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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(c111.)波长(UnI)强度备注一、烷妙类CH伸3000-28433.33、分为反称与对CH伸(反称)2972-28803.52称CH伸(对称)2882-28433.37bj、CH弯(面内)1490-13503.47C-C伸125011403.49I*、3.526.717.418.008.77二、烯忌类CH伸310030003.23中、C=C=C为C=C伸169516303.33到20001925CHW(面内)143072905.90c:CH弯(面外)1010-6506.13中单取代995-9857.00强910-9057.75强双取代9.90强顺式
2、73065015.4反式980965o6-15强IO1.9971.06强117075.38IO1.207(X36三、燃烧类C1.1.仲-3300-3.03中c三c伸2270-210()4.411CH穹(面内)1260-1215-1.76CH弯(面外)6156157.94强8.03班3076.25四、取代笨类CH伸3100-30003.23变三、四个展.特泛频峰2000-16673.33征骨架振动(VCc1600205.006.001500251580106.251450+200.08CH弯(面内)1250-10006.67弱CH弯(面外)9106650.10强6.33确定取代位置。&16.90
3、0.108.0010.00i99-15O0单取代CH驾(面外)77073012.99极强五个相邻我邻双取代CH穹(面外)77073013.70极强四个相邻氢间双取代CH穹(面外)81075012.99极强三个相邻氮900-86013.70中一个氢(次要)对双取代CH弯(面外)860-80012.3S极强二个相邻观1,2,3,三取代CH驾(面外)810-75013.33强三个相邻乳与11.12一间双易混1.3,5,三取代CH弯(面外)87483511.63强一个氮1,2,4,三取代CH驾(面外)8S586011.63中一个氢860-80012.50强:个相邻乳-1.2,3,4四取CH弯(面外)8
4、60-80012.35强二个相邻氮代CH弯(面外)860-80013.33强一个氮,2,4,5四取CH弯(面外)865-810强一个氢代CH驾(面外)86011.44强一个乳,1,2,3,5四11.98取代11.:w五取代11.6311.6312.5011.6312.5011.6312.5011.5612.35-11.63五、醇类、酚类OH伸3700-32002.70变OH穹(面内)141012603.13弱C0伸1260-10007.09强()11(面外)7506507.93强液态有此峰7.9110.0013.3315.38O1.1.伸缩频率游离OHOHft3650-35902.74强锐峰分
5、子间氮圾O1.1.仲3500-33002.79强钝峰(林择向低2.86频移动)分子内履镀OH伸(单桥)357034503.03强钝峰(稀林无影响)O1.1.弯或C-O2.80伸OH弯(面内)74002.90强伯醉(饱和)C-O伸1250-1000强OH-c伸122510608.16强脂环触CTM:伸(胡O110010309.43强CTM;伸(对称)9809009.09强芳隧=C-O-C伸网)1270-12309.71强我与(W链碳相(解苏碑府=C-O-C伸惭)1050700010.20中连的芳随同脂CH伸-282511.11弱17.87O-CI1.的特征8.13峰9.5210.003.53七、
6、醛类CH仲2850-27103.51到一股2820(CHO)3.69及2720cm两C=O伸1755-1665很强个带C1.1.3(面外)9757805.70中6.0010.212.80饱和脂肪旌.6T利丽E芳鬣C=Q伸C=O伸C=O伸-1725-1685-16955.805.93-5.90强强强八、粥类C=Q伸1700-16305.78极强XCCT伸1250-10306.13弱,(=。Z泛频351033908.009.702.852.95很弱脂冏馆和链状函一C=Q伸1725-17055.80强0,6-不饱和雨C=O伸169016755.865.92强C=O与C=C共筑向低颇移动B二阳C=O伸
7、C=O伸1640-15401700-16305.97强强潜带较宽芳丽类Ar-COC=O伸1690-16806.106.495.86.145.925.95强二芳基胡C=O伸1670-16605.99强1掰基-2-羟基(或领基)芳阴脂环酮四环元阴C=O伸C=O伸C=O伸1665-1635-17751750-17406.026.0!6.12强强强五元环洞六元、七元环酮C=O伸1715-17255.635.715.755.73-5.80强九、段酸类O1.1.伸3400-25002.94中在稀溶液中,单(-COOH)C=Q伸17407650-1.00强体酸为锐OH穹(面内)14305.75弱在3350c
8、m1.CT伸-13006.06中二聚体为宽峰.OH弯(面外)950-900-6997.6910.5311.11到以3000cm1为中心脂肪酸R-COOHa.-不饱和酸芳酸C=O伸C=O伸C=O伸17251700170516901700-16505.805.8S5.875.915.886.06强强强氧犍十、酸肝鞋酸肝C=O伸(反称)185018005.41强共奥时每个谱C=。伸(对称)1780-17405.56强带除20SC-O伸1170-10505.625.758.55-9.52强环酸酊C=Q伸(反称)1870-18205.35强共柜时鼻个谙(五元环)C=Q伸(对称)CT)伸180077501
9、300-12005.195.565.717.698.33强强带降20cm1十一、酯类C=Q伸泛频345Q2.90弱RC=O伸1770-17205.65强多数左C-O-RC-O-C伸1280-11005.817.819.09强C=O伸缩振动正常饱和主C=Q伸1744-17395.73强0,6-不饱和C=O伸17205.75强曲C=O伸1750-1735-5.81强6-内脑C=O伸1780-17605.71强Y-内酯(饱和B-内脑C=Q伸18205.765.625.685.50强十二、胺NH伸NH弯(面内)C-N伸NH5(面外)3500-33001650-15501310-1020900-6502.863.036.066.457.469.80H.I15.4中中强伯胺强,中:仲胺极必伯胺类仲胺类叔胺类NH伸反称、对称NH弯(面内)C-N伸NH伸NH穹(IHrt)C-N仲C-N伸芳香35003400165015901340-1020