红外吸收光谱特征峰特别整理版.doc

(/cm-1)化合物基团X-H伸缩振动区叁键区双键伸缩振动区部分单键振动和指纹区烷烃-CH3asCH:2962±10(s) asCH:1450±10(m)sCH:2872±10(s)sCH:1375±5(s)-CH2-asCH:2926±10(s)CH:1465±20(m)sCH:2853±10(s) CH:2890±10(s)CH:~1340(w)烯烃CH:3040~3010(m) C=C:1695~1540(m)CH:1310~1295(m)   CH:770~665(s)CH:3040~3010(m)C=C:1695~1540(w)CH:970~960(s)炔烃-C≡C-HCH:≈3300(m)C≡C:2270~2100(w) 芳烃CH:3100~3000(变) 泛频:2000~1667(w)C=C:1650~1430(m)2~4个峰CH:1250~1000(w)CH:910~665单取代:770~730(vs) ≈700(s)邻双取代:770~735(vs)间双取代:810~750(vs) 725~680(m) 900~860(m)~对双取代:860~790(vs)醇类R-OHOH:3700~3200(变) OH:1410~1260(w)CO:1250~1000(s)OH:750~650(s)酚类Ar-OHOH:3705~3125(s) C=C:1650~1430(m)OH:1390~1315(m)CO:1335~1165(s)脂肪醚R-O-R' CO:1230~1010(s)*** C=O:≈1715(vs) 醛CH:≈2820,≈2720(w) 双峰 C=O:≈1725(vs) 羧酸OH:3400~2500(m) C=O:1740~1690(m)OH:1450~1410(w)CO:1266~1205(m)酸酐 C=O:1850~1880(s)C=O:1780~1740(s)CO:1170~1050(s)酯泛频C=O:≈3450(w) C=O:1770~1720(s)COC:1300~1000(s)***-NH2NH2:3500~3300(m) 双峰 NH:1650~1590(s,(脂肪):1220~1020(m,(芳香):1340~1250(s)-NHNH:3500~3300(m)NH:1650~1550((脂肪):1220~1020(m,(芳香):1350~1280(s)酰***asNH:≈3350(s) C=O:1680~1650(:1420~1400(m)sNH:≈3180(s)NH:1650~1250(s)NH2:750~600(m)NH:≈3270(s)C=O:1680~1630(s):1750~1515(+NH:1310~1200(m) C=O:1670~1630 酰卤 C=O:1810~1790(s) ***-C≡N C≡N:2260~2240(s) 硝基化合物R-N02 NO2:1565~1543(s)NO2:1385~1360(:920~800(m)Ar-NO2NO2:1550~1510(s)NO2:1365~1335(:860~840(s)不明:≈750(s)吡啶类CH:≈3030(w) C=C及C=N: 1667~1430(m)CH:1175~1000(w)CH:910~665(s)嘧啶类CH: