13C NMR Shift Data for Common Impurities
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| Name | CD3CN | CDCl3 | toluene‑d8 | C6D6 | CD3OD | D2O | DMSO‑d6 | THF‑d8 | CD2Cl2 | acetone‑d6 | C6D5Cl | TFE‑d3 | |
| residual solvent | 118.3 | 77.2 | 137.5 | 128.1 | 49.0 | 39.5 | 67.2 | 53.8 | 206.3 | 134.2 | 126.3 | ||
| 1.3 | 128.9 | 25.3 | 29.8 | 61.5 | |||||||||
| 128.0 | |||||||||||||
| 125.1 | |||||||||||||
| 20.4 | |||||||||||||
| acetone | CO | 207.4 | 207.1 | 204.0 | 204.4 | 209.7 | 215.9 | 206.3 | 204.2 | 206.8 | 205.9 | 204.8 | 32.4 |
| acetic acid | CO | 173.2 | 176.0 | 175.3 | 175.8 | 175.1 | 177.2 | 171.9 | 171.7 | 175.9 | 172.3 | 175.7 | 178.0 |
| acetonitrile | CN | 118.3 | 116.4 | 115.8 | 116.0 | 118.1 | 119.7 | 117.9 | 116.8 | 116.9 | 117.6 | 115.9 | 119.0 |
| allyl acetate | CO | 170.8 | 169.4 | 169.7 | 172.4 | 174.8 | 170.0 | 170.1 | 170.8 | 170.6 | 169.6 | 176.0 | |
| allyl acetate | CHCH2 | 132.3 | 133.0 | 132.9 | 133.7 | 132.5 | 132.7 | 133.9 | 132.9 | 133.8 | 132.7 | 133.3 | |
| allyl acetate | CHCH2 | 118.3 | 117.5 | 117.6 | 118.2 | 119.0 | 117.6 | 117.6 | 118.0 | 117.8 | 117.6 | 119.4 | |
| allyl acetate | CH2 | 65.3 | 64.9 | 64.9 | 66.1 | 66.5 | 64.3 | 65.3 | 65.4 | 65.3 | 64.9 | 67.6 | |
| allyl acetate | CH3 | 21.0 | 20.2 | 20.4 | 20.7 | 21.0 | 20.5 | 20.5 | 21.1 | 20.7 | 20.4 | 21.1 | |
| benzaldehyde | HCO | 192.7 | 191.1 | 191.4 | 194.1 | 191.7 | 193.1 | 192.0 | 192.6 | 193.0 | 191.2 | 197.6 | |
| benzaldehyde | C(1) | 136.6 | 137.1 | 137.1 | 138.0 | 136.1 | 136.2 | 137.8 | 137.0 | 137.7 | 136.8 | 137.8 | |
| benzaldehyde | CH(2,6) | 129.9 | 129.6 | 129.7 | 130.6 | 130.1 | 129.5 | 130.0 | 130.0 | 130.2 | 129.5 | 131.8 | |
| benzaldehyde | CH(3,5) | 129.2 | 128.7 | 129.0 | 130.1 | 129.5 | 129.1 | 129.6 | 129.4 | 129.9 | 128.9 | 130.8 | |
| benzaldehyde | C(4) | 134.6 | 133.9 | 134.0 | 135.6 | 134.7 | 134.5 | 134.7 | 134.8 | 135.1 | 134.0 | 137.2 | |
| BHA | CH(3,5) | 110.7 | 111.0 | 111.2 | 111.3 | 109.8 | 110.9 | 110.9 | 111.0 | 110.8 | 112.9 | ||
| BHT | C(1) | 152.4 | 151.6 | 152.1 | 152.1 | 152.9 | 151.5 | 152.5 | 151.9 | 152.5 | 151.7 | 153.5 | |
