Proton NMR Chemical Shifts

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CHARACTERISTIC PROTON CHEMICAL SHIFTS
Type of Proton Structure Chemical Shift, ppm
Cyclopropane C3H6 0.2
Primary R-CH3 0.9
Secondary R2-CH2 1.3
Tertiary R3-C-H 1.5
Vinylic C=C-H 4.6-5.9
Acetylenic triple bond,CC-H 2-3
Aromatic Ar-H 6-8.5
Benzylic Ar-C-H 2.2-3
Allylic C=C-CH3 1.7
Fluorides H-C-F 4-4.5
Chlorides H-C-Cl 3-4
Bromides H-C-Br 2.5-4
Iodides H-C-I 2-4
Alcohols H-C-OH 3.4-4
Ethers H-C-OR 3.3-4
Esters RCOO-C-H 3.7-4.1
Esters H-C-COOR 2-2.2
Acids H-C-COOH 2-2.6
Carbonyl Compounds H-C-C=O 2-2.7
Aldehydic R-(H-)C=O 9-10
Hydroxylic R-C-OH 1-5.5
Phenolic Ar-OH 4-12
Enolic C=C-OH 15-17
Carboxylic RCOOH 10.5-12
Amino RNH2 1-5