示例 Aμm) v2960 0 as 2925 5.5 δ8,1460 10111213141516 CH H 1465 v，2870 2850 1390 -(CH2)s-CI 723 8CH3+8cH3 723 62 1469 1000.9127 CH2 V-cm>3000 -CH 1010 H-(CH2) c=c~1650 2 =CH. 912 V=CH VCH Vc=C 6=CH2 0 440 Y=CH Y=CH2 100 80 B=CH 1238 =CH 3300 Vc=c~2200,-cH, PCH2 1380 1238 20 CH 1432 464 4000 3200 20001800 1600 1400 1200 1000 800600 a(m-) 庚烷、庚烯-1及庚炔1的红外吸收光谱示例 2925 2 as  CH 2850 2 s  CH 2870 3 s  CH 1460 3 as  CH 2960 3 as  CH 1390 3 s  CH 1465 CH2  723 CH2   =CH  3000 ~1650  C=C 1010 =CH  912 =CH2  3300  CH ~ 2200  CC  CH 1238