C-H in-plane bend 1430-1290 C-H bend (monosubstituted) ~990 & ~910 C-H bend (disubstituted - E) ~970 C-H bend (disubstituted - 1,1) ~890 C-H bend (disubstituted - Z) ~700 C-H bend (trisubstituted) ~815 acetylenic C-H stretch ~3300 alkynes C,C triple bond stretch ~2150 acetylenic C-H bend 650-600 C-H stretch 3020-3000 C=C stretch ~1600 & ~1475 C-H bend (mono) 770-730 & 715-685 aromatics C-H bend (ortho) 770-735 C-H bend (meta) ~880 & ~780 & ~690 C-H bend (para) 850-800 O-H stretch ~3650 or 3400-3300 alcohols C-O stretch 1260-1000 C-O-C stretch (dialkyl) 1300-1000 ethers C-O-C stretch (diaryl) ~1250 & ~1120 C-H aldehyde stretch ~2850 & ~2750 aldehydes C=O stretch ~1725 C=O stretch ~1715 ketones C-C stretch 1300-1100 O-H stretch 3400-2400 C=O stretch 1730-1700 carboxylic acids C-O stretch 1320-1210 O-H bend 1440-1400 C=O stretch 1750-1735 esters C-C(O)-C stretch (acetates) 1260-1230
C-H in-plane bend 1430-1290 C-H bend (monosubstituted) ~990 & ~910 C-H bend (disubstituted - E) ~970 C-H bend (disubstituted - 1,1) ~890 C-H bend (disubstituted - Z) ~700 C-H bend (trisubstituted) ~815 alkynes acetylenic C-H stretch ~3300 C,C triple bond stretch ~2150 acetylenic C-H bend 650-600 aromatics C-H stretch 3020-3000 C=C stretch ~1600 & ~1475 C-H bend (mono) 770-730 & 715-685 C-H bend (ortho) 770-735 C-H bend (meta) ~880 & ~780 & ~690 C-H bend (para) 850-800 alcohols O-H stretch ~3650 or 3400-3300 C-O stretch 1260-1000 ethers C-O-C stretch (dialkyl) 1300-1000 C-O-C stretch (diaryl) ~1250 & ~1120 aldehydes C-H aldehyde stretch ~2850 & ~2750 C=O stretch ~1725 ketones C=O stretch ~1715 C-C stretch 1300-1100 carboxylic acids O-H stretch 3400-2400 C=O stretch 1730-1700 C-O stretch 1320-1210 O-H bend 1440-1400 esters C=O stretch 1750-1735 C-C(O)-C stretch (acetates) 1260-1230