Carbon NMR chemical shift values Flashcards
1
Q
Alkyl RCH3
A
0-40 ppm
2
Q
Alkyl RCH2R
A
10-50 ppm
3
Q
Alkyl RCHR2
A
15-50 ppm
4
Q
Alkyl halide or amide (CH3)3C-X
A
10-65 ppm
5
Q
Alcohol or ether R3COR
A
50-90 ppm
6
Q
Alkyne -C=
A
60-90 ppm
7
Q
Alkene R2C=
A
100-170 ppm
8
Q
Aromatic carbon
A
100-170 ppm
9
Q
Nitriles -C=N
A
120-130 ppm
10
Q
Amides -CNR2
A
150-180 ppm
11
Q
Carboxylic acids, esters -COOH
A
160-185 ppm
12
Q
Aldehydes, ketones, C=O
A
182-215 ppm
