主要基團(tuán)的紅外特征吸收峰

1、.主要基團(tuán)的紅外特征吸收峰基團(tuán)振動(dòng)類型波數(shù)（cm-1）波長(zhǎng)（m）強(qiáng) 度 備 注一、烷烴類CH伸CH伸（反稱）CH伸（對(duì)稱）CH彎（面內(nèi)）C-C伸30002843297228802882284314901350125011403.333.523.373.473.493.526.717.418.008.77中、強(qiáng)中、強(qiáng)中、強(qiáng)分為反稱與對(duì)稱二、烯烴類CH伸CC伸CH彎（面內(nèi)）CH彎（面外）單取代雙取代順式反式31003000169516301430129010106509959859109057306509809653.233.335.906.137.007.759.9015.410.0510.15

2、10.9911.0513.7015.3810.2010.36中、弱中強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)CCC為20001925 cm-1三、炔烴類CH伸CC 伸CH彎（面內(nèi)）CH彎（面外）330022702100126012456456153.034.414.767.948.0315.5016.25中中強(qiáng)四、取代苯類CH伸泛頻峰骨架振動(dòng)（）CH彎（面內(nèi)）CH彎（面外）3100300020001667160020150025158010145020125010009106653.233.335.006.006.250.086.670.106.330.046.900.108.0010.0010.9915.03變?nèi)鯊?qiáng)三、四

3、個(gè)峰，特征確定取代位置單取代鄰雙取代間雙取代對(duì)雙取代1,2,3,三取代1,3,5,三取代1,2,4,三取代1,2,3,4四取代1,2,4,5四取代1, 2,3,5四取代五取代CH彎（面外）CH彎（面外）CH彎（面外）CH彎（面外）CH彎（面外）CH彎（面外）CH彎（面外）CH彎（面外）CH彎（面外）CH彎（面外）CH彎（面外）77073077073081075090086086080081075087483588586086080086080086080086581086012.9913.7012.9913.7012.3513.3311.1211.6311.6312.5012.3513.331

4、1.4411.9811.3011.6311.6312.5011.6312.5011.6312.5011.5612.3511.63極強(qiáng)極強(qiáng)極強(qiáng)中極強(qiáng)強(qiáng)強(qiáng)中強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)五個(gè)相鄰氫四個(gè)相鄰氫三個(gè)相鄰氫一個(gè)氫（次要）二個(gè)相鄰氫三個(gè)相鄰氫與間雙易混一個(gè)氫一個(gè)氫二個(gè)相鄰氫二個(gè)相鄰氫一個(gè)氫一個(gè)氫一個(gè)氫五、醇類、酚類OH伸OH彎（面內(nèi)）CO伸OH彎（面外）3700320014101260126010007506502.703.137.097.937.9410.0013.3315.38變?nèi)鯊?qiáng)強(qiáng)液態(tài)有此峰OH伸縮頻率游離OH分子間氫鍵分子內(nèi)氫鍵OH彎或CO伸伯醇（飽和）仲醇（飽和）叔醇（飽和）酚類（OH）OH伸OH

5、伸OH伸（單橋）OH彎（面內(nèi)）CO伸OH彎（面內(nèi)）CO伸OH彎（面內(nèi)）CO伸OH彎（面內(nèi)）O伸36503590350033003570345014001250100014001125100014001210110013901330126011802.742.792.863.032.802.907.148.0010.007.148.8910.007.148.269.097.207.527.948.47強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)中強(qiáng)銳峰鈍峰（稀釋向低頻移動(dòng)*）鈍峰（稀釋無影響）六、醚類COC伸127010107.879.90強(qiáng)或標(biāo)CO伸脂鏈醚脂環(huán)醚芳醚（氧與芳環(huán)相連）COC伸COC伸（反稱）COC伸（對(duì)稱

6、）COC伸（反稱）COC伸（對(duì)稱）CH伸1225106011001030980900127012301050100028258.169.439.099.7110.2011.117.878.139.5210.003.53強(qiáng)強(qiáng)強(qiáng)強(qiáng)中弱氧與側(cè)鏈碳相連的芳醚同脂醚OCH3的特征峰七、醛類（CHO）CH伸CO伸CH彎（面外）28502710175516659757803.513.695.706.0010.212.80弱很強(qiáng)中一般2820及2720cm-1兩個(gè)帶飽和脂肪醛，-不飽和醛芳醛CO伸CO伸CO伸1725168516955.805.935.90強(qiáng)強(qiáng)強(qiáng)八、酮類CO伸CC伸泛頻170016301250

