查看上面的报告。如果需要后续讨论,请使用下方的评论。
常规FTIR证据不支持对该样品进行明确的化合物级归属。最近的谱库条目是5-乙基-3-甲基-5-苯基咪唑烷-2,4-二酮,但谱库匹配置信度实际上为零,且没有独立支持该精确结构的直接参考文献或相关文献证据。观察到的峰更安全地解释为指示一种芳香有机材料,具有强羰基吸收和多个指纹区C-O/C-N型峰,与含羰基芳香化合物(如酯、酮或酰亚胺类材料)一致。
推荐的后续步骤: Acquire a higher-quality FTIR spectrum over the full range with band intensities and baseline correction, paying particular attention to the 1800-1500 cm-1 region to better separate ester-, ketone-, amide-, and imide-like carbonyl patterns. Check for additional characteristic bands that could confirm or exclude imide-like functionality, especially the presence or absence of multiple carbonyl absorptions and clearer C-N-associated bands. If available, run complementary Raman or NMR measurements to determine whether the sample is primarily an aromatic ester/ketone or a nitrogen-containing cyclic carbonyl compound. Compare the sample against targeted reference spectra for aromatic esters, aromatic ketones, and imide-containing aromatic compounds rather than relying on the present low-confidence broad library search.
| 排名 | 匹配% | 化合物 | SMILES | 光谱编号 | 操作 |
|---|---|---|---|---|---|
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FTIR.fun
The above shows the FTIR analysis results of a PDF file uploaded by a user from UK . The original image is displayed below.
CSV FILE:20250613101541207392280.csv
en&2