| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 127Pm | 61 | 66 | 5/2 | |
| 128Pm | 61 | 67 | 6 | |
| 129Pm | 61 | 68 | 5/2 | |
| 131Pm | 61 | 70 | 5/2 | |
| 132Pm | 61 | 71 | 3 | |
| 133Pm | 61 | 72 | 3/2 | |
| 133mPm | 61 | 72 | -11/2 | |
| 134mPm | 61 | 73 | 2 | |
| 134Pm | 61 | 73 | 5 | |
| 135mPm | 61 | 74 | -11/2 | |
| 135Pm | 61 | 74 | 3/2 | |
| 136mPm | 61 | 75 | 2 | |
| 136Pm | 61 | 75 | -5 | |
| 137mPm | 61 | 76 | -11/2 | |
| 137Pm | 61 | 76 | 5/2 | |
| 138mPm | 61 | 77 | -5 | |
| 138Pm | 61 | 77 | 1 | |
| 139mPm | 61 | 78 | -11/2 | |
| 139Pm | 61 | 78 | 5/2 | |
| 140Pm | 61 | 79 | 1 | |
| 140mPm | 61 | 79 | -8 | |
| 141Pm | 61 | 80 | 5/2 | |
| 141m1Pm | 61 | 80 | -11/2 | |
| 142mPm | 61 | 81 | -8 | |
| 142Pm | 61 | 81 | 1 | |
| 143Pm | 61 | 82 | 5/2 | |
| 144Pm | 61 | 83 | -5 | |
| 144m1Pm | 61 | 83 | 9 | |
| 144m2Pm | 61 | 83 | 27 | |
| 145Pm | 61 | 84 | 5/2 | |
| 146Pm | 61 | 85 | -3 | |
| 147Pm | 61 | 86 | 7/2 | |
| 148Pm | 61 | 87 | -1 | |
| 149Pm | 61 | 88 | 7/2 | |
| 149mPm | 61 | 88 | -11/2 | |
| 150Pm | 61 | 89 | -1 | |
| 151Pm | 61 | 90 | 5/2 | |
| 152m1Pm | 61 | 91 | -4 | |
| 152Pm | 61 | 91 | 1 | |
| 152m2Pm | 61 | 91 | -8 | |
| 153Pm | 61 | 92 | -5/2 | |
| 154Pm | 61 | 93 | -2 | |
| 155Pm | 61 | 94 | -5/2 | |
| 156Pm | 61 | 95 | -4 | |
| 157Pm | 61 | 96 | -5/2 | |
| 158Pm | 61 | 97 | -3 | |
| 159Pm | 61 | 98 | -5/2 | |
| 160Pm | 61 | 99 | -3 | |
| 161Pm | 61 | 100 | -5/2 | |
| 162Pm | 61 | 101 | -3 | |
| 163Pm | 61 | 102 | -5/2 |