesis and Characterization of Methionine-Funct DOI: 10.33263/BRIAC125.58455859 -
C#c 信心 1.0
“The peak at 2094 is of alkyne stretching viThesurfacemorphologywasinvestigatedbySEM,indicatingthe cm(cid:1)1 CeH brations, and 1632”
Biogenic Fabrication, Characterization and Drug Loaded Antimicrobial Assay of Silver Nanoparticles Using Centratherum anthalminticum (L.) Kuntze DOI: 10.1016/j.xphs.2021.01.034 -
Alkene (C=C) 信心 1.0
“cm-1 (Figure 6, dashed line) contains a strong, new vibrational band at 2094 that is attributed r ip to the cumulated double bonds of the terminal azide moiety.”
Zhang 和 Yan - 2010 - Analytical strategies for characterizing the surfa DOI: 10.1007/s00216-009-2996-1. -
信心 0.9
“unique infrared peak of Prussian blue”
Salvadori 等 - 2003 - Evaluation of gypsum and calcium oxalates in deter DOI: 10.1081/SL-120026615
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