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13C chemical shifts

13C chemical shifts

SiMe4 = 0 ppm

All chemical shifts given in ppm!

Source: Rauscher, Voigt, Wilke, Wilke

Chemische Tabellen und Rechentafeln für die analytische Praxis

Type chemical shift range
cyclopropyl 60 to 5
CH3– (primary) 0 to 30
CH3-Hal 0 to 35
-CH2-Hal 0 to 45
CR3 – CR3 alkane 5 to 55
CH3-S- 10 to 30
CH3-N< 20 to 40
-CH2-S- 25 to 45
-CH2– (secondary) 25 to 45
>CH- (tertiary) 30 to 60
>CH-Hal 30 to 65
CR4 (quarternary) 35 to 70
CR3-Hal 35 to 75
>CH-S- 40 to 55
-CH2-N< 40 to 60
CH3-O- 40 to 60
-CH2-O- 40 to 70
>CH-N< 50 to 70
CR3-S- 55 to 70
>CH-O- 60 to 75
>C-N< 65 to 75
CR3-O- 70 to 85
-C≡C- (alkines) 70 to 100
-O-C≡N (cyanates) 105 to120
-S-C≡N (thiocyanates) 110 to 120
-C≡N (cyanides) 110 to 130
>C=C< (alkene) 110 to 150
>C=C< (aromats) 110 to 135
-N=C=O (isocyanates) 115 to 135
>C=C< (heteroaromates) 115 to 140
-X-C=C< (aromates) 125 to 145
C≡N- (isocyanides) 130 to 150
-X-C=C< (heteroaromates) 135 to 155
>C=N- (azomethines) 145 to 165
O=C(NR2)2 (ureas) 150 to 170
O=C(OR)2 (carbonates) 150 to 160
(-CO)2O (anhydrides) 150 to 175
>C=NOH (oximes) 155 to 165
-C(=O)OR (esters) 155 to 175
-CO-NHR (amides) 160 to 170
-COOH (carbon acid) 160
>C=O (α-haloketones) 160 to 200
-COCl (acid chlorides) 165 to 185
(-CO)2NR (acid imides) 165 to 180
S=C(NR2)2 (thioureas) 165 to 185
-CH=O (α-haloaldehydes/ α,β- unsaturated aldehydes) 170 to 190 / 175 to 195
=C= 175 to 200
-CH=O (aldehydes) 175 to 205
>C=S (thioketones)
>C=O (ketones) 175 to 225
-C=O (α,β- unsaturated ketones) 180 to 215

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