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1、主要基团的红外特征汲取峰基团振动类型波数波K强备注(cm)(m)度一、烷控类CH伸30003.33中、分为反称与CH伸28433.52强对称(反称)29723.37中、CH伸28803.47强(对称)28823.49中、CH弯(面内)28433.52强C-C伸14906.7113507.4112508.0011408.77二、烯垃类CH伸31003.23中、C=C=C为C=C伸30003.33弱2000CH弯(面内)16955.90中1925cm1CH弯(面外)16306.13强单取代14307.00强12907.75双取代10109.90强顺65015.4强式99510.05强反式98591
2、090573065098096510.1510.9911.0513.7015.3810.2010.36三、烘慌类CH伸C三C伸CH弯(面内)CH弯(面外)-33002270210012601245645615*w3.034.414.767.948.0315.5016.25中中强四、取代苯类CH伸泛频峰骨架振动(7,)CH弯(面内)31003000200016671600203.233.335.006.006.250.08变弱强三、四个峰,特征确定取代位CH弯(面外)150025158010145020125010009106656.670.106.330.046.900.108.0010.00
3、10.9915.03单取代CH弯(面外)77012.99-极五个相邻氢邻双取代CH弯(面外)73013.70强四个相邻轼间双取代CH弯(面外)77012.99极三个相邻氢73013.70强一个氢(次对双取代CH弯(面外)81012.35极耍)1,2,3,三CH弯(面外)75013.33强二个相邻氢取代CH弯(面外)90011.12中三个相邻氢1,3,5,三CH弯(面外)86011.63极与间双易混取代CH弯(面外)86011.63强一个氢1,2,4,三CH弯(面外)80012.50强一个氢取代CH弯(面外)810*12.35强二个相邻氢75013.33二个相邻氢,1,2,3,4CH弯(面外)中
4、一个氢四取代87411.44强一个氢,1,2,4,583511.98强一个氢四取代885-w11.30强1,2,3,586011.63强四取代86011.63强五取代80012.50860*w11.6380012.50860*11.6380012.5086511.5681012.35五、醉类、酚OH伸37002.70变类一OH弯(面内)32003.13弱液态方此峰C-O伸14107.09强O-H弯(面12607.93强外)12607.94100010.0075013.3365015.38OH伸缩频OH伸36502.74强锐峰率OH伸35902.79强钝峰(稀释游离OH35002.86向低频移动
5、分子问OH伸(单桥)强33003.034)氢键钝峰(稀稀OH弯(面内)35702.80强分子内无影响)C-O伸34502.90强氢键OH弯(面内)强OH弯或CC-O伸1400*强一O伸OH弯(面内)12507.14强伯静(饱C-O伸100O8.00强和)OH弯(面内)-140010.00中-O伸1125强仲科(饱100O7.14和)14008.89叔醉(泡121010.00和)I1.OO*,*z13907.14酚类13308.26(0H)12609.0911807.207.527.948.47六、鞋类C-O-C伸127010107.879.90强或标C-O伸脂链噬C-O-C伸12258.16强
6、脂环醍C-O-C伸(反10609.43强翼与侧能碳称)11009.09强芳微_C-O-C(Xt10309.71强相连的芳酸(氧与芳环相称)98010.20中同脂雕连)=C-O-C伸90011.11弱O-CH3的特征峰12707.87=C-O-C伸12308.13(椭)10509.52CH伸100010.00-2825*3.53七、能类CH伸28503.51弱一般(CHO)C=O伸27103.69很2820与2720cm,CH弯(面外)17555.70强两个带16656.00中97510.278012.80饱和腑肪C=O伸-1725强薛C=O伸-16855.80强,自不饱和C=O伸-1695*强
7、能5.93芳醛5.90八、酮类C=O伸17005.78极Jc=OC-C伸16306.13强泛频12508.00弱10309.70很35102.85弱33902.95腑酮C=O伸17255.80强饱和锌状C=O与CC=O伸17055.86强三=C共挽向16905.92,-不饱C=O伸强低频移动16755.97和酮C=O伸强谓带较宽C=O伸16406.10强。二胡15406.49芳酮类17005.88Ar-CO16306.1416905.9216805.95二芳基酮C=O伸16705.99强I-附基-2-C=O伸16606.02强羟基(或氨16656.01基)芳酮C=O伸16356.12强脂环第C
8、=O伸强四环元网C=O伸-1775强五元环酮17505.63六元、七元17405.71环酮17455.7517255.735.80九、救酸类OH伸34002.94中在稀溶液(COOH)C=O伸25004.00强中,单体酸OH弯(面内)17405.75弱为锐峰在CO伸16506.06中3350cm1;OH弯(面外)-1430弱二聚体为宽-13006.99峰,以9503000cm19007.69为中心10.5311.11脂肪酸C=O伸17255.80强R一C=O伸17005.88强气健COOHC=O伸17055.87强,B-不饱16905.91和酸17005.88芳酸16506.06十、酸肝施酸肝C=O伸(反18505.41强共扼时每个称)18005.56强谱带降20C=O伸(对17805.