IR Spectroscopy

Smooth curve between 3200-3600 cm^-1

2200-3600 cm^-1

3350-3500 cm^-1

~3300 cm^-1

3000-3100 cm^-1

2850-3000 cm^-1

2750-2850 cm^-1

2100-2200 cm^-1

2200-2300 cm^-1

1750-1850 cm^-1

1700-1750 cm^-1

1700-1750 cm^-1

1680-1750 cm^-1

1650-1700 cm^-1

1600-1700 cm^-1

Aromatic C-C

Two peaks usually in the range of 1500-1600 cm^-1

Vampire Fangs

Primary amine C — NH2

One Knock-Out Fang

Secondary amine or a terminal alkyne

— C ≡ C — H

HN — R

Hairy Beard

Carboxylic Acid — COO — H

C — H (aldehyde)

Two peaks at 2710 cm⁻¹ and 2810 cm⁻¹

sp³ C — H

2850-3000 cm^-1

sp² C — H

3000-3100 cm^-1

sp C — H

~3300 cm^-1