| Atom or Group | H | CH3 | C2H5 | (CH3)2CH | (CH3)3C | C6H5 | C6H5CH2 |
| H | 104 | 103 | 98 | 95 | 93 | 110 | 85 |
| CH3 | 103 | 88 | 85 | 84 | 81 | 101 | 73 |
| C2H5 | 98 | 85 | 82 | 81 | 78 | 99 | 71 |
| (CH3)2CH | 95 | 84 | 81 | 79 | 74 | 97 | 70 |
| (CH3)3C | 93 | 81 | 78 | 74 | 68 | 94 | 67 |
| C6H5 | 110 | 101 | 99 | 97 | 94 | 110 | 83 |
| C6H5CH2 | 85 | 73 | 71 | 70 | 67 | 83 | 59 |