鋨的同位素

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原子量:190.23(3))的同位素

圖表[编辑]

符號 Z(p N(n 同位素質量(u 半衰期[n 1] 衰變
方式
[1][n 2]
衰變
產物
[n 3]
原子核
自旋
相對豐度
莫耳分率)
相對豐度
莫耳分率)
激發能量
161Os 76 85 0.64(6) ms α 157W
162Os 76 86 161.98443(54)# 1.87(18) ms α 158W 0+
163Os 76 87 162.98269(43)# 5.5(6) ms α 159W 7/2−#
β+, p (不常見) 162W
β+ (不常見) 163Re
164Os 76 88 163.97804(22) 21(1) ms α (98%) 160W 0+
β+ (2%) 164Re
165Os 76 89 164.97676(22)# 71(3) ms α (60%) 161W (7/2−)
β+ (40%) 165Re
166Os 76 90 165.972691(20) 216(9) ms α (72%) 162W 0+
β+ (28%) 166Re
167Os 76 91 166.97155(8) 810(60) ms α (67%) 163W 3/2−#
β+ (33%) 167Re
168Os 76 92 167.967804(13) 2.06(6) s β+ (51%) 168Re 0+
α (49%) 164W
169Os 76 93 168.967019(27) 3.40(9) s β+ (89%) 169Re 3/2−#
α (11%) 165W
170Os 76 94 169.963577(12) 7.46(23) s β+ (91.4%) 170Re 0+
α (8.6%) 176W
171Os 76 95 170.963185(20) 8.3(2) s β+ (98.3%) 171Re (5/2−)
α (1.7%) 167W
172Os 76 96 171.960023(16) 19.2(5) s β+ (98.9%) 172Re 0+
α (1.1%) 168W
173Os 76 97 172.959808(16) 22.4(9) s β+ (99.6%) 173Re (5/2−)
α (.4%) 169W
174Os 76 98 173.957062(12) 44(4) s β+ (99.97%) 174Re 0+
α (.024%) 170W
175Os 76 99 174.956946(15) 1.4(1) min β+ 175Re (5/2−)
176Os 76 100 175.95481(3) 3.6(5) min β+ 176Re 0+
177Os 76 101 176.954965(17) 3.0(2) min β+ 177Re 1/2−
178Os 76 102 177.953251(18) 5.0(4) min β+ 178Re 0+
179Os 76 103 178.953816(19) 6.5(3) min β+ 179Re (1/2−)
180Os 76 104 179.952379(22) 21.5(4) min β+ 180Re 0+
181Os 76 105 180.95324(3) 105(3) min β+ 181Re 1/2−
181m1Os 48.9(2) keV 2.7(1) min β+ 181Re (7/2)−
181m2Os 156.5(7) keV 316(18) ns (9/2)+
182Os 76 106 181.952110(23) 22.10(25) h ε 182Re 0+
183Os 76 107 182.95313(5) 13.0(5) h β+ 183Re 9/2+
183mOs 170.71(5) keV 9.9(3) h β+ (85%) 183Re 1/2−
IT (15%) 183Os
184Os 76 108 183.9524891(14) 觀測上穩定[n 4] 0+ 2(1)×10−4
185Os 76 109 184.9540423(14) 93.6(5) d ε 185Re 1/2−
185m1Os 102.3(7) keV 3.0(4) µs (7/2−)#
185m2Os 275.7(8) keV 0.78(5) µs (11/2+)
186Os[n 5] 76 110 185.9538382(15) 2.0(11)×1015 y α 182W 0+ 0.0159(3)
187Os[n 6] 76 111 186.9557505(15) 觀測上穩定[n 7] 1/2− 0.0196(2)
188Os[n 6] 76 112 187.9558382(15) 觀測上穩定[n 8] 0+ 0.1324(8)
189Os 76 113 188.9581475(16) 觀測上穩定[n 9] 3/2− 0.1615(5)
189mOs 30.812(15) keV 5.81(6) h IT 189Os 9/2−
190Os 76 114 189.9584470(16) 觀測上穩定[n 10] 0+ 0.2626(2)
190mOs 1705.4(2) keV 9.9(1) min IT 190Os (10)−
191Os 76 115 190.9609297(16) 15.4(1) d β 191Ir 9/2−
191mOs 74.382(3) keV 13.10(5) h IT 191Os 3/2−
192Os 76 116 191.9614807(27) 觀測上穩定[n 11] 0+ 0.4078(19)
192mOs 2015.40(11) keV 5.9(1) s IT (87%) 192Os (10−)
β (13%) 192Ir
193Os 76 117 192.9641516(27) 30.11(1) h β 193Ir 3/2−
194Os 76 118 193.9651821(28) 6.0(2) y β 194Ir 0+
195Os 76 119 194.96813(54) 6.5 min β 195Ir 3/2−#
196Os 76 120 195.96964(4) 34.9(2) min β 196Ir 0+
197Os 76 121 2.8(6) min

備註:畫上#號的數據代表沒有經過實驗的証明,只是理論推測而已,而用括號括起來的代表數據不確定性。

同位素列表
錸的同位素 鋨的同位素 銥的同位素

註釋[编辑]

  1. ^ Bold for isotopes with half-lives longer than the age of the universe (nearly stable)
  2. ^ Abbreviations:
    ε: Electron capture
    IT: Isomeric transition
  3. ^ Bold for stable isotopes
  4. ^ Believed to undergo α decay to 180W or β+β+ decay to 184W with a half-life over 56×1012 years
  5. ^ primordial radionuclide
  6. ^ 6.0 6.1 Used in rhenium-osmium dating
  7. ^ Believed to undergo α decay to 183W
  8. ^ Believed to undergo α decay to 184W
  9. ^ Believed to undergo α decay to 185W
  10. ^ Believed to undergo α decay to 186W
  11. ^ Believed to undergo α decay to 188W or ββ decay to 192Pt with a half-life over 9.8×1012 years

参考文獻[编辑]

  1. ^ Universal Nuclide Chart. nucleonica. (需要註冊 (說明)).