자연계에 존재하는 레늄의 동위 원소는 185Re, 187Re이 있다. 이 중 185Re은 안정 동위 원소이며, 187Re은 방사성 동위 원소인데 187Re이 자연계에서 존재비가 62.6%로 방사성 동위 원소의 존재비가 더 많다.
187Re은 오스뮴-레늄 연대 측정에 쓰인다.
표
핵자 수 |
Z(p) | N(n) | 동위 원소 질량 (u) |
반감기[n 1] | 붕괴 방식[1][n 2] |
붕괴 생성 동위 원소[n 3] |
핵 스핀 |
자연계에 존재하는 동위 원소 범위 (몰 분율) |
자연계에 존재하는 최대 범위 (몰 분율) |
---|---|---|---|---|---|---|---|---|---|
들뜬 에너지 | |||||||||
160Re | 75 | 85 | 159.98212(43)# | 860(120) µs [0.82(+15-9) ms] |
p (91%) | 159W | (2-) | ||
α (9%) | 156Ta | ||||||||
161Re | 75 | 86 | 160.97759(22) | 0.37(4) ms | p | 160W | 1/2+ | ||
161mRe | 123.8(13) keV | 15.6(9) ms | α | 157Ta | 11/2- | ||||
162Re | 75 | 87 | 161.97600(22)# | 107(13) ms | α (94%) | 158Ta | (2-) | ||
β+ (6%) | 162W | ||||||||
162mRe | 173(10) keV | 77(9) ms | α (91%) | 158Ta | (9+) | ||||
β+ (9%) | 162W | ||||||||
163Re | 75 | 88 | 162.972081(21) | 390(70) ms | β+ (68%) | 163W | (1/2+) | ||
α (32%) | 159Ta | ||||||||
163mRe | 115(4) keV | 214(5) ms | α (66%) | 159Ta | (11/2-) | ||||
β+ (34%) | 163W | ||||||||
164Re | 75 | 89 | 163.97032(17)# | 0.53(23) s | α (58%) | 160Ta | high | ||
β+ (42%) | 164W | ||||||||
164mRe | 120(120)# keV | 530(230) ms | (2#)- | ||||||
165Re | 75 | 90 | 164.967089(30) | 1# s | β+ | 165W | 1/2+# | ||
α | 161Ta | ||||||||
165mRe | 47(26) keV | 2.1(3) s | β+ (87%) | 165W | 11/2-# | ||||
α (13%) | 161Ta | ||||||||
166Re | 75 | 91 | 165.96581(9)# | 2# s | β+ | 166W | 2-# | ||
α | 162Ta | ||||||||
167Re | 75 | 92 | 166.96260(6)# | 3.4(4) s | α | 163Ta | 9/2-# | ||
β+ | 167W | ||||||||
167mRe | 130(40)# keV | 5.9(3) s | β+ (99.3%) | 167W | 1/2+# | ||||
α (0.7%) | 163Ta | ||||||||
168Re | 75 | 93 | 167.96157(3) | 4.4(1) s | β+ (99.99%) | 168W | (5+,6+,7+) | ||
α (0.005%) | 164Ta | ||||||||
168mRe | non-exist | 6.6(15) s | |||||||
169Re | 75 | 94 | 168.95879(3) | 8.1(5) s | β+ (99.99%) | 169W | 9/2-# | ||
α (0.005%) | 165Ta | ||||||||
169mRe | 145(29) keV | 15.1(15) s | β+ (99.8%) | 169W | 1/2+# | ||||
α (0.2%) | 164Ta | ||||||||
170Re | 75 | 95 | 169.958220(28) | 9.2(2) s | β+ (99.99%) | 170W | (5+) | ||
α (0.01%) | 166Ta | ||||||||
171Re | 75 | 96 | 170.95572(3) | 15.2(4) s | β+ | 171W | (9/2-) | ||
172Re | 75 | 97 | 171.95542(6) | 15(3) s | β+ | 172W | (5) | ||
172mRe | 0(100)# keV | 55(5) s | β+ | 172W | (2) | ||||
173Re | 75 | 98 | 172.95324(3) | 1.98(26) min | β+ | 173W | (5/2-) | ||
174Re | 75 | 99 | 173.95312(3) | 2.40(4) min | β+ | 174W | |||
