1、(强)132003650cmHO变,锐峰)(较强(游离)136003650cmHO中强,宽、钝峰)(强(缔合)132003500cmHO(强)110001250cmOC11050cmOC(伯醇)11100cmOC(仲醇)11150cmOC(叔醇)112001300cmOC(酚)续前110001300cmOC(强)(链)110601150cmasCOC消失弱(链)sOC112001275cmasOC)(12501)(强cmasOC)(10401)(中cmsOC示例3200HO1050OC1100OC (强)116001900cmOC(极强)(酮)11715cmOC(强,尖锐)(醛)11725cm
2、OC(双峰)和1)(27202820cmOCH分裂成双峰接近二倍频峰与1)()(2850cmOCHOCH11800cmOC(酰氯)示例1715(酮)OC1725(醛)OC1800(酰氯)OC900OCC续前(强、钝峰)(羧酸)116801740cmOC(强、宽峰)(羧酸)125003400cmOH(中强)(羧酸)112001320cmOC(强)(酯)11735cmOC111001280cmOC(酯)(强)111001280cmasOC(弱)110001150cmsOC(较强)(强)双峰(酸酐)111740178018001850cmcmsOCasOCOC(强)(酸酐)19001300cmOC示
3、例1718(羧酸)OC1744(酯)OC(双)(酸酐)1757,1824OC1248OC为中心(强宽)以3000OH1190OC(强)1042OC峰强峰弱;芳香胺脂肪胺(强度不定)(胺)133003500cmNH峰叔胺:无单峰仲胺:伯胺:双峰NH(中,单峰)115601650cmNH(中强)仲胺:(弱)伯胺:1115501650159016502cmcmNHNH(中)(胺)111001300cmNC示例(双)HN(单)HN(强单)HN3000H(仲)中强NC(伯)弱NC(双)1500,1600CC续前(强)(酰胺)116301680cmOC(强)(酰胺)131003500cmNH峰叔酰胺:无尖锐单峰仲酰胺:伯酰胺:双峰NH115501640cmNH(酰胺)示例31803350sNHasNH,伯酰胺(双峰)15501640NH16301680OC双CC续前(强)(强)11130013901500160022cmcmsNOasNO(强)122402260cmNC