| Nucleus | Spin | Abundance | Receptivity (1H) | 400 Mercury (MHz) | 400 SGM (MHz) | 500 Varian (MHz) | 600 Varian (MHz) | Shift Range (ppm) |
| 77Se | 1/2 | 7.63% | 0.000537 | — | 76.328 | 95.339 | 114.423 | -1000 -> 2000 |
| Nucleus | Spin | Abundance | Receptivity (1H) | 400 Mercury (MHz) | 400 SGM (MHz) | 500 Varian (MHz) | 600 Varian (MHz) | Shift Range (ppm) |
| 77Se | 1/2 | 7.63% | 0.000537 | — | 76.328 | 95.339 | 114.423 | -1000 -> 2000 |