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常規FTIR證據不支持對該樣本進行明確的化合物級別歸屬。最近的譜庫項目是5-ethyl-3-methyl-5-phenylimidazolidine-2,4-dione,但譜庫匹配置信度實際上不存在,且無直接參考文獻或相關文獻證據獨立支持該確切結構。觀察到的吸收帶更安全地解釋為指示一種芳香族有機材料,具有強羰基吸收和多個指紋區的C-O/C-N型吸收帶,與含羰基的芳香族化合物如酯、酮或醯亞胺類材料一致。
建議的下一步: 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.
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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