| BHT | C(4) | 129.6 | 128.3 | 128.4 | 128.5 | 129.5 | 128.0 | 128.6 | 128.7 | 129.1 | 128.3 | 130.6 | |
| benzene | CH | 129.3 | 128.4 | 128.6 | 128.6 | 129.3 | 128.3 | 128.8 | 128.7 | 129.2 | 128.4 | 129.8 | |
| Name | CD3CN | CDCl3 | toluene‑d8 | C6D6 | CD3OD | D2O | DMSO‑d6 | THF‑d8 | CD2Cl2 | acetone‑d6 | C6D5Cl | TFE‑d3 | |
| BHT | CH(3,5) | 126.4 | 125.6 | 125.8 | 125.8 | 126.1 | 124.9 | 125.7 | 125.8 | 126.0 | 125.6 | 127.1 | |
| tert-butyl methyl ether | C | 73.2 | 72.9 | 72.4 | 74.3 | 75.6 | |||||||
| tert-butanol | (CH3)3C | 68.7 | 69.2 | 68.1 | 68.2 | 69.4 | 70.4 | 66.9 | 67.5 | 69.1 | 68.1 | 68.2 | 72.4 |
| tert-butyl methyl ether | OCH3 | 49.5 | 49.5 | 49.2 | 49.7 | 49.4 | |||||||
| BHA | C(1) | 152.6 | 153.5 | 153.6 | 154.3 | 152.5 | 154.1 | 153.1 | 154.0 | 153.2 | 153.7 | ||
| BHA | C(2,6) | 147.9 | 148.1 | 148.1 | 149.0 | 147.4 | 148.6 | 148.1 | 148.5 | 147.9 | 150.5 | ||
| BHA | C(4) | 137.4 | 137.3 | 137.5 | 141.4 | 141.2 | 140.1 | 137.8 | 140.3 | 137.3 | 140.2 | ||
| BHA | CH3O | 55.7 | 55.0 | 55.3 | 56.0 | 54.9 | 55.4 | 55.9 | 55.5 | 55.1 | 57.6 | ||
| BHA | (CH3)3C | 30.3 | 30.3 | 30.4 | 30.8 | 30.3 | 30.7 | 30.4 | 30.6 | 30.2 | 30.8 | ||
| BHA | (CH3)3C | 34.7 | 34.7 | 34.7 | 35.8 | 34.8 | 35.5 | 34.9 | 35.5 | 34.6 | 36.1 | ||
| BHT | C(2,6) | 138.1 | 135.9 | 136.1 | 136.1 | 139.1 | 139.1 | 137.9 | 136.3 | 138.2 | 135.9 | 138.6 | |
| carbon dioxide | CO2 | 125.0 | 124.9 | 124.8 | 126.3 | 124.2 | 125.7 | 125.3 | 125.8 | 126.1 | 126.9 | ||
| carbon disulfide | CS2 | 192.8 | 192.7 | 192.7 | 193.8 | 197.3 | 192.6 | 193.4 | 193.0 | 193.6 | 192.5 | 196.3 | |
| carbon tetrachloride | CCl4 | 96.3 | 96.6 | 96.4 | 97.2 | 96.7 | 95.4 | 96.9 | 96.5 | 96.7 | 96.4 | 97.7 | |
| chloroform | CH | 79.2 | 77.4 | 77.9 | 77.8 | 79.4 | 79.2 | 79.2 | 78.0 | 79.2 | 77.7 | 78.8 | |
| 18-crown-6 | CH2 | 70.6 | 70.9 | 70.6 | 71.5 | 70.1 | 69.9 | 71.3 | 70.5 | 71.3 | 70.6 | 70.8 | |
| cyclohexanone | CO | 212.6 | 208.6 | 209.1 | 214.7 | 221.2 | 210.6 | 208.8 | 211.8 | 210.4 | 209.3 | 221.3 | |
| cyclohexanone | CH2(2,6) | 42.0 | 41.8 | 41.8 | 42.6 | 42.0 | 41.3 | 42.2 | 42.3 | 42.2 | 41.8 | 43.2 | |
