이리듐 동위 원소
표

| 핵자 수 | Z(p)> 들뜬 에너지 | N(n)> 들뜬 에너지 |   동위 원소 질량 (u)  > 들뜬 에너지 | 반감기 | 붕괴 방식 | 붕괴 생성 동위 원소 | 핵 스핀 | 자연계에 존재하는 동위 원소 범위 (몰 분율) | 자연계에 존재하는 최대 범위 (몰 분율) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 164Ir | 77 | 87 | 163.99220(44)# | 1# ms |  |  | 2-# |  |  |
| 164mIr | 270(110)# keV | 270(110)# keV | 270(110)# keV | 94(27) µs |  |  | 9+# |  |  |
| 165Ir | 77 | 88 | 164.98752(23)# | <1# µs | p | 164Os | 1/2+# |  |  |
| 165Ir | 77 | 88 | 164.98752(23)# | <1# µs | α (드묾) | 161Re | 1/2+# |  |  |
| 165mIr | 180(50)# keV | 180(50)# keV | 180(50)# keV | 300(60) µs | p (87%) | 164Os | 11/2- |  |  |
| 165mIr | 180(50)# keV | 180(50)# keV | 180(50)# keV | 300(60) µs | α (13%) | 161Re | 11/2- |  |  |
| 166Ir | 77 | 89 | 165.98582(22)# | 10.5(22) ms | α (93%) | 162Re | (2-) |  |  |
| 166Ir | 77 | 89 | 165.98582(22)# | 10.5(22) ms | p (7%) | 165Os | (2-) |  |  |
| 166mIr | 172(6) keV | 172(6) keV | 172(6) keV | 15.1(9) ms | α (98.2%) | 162Re | (9+) |  |  |
| 166mIr | 172(6) keV | 172(6) keV | 172(6) keV | 15.1(9) ms | p (1.8%) | 165Os | (9+) |  |  |
| 167Ir | 77 | 90 | 166.981665(20) | 35.2(20) ms | α (48%) | 163Re | 1/2+ |  |  |
| 167Ir | 77 | 90 | 166.981665(20) | 35.2(20) ms | p (32%) | 166Os | 1/2+ |  |  |
| 167Ir | 77 | 90 | 166.981665(20) | 35.2(20) ms | β+ (20%) | 167Os | 1/2+ |  |  |
| 167mIr | 175.3(22) keV | 175.3(22) keV | 175.3(22) keV | 30.0(6) ms | α (80%) | 163Re | 11/2- |  |  |
| 167mIr | 175.3(22) keV | 175.3(22) keV | 175.3(22) keV | 30.0(6) ms | β+ (20%) | 167Os | 11/2- |  |  |
| 167mIr | 175.3(22) keV | 175.3(22) keV | 175.3(22) keV | 30.0(6) ms | p (0.4%) | 166Os | 11/2- |  |  |
| 168Ir | 77 | 91 | 167.97988(16)# | 161(21) ms | α | 164Re | high |  |  |
| 168Ir | 77 | 91 | 167.97988(16)# | 161(21) ms | β+ (드묾) | 168Os | high |  |  |
| 168mIr | 50(100)# keV | 50(100)# keV | 50(100)# keV | 125(40) ms | α | 164Re | low |  |  |
| 169Ir | 77 | 92 | 168.976295(28) | 780(360) ms [0.64(+46-24) s] | α | 165Re | 1/2+# |  |  |
| 169Ir | 77 | 92 | 168.976295(28) | 780(360) ms [0.64(+46-24) s] | β+ (드묾) | 169Os | 1/2+# |  |  |
| 169mIr | 154(24) keV | 154(24) keV | 154(24) keV | 308(22) ms | α (72%) | 165Re | 11/2-# |  |  |
| 169mIr | 154(24) keV | 154(24) keV | 154(24) keV | 308(22) ms | β+ (28%) | 169Os | 11/2-# |  |  |
| 170Ir | 77 | 93 | 169.97497(11)# | 910(150) ms [0.87(+18-12) s] | β+ (64%) | 170Os | low# |  |  |
| 170Ir | 77 | 93 | 169.97497(11)# | 910(150) ms [0.87(+18-12) s] | α (36%) | 166Re | low# |  |  |
| 170mIr | 270(70)# keV | 270(70)# keV | 270(70)# keV | 440(60) ms |  |  | high# |  |  |
| 171Ir | 77 | 94 | 170.97163(4) | 3.6(10) s [3.2(+13-7) s] | α (58%) | 167Re | 1/2+# |  |  |
| 171Ir | 77 | 94 | 170.97163(4) | 3.6(10) s [3.2(+13-7) s] | β+ (42%) | 171Os | 1/2+# |  |  |
| 171mIr | 180(30)# keV | 180(30)# keV | 180(30)# keV | 1.40(10) s |  |  | (11/2-) |  |  |
| 172Ir | 77 | 95 | 171.97046(11)# | 4.4(3) s | β+ (98%) | 172Os | (3+) |  |  |
