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当前的FTIR结果不支持明确的化合物级鉴定。尽管最近的谱库条目是7-oxabicyclo[4.1.0]heptan-5-one,但匹配质量实际上没有区分性,且更广泛的谱库模式较弱。测量光谱更安全地描述为具有脂肪族或甲基特征的小型含羰基有机材料,而可能的腈贡献仍为暂定而非确定
推荐的后续步骤: Re-measure the sample over the full mid-IR range with attention to the 2210-2260 cm-1 region to check specifically for a nitrile band. Inspect the 2800-3100 cm-1 region for C-H stretching pattern and the 3200-3600 cm-1 region for any O-H or N-H absorption, which would help separate ketone/ester/lactone from amide or alcohol-containing candidates. If enough sample is available, confirm the carbonyl type by GC-MS or LC-MS and compare against small oxygenated organic compounds rather than relying on the current weak FTIR library hit. If this is a formulation or extract rather than a pure compound, consider chromatographic separation before repeat FTIR, because mixed components can produce this kind of non-specific library outcome.
| 排名 | 匹配% | 化合物 | SMILES | 光谱编号 | 操作 |
|---|---|---|---|---|---|
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Evidently, this substance is a polymer containing ester groups and long-chain CH2 groups. Further analysis will be provided in a subsequent response.
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