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O-H, N-H, C-H stretching
3400-2800
C≡N, C≡C stretching
2250-2100
C=O, C=N, C=C stretching
1850-1600
C-O, C-N, C-C stretching
1500-1000
fingerprint region
anything below 1500
C-H streching
2850-2690
C-H bending
below 1500
C=C stretching
1680-1640
=C-H terminal alkene, stretching
3100-3000
C≡C stretching
2100-2200
≡C-H 1-alkynes, stretching
~3300
C-F alkyl halide, stretch
1100-100
CF3 stretch
3300
O-H alcohol, stretch
3200-3400
C-O ROH and ethers, stretch
1200-1050
C-H bending
990-910