| cyclohexanone | CH2(3,5) | 27.0 | 27.1 | 27.0 | 28.2 | 27.5 | 26.5 | 27.7 | 27.5 | 27.7 | 27.0 | 28.6 | |
| cyclohexanone | CH2(4) | 25.0 | 25.2 | 25.0 | 25.9 | 24.8 | 24.3 | 25.8 | 25.4 | 25.6 | 25.1 | 26.0 | |
| carbonate | CO | 154.9 | 155.2 | 155.2 | 156.3 | 157.8 | 154.2 | 155.4 | 155.2 | 155.5 | 154.9 | 157.4 | |
| carbonate | CHCH2 | 131.6 | 132.3 | 132.2 | 133.3 | 132.8 | 132.2 | 133.1 | 132.2 | 133.2 | 131.9 | 132.7 | |
| carbonate | CHCH2 | 119.0 | 118.0 | 118.2 | 118.7 | 118.8 | 118.3 | 117.7 | 118.8 | 118.5 | 118.2 | 120.2 | |
| carbonate | CH2 | 68.6 | 68.2 | 68.3 | 69.4 | 68.8 | 67.9 | 68.6 | 68.8 | 68.8 | 68.2 | 70.7 | |
| Name | CD3CN | CDCl3 | toluene‑d8 | C6D6 | CD3OD | D2O | DMSO‑d6 | THF‑d8 | CD2Cl2 | acetone‑d6 | C6D5Cl | TFE‑d3 | |
| dimethylacetamide | CO | 171.3 | 171.1 | 169.7 | 170.0 | 173.3 | 174.6 | 169.5 | 169.8 | 171.1 | 170.6 | 169.8 | 175.7 |
| diglyme | CH2 | 72.6 | 71.9 | 72.4 | 72.4 | 72.9 | 71.6 | 71.3 | 72.7 | 72.3 | 72.6 | 72.1 | 71.3 |
| 1,2-dimethoxyethane | CH2 | 72.5 | 71.8 | 72.3 | 72.2 | 72.7 | 71.5 | 71.2 | 72.6 | 72.2 | 72.5 | 71.8 | 72.9 |
| diglyme | CH2 | 71.0 | 70.5 | 70.9 | 70.9 | 71.3 | 70.1 | 69.5 | 71.2 | 70.7 | 71.0 | 70.6 | 73.1 |
| diethyl ether | CH2 | 66.3 | 65.9 | 65.9 | 65.9 | 66.9 | 66.4 | 62.1 | 66.1 | 66.1 | 66.1 | 65.8 | 67.6 |
| diglyme | CH3 | 58.9 | 59.0 | 58.6 | 58.7 | 59.1 | 58.7 | 58.0 | 58.7 | 59.0 | 58.8 | 58.4 | 59.4 |
| 1,2-dimethoxyethane | CH3 | 58.9 | 59.1 | 58.6 | 58.7 | 59.1 | 58.7 | 58.0 | 58.7 | 59.0 | 58.5 | 58.3 | 59.5 |
| dichloromethane | CH2 | 55.3 | 53.5 | 53.5 | 53.5 | 54.8 | 54.8 | 54.7 | 54.2 | 55.0 | 53.5 | 54.5 | |
| dimethyl carbonate | CO | 156.5 | 156.6 | 156.7 | 157.9 | 164.0 | 155.8 | 156.9 | 156.7 | 157.0 | 156.4 | 159.0 | |
| dimethyl carbonate | CH3 | 54.9 | 54.1 | 54.3 | 55.3 | 55.8 | 54.6 | 54.6 | 55.1 | 55.0 | 54.2 | 56.2 | |
| dimethyl malonate | CO2 | 167.2 | 166.5 | 166.7 | 168.7 | 170.1 | 166.9 | 167.1 | 167.3 | 167.6 | 166.5 | 170.9 | |
| dimethyl malonate | CH3 | 52.6 | 51.8 | 51.9 | 52.8 | 53.7 | 52.1 | 52.1 | 52.8 | 52.5 | 51.9 | 54.0 | |