175Re | 75 | 100 | 174.95138(3) | 5.89(5) min | β+ | 175W | (5/2-) | ||
176Re | 75 | 101 | 175.95162(3) | 5.3(3) min | β+ | 176W | 3+ | ||
177Re | 75 | 102 | 176.95033(3) | 14(1) min | β+ | 177W | 5/2- | ||
177mRe | 84.71(10) keV | 50(10) µs | 5/2+ | ||||||
178Re | 75 | 103 | 177.95099(3) | 13.2(2) min | β+ | 178W | (3+) | ||
179Re | 75 | 104 | 178.949988(26) | 19.5(1) min | β+ | 179W | (5/2)+ | ||
179m1Re | 65.39(9) keV | 95(25) µs | (5/2-) | ||||||
179m2Re | 1684.59(14)+Y keV | >0.4 µs | (23/2+) | ||||||
180Re | 75 | 105 | 179.950789(23) | 2.44(6) min | β+ | 180W | (1)- | ||
181Re | 75 | 106 | 180.950068(14) | 19.9(7) h | β+ | 181W | 5/2+ | ||
182Re | 75 | 107 | 181.95121(11) | 64.0(5) h | β+ | 182W | 7+ | ||
182m1Re | 60(100) keV | 12.7(2) h | β+ | 182W | 2+ | ||||
182m2Re | 235.736(10)+X keV | 585(21) ns | 2- | ||||||
182m3Re | 461.3(1)+X keV | 0.78(9) µs | (4-) | ||||||
183Re | 75 | 108 | 182.950820(9) | 70.0(14) d | ε | 183W | 5/2+ | ||
183mRe | 1907.6(3) keV | 1.04(4) ms | IT | 183Re | (25/2+) | ||||
184Re | 75 | 109 | 183.952521(5) | 38.0(5) d | β+ | 184W | 3(-) | ||
184mRe | 188.01(4) keV | 169(8) d | IT (75.4%) | 184Re | 8(+) | ||||
β+ (24.6%) | 184W | ||||||||
185Re | 75 | 110 | 184.9529550(13) | 안정[n 4] | 5/2+ | 0.3740(2) | |||
185mRe | 2124(2) keV | 123(23) ns | (21/2) | ||||||
186Re | 75 | 111 | 185.9549861(13) | 3.7186(5) d | β- (93.1%) | 186Os | 1- | ||
ε (6.9%) | 186W | ||||||||
186mRe | 149(7) keV | 2.0(5)×105 a | IT (90%) | 186Re | (8+) | ||||
β- (10%) | 186Os | ||||||||
187Re[n 5][n 6] | 75 | 112 | 186.9557531(15) | 41.2(2)×109 a | β- (99.99%) | 187Os | 5/2+ | 0.6260(2) | |
α (10−4%) | 183Ta | ||||||||
188Re | 75 | 113 | 187.9581144(15) | 17.0040(22) h | β- | 188Os | 1- | ||
188mRe | 172.069(9) keV | 18.59(4) min | IT | 188Re | (6)- | ||||
189Re | 75 | 114 | 188.959229(9) | 24.3(4) h | β- | 189Os | 5/2+ | ||
190Re | 75 | 115 | 189.96182(16) | 3.1(3) min | β- | 190Os | (2)- | ||
190mRe | 210(50) keV | 3.2(2) h | β- (54.4%) | 190Os | (6-) | ||||
IT (45.6%) | 190Re | ||||||||
191Re | 75 | 116 | 190.963125(11) | 9.8(5) min | β- | 191Os | (3/2+,1/2+) | ||
192Re | 75 | 117 | 191.96596(21)# | 16(1) s | β- | 192Os | |||
193Re | 75 | 118 | 192.96747(21)# | 30# s [>300 ns] | 5/2+# | ||||
194Re | 75 | 119 | 193.97042(32)# | 2# s [>300 ns] |
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