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目前的FTIR結果不支持明確的化合物級別鑑定。譜庫將2-fluoroacetonitrile列為首位,但所有報道的譜庫相似度均為0.000,且沒有直接或相關的文獻證據獨立支持該指認。僅有798、953、1070和1215 cm⁻1處的譜帶,化學上最合理的結論是廣義的鹵化含氮有機化合物,而非特定分子。
建議的下一步: Re-acquire the FTIR spectrum over the full range, especially 4000-600 cm⁻1, to check for a nitrile band near 2200-2300 cm⁻1 and any N-H, C-H, or other characteristic bands. Inspect the sample for halogen content using an orthogonal method such as XRF, ion chromatography after combustion, or mass spectrometry if the sample amount allows. If 2-fluoroacetonitrile remains of interest, compare the sample directly against a reference spectrum of 2-fluoroacetonitrile and verify whether the expected nitrile absorption is present. If the material is part of a formulation or residue, consider GC-MS or LC-MS to determine whether the FTIR spectrum is from a small halogenated nitrogen-containing molecule or from a mixture.
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