核磁共振1H化学位移图表

1、.核磁共振1h化学位移图表质子类型化学位移值烷烃质子(1) -c-c-h d0.91.5 ppmd1.62.1 ppmd1.62.1 2.1(2) -c=c-ch -cc-ch (3)与n、s、c=o、-ar相连 d2.02.5 ppm(4)与o、卤素相连 d34 ppm烯烃质子d4.58.0 ppm利用1h-nmr可有效确定双键的取代及构型。dh=5.28+zgem+zcis+ztrans炔烃质子不特征， d1.83.0 ppm ，与烷烃重叠，应结合ir解析。芳烃质子1h-nmr信息非常特征 d6.58.0 ppm，精品.未取代芳环d7.26 ppm，呈现单峰其它质子醛基 -co-h d9.

2、010.0d ppm羟基 r-oh d0.51.0ppm （稀溶液） d4 5.5 ppm （浓溶液） ar-oh d3.57.7 ppm d1016 ppm（分子内氢键） -cooh d10.513 ppm精品.杂质峰种类：测试核磁的样品一般要求比较纯，并且能够溶解在氘代试剂中，这样才能测得高分辨率的图谱。为不干扰谱图，所用溶剂分子中的氢都应被氘取代，但难免有氢的残余（1%左右），这样就会产生溶剂峰；除了残存的质子峰外，溶剂中有时会有微量的h2o而产生水峰，而且这个h2o峰的位置也会因溶剂的不同而不同；另外，在样品（或制备过程）中，也难免会残留一些杂质，在图谱上就会有杂质峰，应注意识别。常用

3、氘代溶剂和杂质峰在1h谱中的化学位移单位：ppm溶剂cdcl3(cd3)2co(cd3)2soc6d6cd3cncd3ohd2o溶剂峰7.262.052.497.161.943.314.80水峰1.562.843.330.402.134.87乙酸2.101.961.911.551.961.992.08丙酮2.172.092.091.552.082.152.22乙腈2.102.052.071.551.962.032.06苯7.367.367.377.157.377.33叔丁醇ch31.281.181.111.051.161.401.24oh4.191.552.18叔丁基甲醚cch31.191.1

4、31.111.071.141.151.21och33.223.133.083.043.133.203.22氯仿7.268.028.326.157.587.90环己烷1.431.431.401.401.441.451,2-二氯乙烷3.733.873.902.903.813.78二氯甲烷5.305.635.764.275.445.49乙醚ch3(t)1.211.111.091.111.121.181.17ch2(q)3.483.413.383.263.423.493.56二甲基甲酰胺ch8.027.967.957.637.927.797.92ch32.962.942.892.362.892.993

5、.01ch32.882.782.731.862.772.862.85二甲基亚砜2.622.522.541.682.502.652.71二氧杂环3.713.593.573.353.603.663.75乙醇ch3(t)1.251.121.060.961.121.191.17ch2(q)3.723.573.443.343.543.603.65oh(s)1.323.393.632.47乙酸乙酯ch3co2.051.971.991.651.972.012.07och2(q)4.124.054.033.894.064.094.14ch3(t)1.261.201.170.921.201.241.24甲乙酮精

6、品.ch3co2.142.072.071.582.062.122.19ch2(q)2.462.452.431.812.432.503.18ch3(t)1.060.960.910.850.961.011.26乙二醇3.763.283.343.413.513.593.65润滑脂ch3(m)0.860.870.920.860.88ch2(br)1.261.291.361.271.29正己烷ch3(t)0.880.880.860.890.890.90ch2(m)1.261.281.251.241.281.29甲醇ch33.493.313.163.073.283.343.34oh1.093.124.01

7、2.16正戊烷ch3(t)0.880.880.860.870.890.90ch2(m)1.271.271.271.231.291.29异丙醇ch3(d)1.221.101.040.951.091.501.17ch4.043.903.783.673.873.924.02硅脂0.070.130.290.080.10四氢呋喃ch21.851.791.761.401.801.871.88ch2o3.763.633.603.573.643.713.74甲苯ch32.362.322.302.112.332.32ch（o/p）7.177.207.187.027.307.16ortho邻，para对ch（m）7.257.207.257.137.307.16