NMR delta values

Question 1

-CH3

methyl

Answer 1

0.9

Question 2

-CH2-

methylene

Answer 2

1.3

Question 3

-CH(-)-

methine

Answer 3

1.4

Question 4

-C(=O)-CH3

methyl ketone

Answer 4

2.1

Question 5

-C(trip)C-H

acetylenic

Answer 5

2.5

Question 6

R-CH2-X or R-CH2-O

Answer 6

3-4

Question 7

R2C=CRH

vinyl

Answer 7

5-6

Question 8

R2C=CRCH3

allylic

Answer 8

1.7

Question 9

Ph-H

aromatic

Answer 9

7.2

Question 10

Ph-CH3

benyzlic

Answer 10

2.3

Question 11

R-C(=O)-H

aldehyde

Answer 11

9-10

Question 12

R-C(=O)-OH

acid

Answer 12

10-12 (broad)

Question 13

R-OH

alcohol

Answer 13

variable; 2-5 (broad)

Question 14

Ph-OH

phenol

Answer 14

variable; 4-7 (broad)

Question 15

R-NH2

amine

Answer 15

variable; 1.5-4 (broad)

Question 16

ethyl group signature

Answer 16

downshifted 1-3-3-1 quartet

Question 17

R2HC-CHR2

coupling constant

Answer 17

7 Hz

Question 18

cis RHC=CHR

coupling constant

Answer 18

10 Hz

Question 19

trans RHC=CHR

coupling constant

Answer 19

15 Hz

Question 20

geminal R2C=CH2

coupling constant

Answer 20

2 Hz

Question 21

ortho ring

coupling constant

Answer 21

8 Hz

Question 22

meta ring

coupling constant

Answer 22

2 Hz

Question 23

allylic C=C-CH

coupling constant

Answer 23

6 Hz

Question 24

carbonyl

13C-NMR region

Answer 24

160-210

Question 25

aromatic C

13C-NMR region

Answer 25

110-150

Question 26

alkene

13C-NMR region

Answer 26

100-150

Question 27

alkyne

13C-NMR region

Answer 27

75-95

Question 28

C-O

13C-NMR region

Answer 28

55-90

Question 29

C-Cl, C-Br

13C-NMR region

Answer 29

30-65

Question 30

Alkane

13C-NMR region

Answer 30

0-35

Question 31

R2CH-NH2

H alpha to amine

Answer 31

2-3

further out are downshifted

Question 32

C-NR2

13C-NMR region

Answer 32

30-50

Question 33

R2CH-COOH/H/R

alpha to carbonyl

Answer 33

2-2.5

further out are downshifted