| dimethyl malonate | CH2 | 41.1 | 40.9 | 41.0 | 41.6 | 42.1 | 40.7 | 41.2 | 41.5 | 41.4 | 40.9 | 42.1 | |
| ethyl methyl ketone | CO | 209.9 | 209.6 | 206.3 | 206.6 | 212.2 | 218.4 | 208.7 | 207.1 | 209.6 | 208.3 | 206.9 | 218.3 |
| ethyl acetate | CO | 171.7 | 171.4 | 170.0 | 170.4 | 172.9 | 175.3 | 170.3 | 170.3 | 171.2 | 171.0 | 170.2 | 175.6 |
| dimethylformamide | CH | 163.3 | 162.6 | 161.9 | 162.1 | 164.7 | 165.5 | 162.3 | 162.0 | 162.6 | 162.8 | 162.0 | 166.0 |
| 1,4-dioxane | CH2 | 67.7 | 67.1 | 67.2 | 67.2 | 68.1 | 67.2 | 66.4 | 67.7 | 67.5 | 67.6 | 67.0 | 68.5 |
| ethane | CH3 | 6.9 | 6.9 | 7.0 | 7.0 | 6.6 | 6.8 | 6.9 | 6.9 | 6.9 | 7.0 | ||
| ethylene glycol | CH2 | 64.2 | 63.8 | 64.3 | 64.3 | 64.3 | 63.2 | 62.8 | 64.4 | 64.1 | 64.3 | 64.0 | 64.9 |
| ethyl acetate | CH2 | 61.0 | 60.5 | 60.1 | 60.2 | 61.5 | 62.3 | 59.7 | 60.3 | 60.6 | 60.6 | 60.1 | 62.7 |
| ethanol | CH2 | 58.0 | 58.3 | 57.8 | 57.9 | 58.3 | 58.1 | 56.1 | 57.6 | 58.6 | 57.7 | 57.6 | 59.7 |
| ethylene | CH2 | 123.1 | 122.9 | 123.0 | 123.5 | 123.5 | 123.1 | 123.2 | 123.5 | 123.0 | 124.1 | ||
| furan | CH(2,5) | 142.7 | 142.7 | 142.7 | 143.7 | 143.6 | 142.8 | 143.3 | 143.0 | 143.5 | 142.5 | 144.2 | |
| furan | CH(3,4) | 109.6 | 109.6 | 109.7 | 110.3 | 110.2 | 109.6 | 109.9 | 109.9 | 110.2 | 109.6 | 111.1 | |
| Name | CD3CN | CDCl3 | toluene‑d8 | C6D6 | CD3OD | D2O | DMSO‑d6 | THF‑d8 | CD2Cl2 | acetone‑d6 | C6D5Cl | TFE‑d3 | |
| H grease | CH2 | 29.7 | 30.3 | 30.2 | 30.5 | 30.1 | 30.1 | ||||||
| hexamethylbenzene | C | 132.2 | 131.7 | 131.8 | 132.5 | 131.1 | 131.9 | 132.1 | 132.2 | 131.5 | 134.0 | ||
| hexamethylbenzene | CH3 | 17.0 | 16.8 | 17.0 | 16.9 | 16.6 | 16.7 | 16.9 | 16.9 | 16.7 | 17.0 | ||
| hexamethyldisiloxane | CH3 | 2.0 | 2.0 | 2.1 | 2.0 | 2.3 | 2.0 | 1.8 | 2.0 | 2.0 | 1.9 | 2.1 | |
| imidazole | CH(2) | 135.4 | 135.6 | 135.8 | 136.3 | 136.7 | 135.2 | 135.7 | 135.8 | 135.9 | 135.5 | 136.6 | |
| imidazole | CH(4,5) | 122.0 | 122.1 | 122.2 | 122.6 | 122.4 | 121.6 | 122.2 | 122.2 | 122.3 | 122.0 | 122.9 | |
| methane | CH4 | -4.6 | -4.3 | -4.3 | -4.9 | -4.0 | -4.9 | -4.3 | -5.3 | -4.3 | -5.9 | ||
