| Proton | Neutron | Nuclear Spin | Energy State | |
|---|---|---|---|---|
| 164Ir | 77 | 87 | -2 | |
| 164mIr | 77 | 87 | 9 | |
| 165mIr | 77 | 88 | -11/2 | |
| 165Ir | 77 | 88 | 1/2 | |
| 166mIr | 77 | 89 | 9 | |
| 166Ir | 77 | 89 | -2 | |
| 167Ir | 77 | 90 | 1/2 | |
| 167mIr | 77 | 90 | -11/2 | |
| 169mIr | 77 | 92 | -11/2 | |
| 169Ir | 77 | 92 | 1/2 | |
| 171Ir | 77 | 94 | 1/2 | |
| 171mIr | 77 | 94 | -11/2 | |
| 172Ir | 77 | 95 | 3 | |
| 172mIr | 77 | 95 | 7 | |
| 173Ir | 77 | 96 | 5/2 | |
| 174mIr | 77 | 97 | 7 | |
| 174Ir | 77 | 97 | 3 | |
| 175Ir | 77 | 98 | -5/2 | |
| 176Ir | 77 | 99 | -3 | |
| 177Ir | 77 | 100 | -5/2 | |
| 178Ir | 77 | 101 | -4 | |
| 179Ir | 77 | 102 | -5/2 | |
| 180Ir | 77 | 103 | 5 | |
| 181Ir | 77 | 104 | -5/2 | |
| 182Ir | 77 | 105 | 3 | |
| 183Ir | 77 | 106 | -5/2 | |
| 184m1Ir | 77 | 107 | 3 | |
| 184Ir | 77 | 107 | -5 | |
| 184m2Ir | 77 | 107 | 7 | |
| 185Ir | 77 | 108 | -5/2 | |
| 186mIr | 77 | 109 | -2 | |
| 186Ir | 77 | 109 | 5 | |
| 187m1Ir | 77 | 110 | -9/2 | |
| 187m2Ir | 77 | 110 | -11/2 | |
| 187Ir | 77 | 110 | 3/2 | |
| 188Ir | 77 | 111 | -1 | |
| 188mIr | 77 | 111 | 7 | |
| 189m1Ir | 77 | 112 | -11/2 | |
| 189m2Ir | 77 | 112 | 25/2 | |
| 189Ir | 77 | 112 | 3/2 | |
| 190Ir | 77 | 113 | -4 | |
| 190m3Ir | 77 | 113 | -11 | |
| 190m1Ir | 77 | 113 | -1 | |
| 191Ir | 77 | 114 | 3/2 | Stable |
| 191m1Ir | 77 | 114 | -11/2 | |
| 192m1Ir | 77 | 115 | -1 | |
| 192m2Ir | 77 | 115 | -11 | |
| 192Ir | 77 | 115 | 4 | |
| 193Ir | 77 | 116 | 3/2 | Stable |
| 193mIr | 77 | 116 | -11/2 | |
| 194Ir | 77 | 117 | -1 | |
| 194m1Ir | 77 | 117 | 4 | |
| 195Ir | 77 | 118 | 3/2 | |
| 195mIr | 77 | 118 | -11/2 | |
| 196Ir | 77 | 119 | 0 | |
| 197mIr | 77 | 120 | -11/2 | |
| 197Ir | 77 | 120 | 3/2 | |
| 198Ir | 77 | 121 | 2 | |
| 199Ir | 77 | 122 | 3/2 |