7、1030351033905.786.138.009.702.852.95極強(qiáng)弱很弱脂酮飽和鏈狀酮，-不飽和酮二酮芳酮類ArCOCO伸CO伸CO伸CO伸CO伸17251705169016751640154017001630169016805.805.865.925.976.106.495.886.145.925.95強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)CO與CC共軛向低頻移動(dòng)譜帶較寬二芳基酮1-酮基-2-羥基（或氨基）芳酮脂環(huán)酮四環(huán)元酮五元環(huán)酮六元、七元環(huán)酮CO伸CO伸CO伸CO伸CO伸1670166016651635177517501740174517255.996.026.016.125.635.715.755.73

8、5.80強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)九、羧酸類（COOH）OH伸CO伸OH彎（面內(nèi)）CO伸OH彎（面外）3400250017401650143013009509002.944.005.756.066.997.6910.5311.11中強(qiáng)弱中弱在稀溶液中，單體酸為銳峰在3350cm-1；二聚體為寬峰，以3000cm-1為中心脂肪酸RCOOH，-不飽和酸芳酸CO伸CO伸CO伸1725170017051690170016505.805.885.875.915.886.06強(qiáng)強(qiáng)強(qiáng)氫鍵十、酸酐鏈酸酐CO伸（反稱）CO伸（對(duì)稱）CO伸1850180017801740117010505.415.565.625.758.559

9、.52強(qiáng)強(qiáng)強(qiáng)共軛時(shí)每個(gè)譜帶降20 cm-1環(huán)酸酐（五元環(huán)）CO伸（反稱）CO伸（對(duì)稱）CO伸1870182018001750130012005.355.495.565.717.698.33強(qiáng)強(qiáng)強(qiáng)共軛時(shí)每個(gè)譜帶降20cm-1十一、酯類CO伸（泛頻）CO伸COC伸345017701720128011002.905.655.817.819.09弱強(qiáng)強(qiáng)多數(shù)酯CO伸縮振動(dòng)正常飽和酯，-不飽和酯-內(nèi)酯-內(nèi)酯（飽和）-內(nèi)酯CO伸CO伸CO伸CO伸CO伸174417391720175017351780176018205.735.755.815.715.765.625.685.50強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)十二、胺NH伸NH彎

10、（面內(nèi)）CN伸NH彎（面外）3500330016501550134010209006502.863.036.066.457.469.8011.115.4中中強(qiáng)伯胺強(qiáng)，中；仲胺極弱伯胺類仲胺類叔胺類NH伸（反稱、對(duì)稱）NH彎（面內(nèi)）CN伸NH伸NH彎（面內(nèi)）CN伸CN伸（芳香）350034001650159013401020350033001650155013501020136010202.862.946.066.297.469.802.863.036.066.457.419.807.359.80中、中強(qiáng)、中中、弱中極弱中、弱中、弱雙峰一個(gè)峰十三、酰胺（脂肪與芳香酰胺數(shù)據(jù)類似）NH伸CO伸NH彎

11、（面內(nèi)）CN伸350031001680163016401550142014002.863.225.956.136.106.457.047.14強(qiáng)強(qiáng)強(qiáng)中伯酰胺雙峰仲酰胺單峰譜帶譜帶譜帶伯酰胺仲酰胺叔酰胺NH伸 （反稱）（對(duì)稱）CO伸NH彎（剪式）CN伸NH2面內(nèi)搖NH2面外搖NH伸CO伸NH彎+CN伸CN伸+NH彎CO伸3350318016801650165016201420140011507506003270168016301570151513101200167016302.983.145.956.066.066.157.047.148.701.331.673.095.956.136.376.607.638.335.996.13強(qiáng)強(qiáng)強(qiáng)強(qiáng)中弱中強(qiáng)強(qiáng)中中兩峰重合兩峰重合十四、氰類化合物脂肪族氰、芳香氰、不飽和氰CN伸