| 172Ir | 77 | 95 | 171.97046(11)# | 4.4(3) s | α (2%) | 168Re | (3+) |  |  |
| 172mIr | 280(100)# keV | 280(100)# keV | 280(100)# keV | 2.0(1) s | β+ (77%) | 172Os | (7+) |  |  |
| 172mIr | 280(100)# keV | 280(100)# keV | 280(100)# keV | 2.0(1) s | α (23%) | 168Re | (7+) |  |  |
| 173Ir | 77 | 96 | 172.967502(15) | 9.0(8) s | β+ (93%) | 173Os | (3/2+,5/2+) |  |  |
| 173Ir | 77 | 96 | 172.967502(15) | 9.0(8) s | α (7%) | 169Re | (3/2+,5/2+) |  |  |
| 173mIr | 253(27) keV | 253(27) keV | 253(27) keV | 2.20(5) s | β+ (88%) | 173Os | (11/2-) |  |  |
| 173mIr | 253(27) keV | 253(27) keV | 253(27) keV | 2.20(5) s | α (12%) | 169Re | (11/2-) |  |  |
| 174Ir | 77 | 97 | 173.966861(30) | 7.9(6) s | β+ (99.5%) | 174Os | (3+) |  |  |
| 174Ir | 77 | 97 | 173.966861(30) | 7.9(6) s | α (0.5%) | 170Re | (3+) |  |  |
| 174mIr | 193(11) keV | 193(11) keV | 193(11) keV | 4.9(3) s | β+ (99.53%) | 174Os | (7+) |  |  |
| 174mIr | 193(11) keV | 193(11) keV | 193(11) keV | 4.9(3) s | α (0.47%) | 170Re | (7+) |  |  |
| 175Ir | 77 | 98 | 174.964113(21) | 9(2) s | β+ (99.15%) | 175Os | (5/2-) |  |  |
| 175Ir | 77 | 98 | 174.964113(21) | 9(2) s | α (0.85%) | 171Re | (5/2-) |  |  |
| 176Ir | 77 | 99 | 175.963649(22) | 8.3(6) s | β+ (97.9%) | 176Os |  |  |  |
| 176Ir | 77 | 99 | 175.963649(22) | 8.3(6) s | α (2.1%) | 172Re |  |  |  |
| 177Ir | 77 | 100 | 176.961302(21) | 30(2) s | β+ (99.94%) | 177Os | 5/2- |  |  |
| 177Ir | 77 | 100 | 176.961302(21) | 30(2) s | α (0.06%) | 173Re | 5/2- |  |  |
| 178Ir | 77 | 101 | 177.961082(21) | 12(2) s | β+ | 178Os |  |  |  |
| 179Ir | 77 | 102 | 178.959122(12) | 79(1) s | β+ | 179Os | (5/2)- |  |  |
| 180Ir | 77 | 103 | 179.959229(23) | 1.5(1) min | β+ | 180Os | (4,5)(+#) |  |  |
| 181Ir | 77 | 104 | 180.957625(28) | 4.90(15) min | β+ | 181Os | (5/2)- |  |  |
| 182Ir | 77 | 105 | 181.958076(23) | 15(1) min | β+ | 182Os | (3+) |  |  |
| 183Ir | 77 | 106 | 182.956846(27) | 57(4) min | β+ (99.95%) | 183Os | 5/2- |  |  |
| 183Ir | 77 | 106 | 182.956846(27) | 57(4) min | α (0.05%) | 179Re | 5/2- |  |  |
| 184Ir | 77 | 107 | 183.95748(3) | 3.09(3) h | β+ | 184Os | 5- |  |  |
| 184m1Ir | 225.65(11) keV | 225.65(11) keV | 225.65(11) keV | 470(30) µs |  |  | 3+ |  |  |
| 184m2Ir | 328.40(24) keV | 328.40(24) keV | 328.40(24) keV | 350(90) ns |  |  | (7)+ |  |  |
| 185Ir | 77 | 108 | 184.95670(3) | 14.4(1) h | β+ | 185Os | 5/2- |  |  |
| 186Ir | 77 | 109 | 185.957946(18) | 16.64(3) h | β+ | 186Os | 5+ |  |  |
| 186mIr | 0.8(4) keV | 0.8(4) keV | 0.8(4) keV | 1.92(5) h | β+ | 186Os | 2- |  |  |
| 186mIr | 0.8(4) keV | 0.8(4) keV | 0.8(4) keV | 1.92(5) h | IT (드묾) | 186Ir | 2- |  |  |
| 187Ir | 77 | 110 | 186.957363(7) | 10.5(3) h | β+ | 187Os | 3/2+ |  |  |
| 187m1Ir | 186.15(4) keV | 186.15(4) keV | 186.15(4) keV | 30.3(6) ms | IT | 187Ir | 9/2- |  |  |
| 187m2Ir | 433.81(9) keV | 433.81(9) keV | 433.81(9) keV | 152(12) ns |  |  | 11/2- |  |  |
| 188Ir | 77 | 111 | 187.958853(8) | 41.5(5) h | β+ | 188Os | 1- |  |  |
