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 |