| nitromethane | CH3 | 63.7 | 62.5 | 61.1 | 61.2 | 63.1 | 63.2 | 63.3 | 62.5 | 63.0 | 63.2 | 61.7 | 63.2 |
| methanol | CH3 | 49.9 | 50.4 | 49.9 | 50.0 | 49.9 | 49.5 | 48.6 | 49.6 | 50.5 | 49.8 | 49.7 | 50.7 |
| propane | CH3 | 16.6 | 16.7 | 16.7 | 16.8 | 16.3 | 16.6 | 16.6 | 16.7 | 16.6 | 16.9 | ||
| propane | CH2 | 16.4 | 16.6 | 16.6 | 17.2 | 15.7 | 16.8 | 16.6 | 16.8 | 16.5 | 17.5 | ||
| 2-propanol | CH | 64.3 | 64.5 | 64.1 | 64.2 | 64.7 | 64.9 | 64.9 | 66.1 | 64.7 | 63.9 | 64.2 | 66.7 |
| propylene | CH3 | 19.5 | 19.3 | 19.4 | 19.5 | 19.2 | 19.3 | 19.5 | 19.4 | 19.3 | 19.6 | ||
| propylene | CH2 | 115.7 | 115.9 | 115.9 | 116.0 | 116.1 | 115.7 | 115.7 | 116.0 | 115.9 | 116.4 | ||
| propylene | CH | 133.9 | 133.6 | 133.7 | 134.6 | 133.6 | 134.0 | 134.2 | 134.3 | 133.6 | 136.0 | ||
| pump oil | CH2 | 29.8 | 30.3 | 30.2 | 31.4 | 29.3 | 30.6 | 30.1 | 30.4 | 30.1 | 31.9 | ||
| pyridine | CH(2,6) | 150.8 | 149.9 | 150.3 | 150.3 | 150.1 | 149.2 | 149.6 | 150.6 | 150.3 | 150.7 | 149.9 | 149.8 |
| pyridine | CH(4) | 136.9 | 136.0 | 135.2 | 135.3 | 138.4 | 138.3 | 136.1 | 136.0 | 136.2 | 136.6 | 135.3 | 139.6 |
| pyridine | CH(3,5) | 127.8 | 123.8 | 123.5 | 123.6 | 125.5 | 125.1 | 123.8 | 124.1 | 124.1 | 124.6 | 123.5 | 126.3 |
| pyrrole | CH(2,5) | 117.8 | 117.6 | 117.8 | 118.3 | 119.1 | 117.3 | 118.0 | 117.9 | 118.0 | 117.7 | 119.6 | |
| pyrrole | CH(3,4) | 108.0 | 108.2 | 108.2 | 108.1 | 107.8 | 107.1 | 107.7 | 108.0 | 108.0 | 108.0 | 108.9 | |
| pyrrolidine | CH2(2,5) | 46.9 | 47.1 | 46.9 | 47.2 | 46.8 | 46.5 | 45.8 | 47.0 | 46.8 | 47.4 | ||
| pyrrolidine | CH2(3,4) | 25.6 | 25.8 | 25.7 | 26.3 | 25.9 | 25.3 | 26.2 | 25.8 | 25.6 | 25.7 | ||
| Name | CD3CN | CDCl3 | toluene‑d8 | C6D6 | CD3OD | D2O | DMSO‑d6 | THF‑d8 | CD2Cl2 | acetone‑d6 | C6D5Cl | TFE‑d3 | |
| silicone grease | CH3 | 1.0 | 1.4 | 1.4 | 2.1 | 1.2 | 1.2 | 1.4 | 1.1 | 2.9 | |||
| toluene | C(1) | 138.9 | 137.9 | 137.8 | 137.9 | 138.9 | 137.4 | 138.2 | 138.4 | 138.5 | 137.7 | 139.9 | |
| toluene | CH(2,6) | 129.9 | 129.1 | 129.3 | 129.3 | 129.9 | 128.9 | 129.5 | 129.4 | 129.8 | 129.1 | 130.6 | |