| 188mIr | 970(30) keV | 970(30) keV | 970(30) keV | 4.2(2) ms | IT | 188Ir | 7+# |  |  |
| 188mIr | 970(30) keV | 970(30) keV | 970(30) keV | 4.2(2) ms | β+ (드묾) | 188Os | 7+# |  |  |
| 189Ir | 77 | 112 | 188.958719(14) | 13.2(1) d | ε | 189Os | 3/2+ |  |  |
| 189m1Ir | 372.18(4) keV | 372.18(4) keV | 372.18(4) keV | 13.3(3) ms | IT | 189Ir | 11/2- |  |  |
| 189m2Ir | 2333.3(4) keV | 2333.3(4) keV | 2333.3(4) keV | 3.7(2) ms |  |  | (25/2)+ |  |  |
| 190Ir | 77 | 113 | 189.9605460(18) | 11.78(10) d | β+ | 190Os | 4- |  |  |
| 190m1Ir | 26.1(1) keV | 26.1(1) keV | 26.1(1) keV | 1.120(3) h | IT | 190Ir | (1-) |  |  |
| 190m2Ir | 36.154(25) keV | 36.154(25) keV | 36.154(25) keV | >2 µs |  |  | (4)+ |  |  |
| 190m3Ir | 376.4(1) keV | 376.4(1) keV | 376.4(1) keV | 3.087(12) h |  |  | (11)- |  |  |
| 191Ir | 77 | 114 | 190.9605940(18) | 관찰상 안정 | 관찰상 안정 | 관찰상 안정 | 3/2+ | 0.373(2) |  |
| 191m1Ir | 171.24(5) keV | 171.24(5) keV | 171.24(5) keV | 4.94(3) s | IT | 191Ir | 11/2- |  |  |
| 191m2Ir | 2120(40) keV | 2120(40) keV | 2120(40) keV | 5.5(7) s |  |  |  |  |  |
| 192Ir | 77 | 115 | 191.9626050(18) | 73.827(13) d | β- (95.24%) | 192Pt | 4+ |  |  |
| 192Ir | 77 | 115 | 191.9626050(18) | 73.827(13) d | ε (4.76%) | 192Os | 4+ |  |  |
| 192m1Ir | 56.720(5) keV | 56.720(5) keV | 56.720(5) keV | 1.45(5) min |  |  | 1- |  |  |
| 192m2Ir | 168.14(12) keV | 168.14(12) keV | 168.14(12) keV | 241(9) a |  |  | (11-) |  |  |
| 193Ir | 77 | 116 | 192.9629264(18) | 관찰상 안정 | 관찰상 안정 | 관찰상 안정 | 3/2+ | 0.627(2) |  |
| 193mIr | 80.240(6) keV | 80.240(6) keV | 80.240(6) keV | 10.53(4) d | IT | 193Ir | 11/2- |  |  |
| 194Ir | 77 | 117 | 193.9650784(18) | 19.28(13) h | β- | 194Pt | 1- |  |  |
| 194m1Ir | 147.078(5) keV | 147.078(5) keV | 147.078(5) keV | 31.85(24) ms | IT | 194Ir | (4+) |  |  |
| 194m2Ir | 370(70) keV | 370(70) keV | 370(70) keV | 171(11) d |  |  | (10,11)(-#) |  |  |
| 195Ir | 77 | 118 | 194.9659796(18) | 2.5(2) h | β- | 195Pt | 3/2+ |  |  |
| 195mIr | 100(5) keV | 100(5) keV | 100(5) keV | 3.8(2) h | β- (95%) | 195Pt | 11/2- |  |  |
| 195mIr | 100(5) keV | 100(5) keV | 100(5) keV | 3.8(2) h | IT (5%) | 195Ir | 11/2- |  |  |
| 196Ir | 77 | 119 | 195.96840(4) | 52(1) s | β- | 196Pt | (0-) |  |  |
| 196mIr | 210(40) keV | 210(40) keV | 210(40) keV | 1.40(2) h | β- (99.7%) | 196Pt | (10,11-) |  |  |
| 196mIr | 210(40) keV | 210(40) keV | 210(40) keV | 1.40(2) h | IT | 196Ir | (10,11-) |  |  |
| 197Ir | 77 | 120 | 196.969653(22) | 5.8(5) min | β- | 197Pt | 3/2+ |  |  |
| 197mIr | 115(5) keV | 115(5) keV | 115(5) keV | 8.9(3) min | β- (99.75%) | 197Pt | 11/2- |  |  |
| 197mIr | 115(5) keV | 115(5) keV | 115(5) keV | 8.9(3) min | IT (0.25%) | 197Ir | 11/2- |  |  |
| 198Ir | 77 | 121 | 197.97228(21)# | 8(1) s | β- | 198Pt |  |  |  |
| 199Ir | 77 | 122 | 198.97380(4) | 20# s | β- | 199Pt | 3/2+# |  |  |
↑  약어:
ε: 전자 포획
IT: 이성질핵 전이
↑  안정 동위 원소는 굵은 글씨로 표기, 우주의 나이보다 반감기가 긴 동위 원소의 반감기는 굵은 흘림체로 표기
↑  α 붕괴를 통해 187Re으로 붕괴할 수 있다.
↑  α 붕괴를 통해 189Re으로 붕괴할 수 있다.