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譜庫頂部命中物為propan-2-yl cyclohexanecarboxylate,但匹配品質實際缺失,不足以支持該特定化合物的識別。測量光譜主要由指紋區的波段主導,尤其是1034-1284 cm-1,這與脂肪族含氧有機材料中的C-O伸縮一致。然而,當前峰值列表在預期的1700-1750 cm-1區域附近未包含清晰的酯羰基帶,因此特定的環己烷羧酸酯分配未得到安全支持。基於當前證據,含有C-O鍵的脂肪族有機材料的更廣泛方向在化學上更安全。
建議的下一步: Reacquire the FTIR spectrum over the full range with attention to the 1800-1500 cm-1 region to check for a characteristic ester carbonyl band. Inspect the 3000-2800 cm-1 region for aliphatic C-H stretching and the 3500-3200 cm-1 region for any O-H or N-H bands that would redirect the interpretation. If available, compare against authenticated spectra of the library top hit and a small set of simple aliphatic esters and ethers rather than relying on the present low-match library ranking. Use a complementary method such as GC-MS or LC-MS if the sample is a small molecule mixture or liquid, since that would quickly test whether a cyclohexanecarboxylate ester is actually present.
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