| toluene | CH(3,5) | 129.2 | 128.3 | 128.5 | 128.6 | 129.2 | 128.2 | 128.7 | 128.5 | 129.0 | 128.3 | 129.8 | |
| toluene | CH(4) | 126.3 | 125.3 | 125.7 | 125.7 | 126.3 | 125.3 | 125.8 | 125.6 | 126.1 | 125.4 | 126.8 | |
| tetrahydrofuran | CH2(2,5) | 68.3 | 68.0 | 67.8 | 67.8 | 68.8 | 68.7 | 67.0 | 68.0 | 68.2 | 68.1 | 67.6 | 69.5 |
| triethylamine | CH2 | 47.1 | 46.3 | 46.8 | 46.8 | 47.0 | 47.2 | 45.7 | 47.2 | 46.8 | 47.1 | 46.4 | 48.5 |
| 1,2-dichloroethane | CH2 | 45.5 | 43.5 | 43.4 | 43.6 | 45.1 | 45.0 | 44.6 | 44.4 | 45.3 | 43.6 | 45.3 | |
| dimethyl sulfoxide | CH3 | 41.3 | 40.8 | 40.4 | 40.0 | 40.5 | 39.4 | 40.5 | 41.2 | 41.3 | 41.2 | 40.3 | 40.1 |
| dimethylacetamide | NCH3 | 38.3 | 38.1 | 37.0 | 37.0 | 38.4 | 38.8 | 37.4 | 37.6 | 38.2 | 37.9 | 37.1 | 39.1 |
| HMPA | CH3 | 37.1 | 36.9 | 36.8 | 36.9 | 37.0 | 36.5 | 36.4 | 36.9 | 37.0 | 37.0 | 36.6 | 37.2 |
| ethyl methyl ketone | CH2CH3 | 37.1 | 36.9 | 36.3 | 36.4 | 37.3 | 37.3 | 35.8 | 36.6 | 37.0 | 36.8 | 36.4 | 38.2 |
| dimethylformamide | CH3 | 36.6 | 36.5 | 35.2 | 35.3 | 36.9 | 37.5 | 35.7 | 35.7 | 36.6 | 36.2 | 35.5 | 37.8 |
| dimethylacetamide | NCH3 | 35.2 | 35.3 | 34.6 | 34.7 | 35.5 | 35.0 | 34.4 | 34.6 | 35.2 | 34.9 | 34.6 | 36.3 |
| BHT | (CH3)3C | 35.1 | 34.3 | 34.4 | 34.4 | 35.4 | 34.3 | 34.9 | 34.6 | 35.0 | 34.1 | 35.7 | |
| n-pentane | CH2(3) | 34.9 | 34.2 | 34.5 | 34.5 | 35.3 | 33.5 | 34.9 | 34.6 | 34.8 | 34.3 | 35.8 | |
| n-hexane | CH2(3,4) | 32.4 | 31.6 | 32.1 | 32.0 | 32.7 | 31.0 | 32.3 | 32.0 | 32.3 | 31.8 | 33.2 | |
| BHT | (CH3)3C | 31.5 | 30.3 | 31.4 | 31.3 | 31.2 | 31.3 | 31.6 | 30.5 | 31.6 | 30.2 | 31.0 | |
| dimethylformamide | CH3 | 31.3 | 31.5 | 30.6 | 30.7 | 31.6 | 32.0 | 30.7 | 30.7 | 31.4 | 31.0 | 30.7 | 31.0 |
| acetone | CH3 | 30.9 | 30.9 | 30.0 | 30.1 | 30.7 | 30.9 | 30.6 | 30.2 | 31.0 | 30.6 | 30.1 | 215.0 |
| “grease�? | 30.9 | 29.8 | 30.2 | 31.3 | |||||||||
| tert-butanol | (CH3)3C | 30.7 | 31.3 | 30.5 | 30.5 | 30.9 | 30.3 | 30.4 | 30.6 | 31.5 | 30.7 | 31.1 | 31.1 |
| ethyl methyl ketone | CH3CO | 29.6 | 29.5 | 28.7 | 28.6 | 29.4 | 29.5 | 29.3 | 28.9 | 29.6 | 29.3 | 28.8 | 29.6 |
| Name | CD3CN | CDCl3 | toluene‑d8 | C6D6 | CD3OD | D2O | DMSO‑d6 | THF‑d8 | CD2Cl2 | acetone‑d6 | C6D5Cl | TFE‑d3 | |
