DAT Organic Chemistry IR and NMR

IR: C=O

big point peak at 1700 +/- 50 cm-1

IR: OH

large, broad trough far to left for alcohols on top of 3000 cm-1 for carboxylic acids

IR: C-H's

big, pointy peaks around 3000 cm-1

IR: NH or NH2

sharp peak around 3200-3500 (one for NH, two for NH2)

IR: CN

medium-sized peak at 2200

IR: NO2

vampire teeth at 1500-1600 and 1300-1400

IR: C=N

1600

IR: C=C

1600

13C NMR: C=O (esters, amides, carboxylic acids)

160-180 ppm

13C NMR: C=O (aldehydes, ketones)

> 200 ppm

13 C NMR: TMS

0 ppm

1 H NMR: carboxylic acids and amide H's

12-14 ppm

1 H NMR: phenol and aldehyde H's

10 ppm

1 H NMR: H's on benzene

6-8 ppm (aromatic land)

1 H NMR: double bond

4-6 ppm (double bond land)

1 H NMR: single bond

1-5 ppm (single bond land)

1 H NMR: TMS

0 ppm