Study Edge UF – Spectra signals

3200 – 3600 cm⁻¹
Alcohol (IR spectra)

Look for the big fatty!

3100 – 3550 cm⁻¹
Amine (IR spectra)

Look at the shape to distinguish between 1˚ and 2˚

2800 – 3200 cm⁻¹
C-H bonds (IR spectra)

1600 – 1680 cm⁻¹
C=C (IR spectra)

1630 – 1820 cm⁻¹
C=O (IR spectra)

Usually a very strong peak

1000 – 1250 cm⁻¹
C-O (IR spectra)

0 – 2 ppm
sp³ C-H

2 – 3 ppm
alpha hydrogens

1.6 – 2.6 ppm
allylic hydrogens

2.0 – 3.0 ppm
terminal hydrogen on an alkyne

3 – 4.5 ppm
electronegative atom – C – H

4.5 – 4.7 ppm
phenol

4.5 – 6.0 ppm
vinyl hydrogens

6.5 – 8.5 ppm
“benzene”

9.5 – 10 ppm
aldehyde

10 – 13
carboxylic acid