| cyclohexane | CH2 | 27.6 | 26.9 | 27.3 | 27.2 | 28.0 | 26.3 | 27.6 | 27.4 | 27.5 | 27.0 | 28.3 | |
| tert-butyl methyl ether | CH3 | 27.3 | 27.0 | 27.1 | 27.2 | 26.6 | |||||||
| tetrahydrofuran | CH2(3,4) | 26.3 | 25.6 | 25.8 | 25.7 | 26.5 | 25.7 | 25.1 | 26.2 | 26.0 | 26.2 | 25.7 | 26.7 |
| 2-propanol | CH3 | 25.6 | 25.1 | 25.2 | 25.2 | 25.3 | 24.4 | 25.4 | 25.7 | 25.4 | 25.7 | 25.1 | 25.2 |
| n-hexane | CH2(2,5) | 23.4 | 22.7 | 23.1 | 23.0 | 23.7 | 22.1 | 23.3 | 23.1 | 23.3 | 22.9 | 24.1 | |
| n-pentane | CH2(2,4) | 23.1 | 22.4 | 22.8 | 22.7 | 23.4 | 21.7 | 23.0 | 22.8 | 23.0 | 22.5 | 23.8 | |
| dimethylacetamide | CH3 | 21.8 | 21.5 | 21.1 | 21.2 | 21.3 | 21.1 | 21.3 | 21.2 | 21.6 | 21.5 | 21.0 | 21.4 |
| toluene | CH3 | 21.5 | 21.5 | 21.4 | 21.1 | 21.5 | 21.0 | 21.3 | 21.5 | 21.5 | 21.2 | 21.6 | |
| BHT | CH3Ar | 21.2 | 21.2 | 21.4 | 21.4 | 21.4 | 21.0 | 21.2 | 21.3 | 21.3 | 21.1 | 21.3 | |
| ethyl acetate | CH3CO | 21.2 | 21.0 | 20.5 | 20.6 | 20.9 | 21.2 | 20.7 | 20.5 | 21.2 | 20.8 | 20.5 | 21.2 |
| acetic acid | CH3 | 20.7 | 20.8 | 20.3 | 20.4 | 20.6 | 21.0 | 21.0 | 20.1 | 20.9 | 20.5 | 20.4 | 20.9 |
| ethanol | CH3 | 18.8 | 18.4 | 18.8 | 18.7 | 18.4 | 17.5 | 18.5 | 18.9 | 18.7 | 18.9 | 18.6 | 18.1 |
| diethyl ether | CH3 | 15.6 | 15.2 | 15.5 | 15.5 | 15.5 | 14.8 | 15.1 | 15.5 | 15.4 | 15.8 | 15.4 | 15.3 |
| ethyl acetate | CH3 | 14.5 | 14.2 | 14.2 | 14.2 | 14.5 | 13.9 | 14.4 | 14.4 | 14.4 | 14.5 | 14.1 | 14.4 |
| n-hexane | CH3 | 14.4 | 14.1 | 14.3 | 14.3 | 14.5 | 13.9 | 14.2 | 14.3 | 14.3 | 14.2 | 14.6 | |
| n-pentane | CH3 | 14.4 | 14.1 | 14.3 | 14.3 | 14.4 | 13.3 | 14.2 | 14.2 | 14.3 | 14.1 | 14.5 | |
| triethylamine | CH3 | 12.4 | 11.6 | 12.4 | 12.4 | 11.1 | 9.1 | 11.7 | 12.5 | 12.1 | 12.5 | 11.9 | 9.5 |
| ethyl methyl ketone | CH2CH3 | 8.1 | 7.9 | 7.9 | 7.9 | 8.1 | 7.9 | 7.6 | 7.9 | 7.9 | 8.0 | 7.8 | 8.3 |
| acetonitrile | CH3 | 1.8 | 1.9 | 0.0 | 0.2 | 0.9 | 1.5 | 1.0 | 0.5 | 2.0 | 1.1 | 0.6 | 1.0 |
| Name | CD3CN | CDCl3 | toluene‑d8 | C6D6 | CD3OD | D2O | DMSO‑d6 | THF‑d8 | CD2Cl2 | acetone‑d6 | C6D5Cl | TFE‑d3 |