ヨウ素の同位体
一覧

| 同位体核種 | Z(p)> 励起エネルギー | N(n)> 励起エネルギー | 同位体質量 (u)> 励起エネルギー | 半減期 | 核スピン数 | 天然存在比 | 天然存在比 (範囲) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 108I | 53 | 55 | 107.94348(39)# | 36(6) ms | (1)# |  |  |
| 109I | 53 | 56 | 108.93815(11) | 103(5) µs | (5/2+) |  |  |
| 110I | 53 | 57 | 109.93524(33)# | 650(20) ms | 1+# |  |  |
| 111I | 53 | 58 | 110.93028(32)# | 2.5(2) s | (5/2+)# |  |  |
| 112I | 53 | 59 | 111.92797(23)# | 3.42(11) s |  |  |  |
| 113I | 53 | 60 | 112.92364(6) | 6.6(2) s | 5/2+# |  |  |
| 114I | 53 | 61 | 113.92185(32)# | 2.1(2) s | 1+ |  |  |
| 114mI | 265.9(5) keV | 265.9(5) keV | 265.9(5) keV | 6.2(5) s | (7) |  |  |
| 115I | 53 | 62 | 114.91805(3) | 1.3(2) min | (5/2+)# |  |  |
| 116I | 53 | 63 | 115.91681(10) | 2.91(15) s | 1+ |  |  |
| 116mI | 400(50)# keV | 400(50)# keV | 400(50)# keV | 3.27(16) µs | (7-) |  |  |
| 117I | 53 | 64 | 116.91365(3) | 2.22(4) min | (5/2)+ |  |  |
| 118I | 53 | 65 | 117.913074(21) | 13.7(5) min | 2- |  |  |
| 118mI | 190.1(10) keV | 190.1(10) keV | 190.1(10) keV | 8.5(5) min | (7-) |  |  |
| 119I | 53 | 66 | 118.91007(3) | 19.1(4) min | 5/2+ |  |  |
| 120I | 53 | 67 | 119.910048(19) | 81.6(2) min | 2- |  |  |
| 120m1I | 72.61(9) keV | 72.61(9) keV | 72.61(9) keV | 228(15) ns | (1+,2+,3+) |  |  |
| 120m2I | 320(15) keV | 320(15) keV | 320(15) keV | 53(4) min | (7-) |  |  |
| 121I | 53 | 68 | 120.907367(11) | 2.12(1) h | 5/2+ |  |  |
| 121mI | 2376.9(4) keV | 2376.9(4) keV | 2376.9(4) keV | 9.0(15) µs |  |  |  |
| 122I | 53 | 69 | 121.907589(6) | 3.63(6) min | 1+ |  |  |
| 123I | 53 | 70 | 122.905589(4) | 13.2235(19) h | 5/2+ |  |  |
| 124I | 53 | 71 | 123.9062099(25) | 4.1760(3) d | 2- |  |  |
| 125I | 53 | 72 | 124.9046302(16) | 59.400(10) d | 5/2+ |  |  |
| 126I | 53 | 73 | 125.905624(4) | 12.93(5) d | 2- |  |  |
| 127I | 53 | 74 | 126.904473(4) | STABLE | 5/2+ | 1.0000 |  |
| 128I | 53 | 75 | 127.905809(4) | 24.99(2) min | 1+ |  |  |
| 128m1I | 137.850(4) keV | 137.850(4) keV | 137.850(4) keV | 845(20) ns | 4- |  |  |
| 128m2I | 167.367(5) keV | 167.367(5) keV | 167.367(5) keV | 175(15) ns | (6)- |  |  |
| 129I | 53 | 76 | 128.904988(3) | 1.57(4)E+7 y | 7/2+ |  | 10-10～10-14 |
| 130I | 53 | 77 | 129.906674(3) | 12.36(1) h | 5+ |  |  |
| 130m1I | 39.9525(13) keV | 39.9525(13) keV | 39.9525(13) keV | 8.84(6) min | 2+ |  |  |
| 130m2I | 69.5865(7) keV | 69.5865(7) keV | 69.5865(7) keV | 133(7) ns | (6)- |  |  |
| 130m3I | 82.3960(19) keV | 82.3960(19) keV | 82.3960(19) keV | 315(15) ns | - |  |  |
| 130m4I | 85.1099(10) keV | 85.1099(10) keV | 85.1099(10) keV | 254(4) ns | (6)- |  |  |
| 131I | 53 | 78 | 130.9061246(12) | 8.02070(11) d | 7/2+ |  |  |
| 132I | 53 | 79 | 131.907997(6) | 2.295(13) h | 4+ |  |  |
| 132mI | 104(12) keV | 104(12) keV | 104(12) keV | 1.387(15) h | (8-) |  |  |
| 133I | 53 | 80 | 132.907797(5) | 20.8(1) h | 7/2+ |  |  |
| 133m1I | 1634.174(17) keV | 1634.174(17) keV | 1634.174(17) keV | 9(2) s | (19/2-) |  |  |
| 133m2I | 1729.160(17) keV | 1729.160(17) keV | 1729.160(17) keV | ~170 ns | (15/2-) |  |  |
| 134I | 53 | 81 | 133.909744(9) | 52.5(2) min | (4)+ |  |  |
| 134mI | 316.49(22) keV | 316.49(22) keV | 316.49(22) keV | 3.52(4) min | (8)- |  |  |
| 135I | 53 | 82 | 134.910048(8) | 6.57(2) h | 7/2+ |  |  |
| 136I | 53 | 83 | 135.91465(5) | 83.4(10) s | (1-) |  |  |
| 136mI | 650(120) keV | 650(120) keV | 650(120) keV | 46.9(10) s | (6-) |  |  |
| 137I | 53 | 84 | 136.917871(30) | 24.13(12) s | (7/2+) |  |  |
| 138I | 53 | 85 | 137.92235(9) | 6.23(3) s | (2-) |  |  |
| 139I | 53 | 86 | 138.92610(3) | 2.282(10) s | 7/2+# |  |  |
| 140I | 53 | 87 | 139.93100(21)# | 860(40) ms | (3)(-#) |  |  |
| 141I | 53 | 88 | 140.93503(21)# | 430(20) ms | 7/2+# |  |  |
| 142I | 53 | 89 | 141.94018(43)# | ~200 ms | 2-# |  |  |
| 143I | 53 | 90 | 142.94456(43)# | 100# ms [>300 ns] | 7/2+# |  |  |
| 144I | 53 | 91 | 143.94999(54)# | 50# ms [>300 ns] | 1-# |  |  |