铱的同位素

铱（原子量：192.217(2)）有两个天然同位素以及34个放射性同位素。其中，最稳定的放射性同位素是192，其半衰期有73.8天，以及其核同质异能素：m2，其半衰期长达241年，其余同位素半衰期都在1年以下，大部分都少于一日。

**图表**
164Ir
77
87
163.99220(44)#
1# ms
2−#
164mIr
270(110)# keV
94(27) µs
9+#
165Ir
77
88
164.98752(23)#
164Os
1/2+#
α （不常见）
161Re
165mIr
180(50)# keV
300(60) µs
p (87%)
164Os
11/2−
α (13%)
161Re
166Ir
77
89
165.98582(22)#
10.5(22) ms
α (93%)
162Re
(2−)
p (7%)
165Os
166mIr
172(6) keV
15.1(9) ms
α (98.2%)
162Re
(9+)
p (1.8%)
165Os
167Ir
77
90
166.981665(20)
35.2(20) ms
α (48%)
163Re
1/2+
p (32%)
166Os
β+ (20%)
167Os
167mIr
175.3(22) keV
30.0(6) ms
α (80%)
163Re
11/2−
β+ (20%)
167Os
p (.4%)
166Os
168Ir
77
91
167.97988(16)#
161(21) ms
α
164Re
high
β+ （不常见）
168Os
168mIr
50(100)# keV
125(40) ms
α
164Re
low
169Ir
77
92
168.976295(28)
780(360) ms0.64(+46−24) s
α
165Re
1/2+#
β+ （不常见）
169Os
169mIr
154(24) keV
308(22) ms
α (72%)
165Re
11/2−#
β+ (28%)
169Os
170Ir
77
93
169.97497(11)#
910(150) ms0.87(+18−12) s
β+ (64%)
170Os
low#
α (36%)
166Re
170mIr
270(70)# keV
440(60) ms
high#


171Ir
77
94
170.97163(4)
3.6(10) s3.2(+13−7) s
α (58%)
167Re
1/2+#
β+ (42%)
171Os
171mIr
180(30)# keV
1.40(10) s
(11/2−)
172Ir
77
95
171.97046(11)#
4.4(3) s
β+ (98%)
172Os
(3+)
α (2%)
168Re
172mIr
280(100)# keV
2.0(1) s
β+ (77%)
172Os
(7+)
α (23%)
168Re
173Ir
77
96
172.967502(15)
9.0(8) s
β+ (93%)
173Os
(3/2+,5/2+)
α (7%)
169Re
173mIr
253(27) keV
2.20(5) s
β+ (88%)
173Os
(11/2−)
α (12%)
169Re
174Ir
77
97
173.966861(30)
7.9(6) s
β+ (99.5%)
174Os
(3+)
α (.5%)
170Re
174mIr
193(11) keV
4.9(3) s
β+ (99.53%)
174Os
(7+)
α (.47%)
170Re
175Ir
77
98
174.964113(21)
9(2) s
β+ (99.15%)
175Os
(5/2−)
α (.85%)
171Re
176Ir
77
99
175.963649(22)
8.3(6) s
β+ (97.9%)
176Os
α (2.1%)
172Re
177Ir
77
100
176.961302(21)
30(2) s
β+ (99.94%)
177Os
5/2−
α (.06%)
173Re
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−
α (.05%)
179Re
184Ir
77
107
183.95748(3)
3.09(3) h
β+
184Os
5−
184m1Ir
225.65(11) keV
470(30) µs
3+
184m2Ir
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
1.92(5) h
β+
186Os
2−
IT （不常见）
186Ir
187Ir
77
110
186.957363(7)
10.5(3) h
β+
187Os
3/2+
187m1Ir
186.15(4) keV
30.3(6) ms
IT
187Ir
9/2−
187m2Ir
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
4.2(2) ms
IT
188Ir
7+#
β+ （不常见）
188Os
189Ir
77
112
188.958719(14)
13.2(1) d
EC
189Os
3/2+
189m1Ir
372.18(4) keV
13.3(3) ms
IT
189Ir
11/2−
189m2Ir
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
1.120(3) h
IT
190Ir
(1−)
190m2Ir
36.154(25) keV
>2 µs
(4)+
190m3Ir
376.4(1) keV
3.087(12) h
(11)−
191Ir
77
114
190.9605940(18)
观测上稳定
3/2+
0.373(2)
0.3723(9)
191m1Ir
171.24(5) keV
4.94(3) s
IT
191Ir
11/2−
191m2Ir
2120(40) keV
5.5(7) s
192Ir
77
115
191.9626050(18)
73.827(13) d
β- (95.24%)
192Pt
4+
EC (4.76%)
192Os
192m1Ir
56.720(5) keV
1.45(5) min
1−
192m2Ir
168.14(12) keV
241(9) y
(11−)
193Ir
77
116
192.9629264(18)
观测上稳定
3/2+
0.627(2)
0.6277(9)
193mIr
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
31.85(24) ms
IT
194Ir
(4+)
194m2Ir
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
3.8(2) h
β- (95%)
195Pt
11/2−

IT (5%)
195Ir
196Ir
77
119
195.96840(4)
52(1) s
β-
196Pt
(0−)
196mIr
210(40) keV
1.40(2) h
β- (99.7%)
196Pt
(10,11−)
IT
196Ir
197Ir
77
120
196.969653(22)
5.8(5) min
β-
197Pt
3/2+
197mIr
115(5) keV
8.9(3) min
β- (99.75%)
197Pt
11/2−
IT (.25%)
197Ir
198Ir
77
121
197.97228(21)#
8(1) s
β-
198Pt
199Ir
77
122
198.97380(4)
20# s
β-
199Pt
3/2+#

**参考文献**
 Isotope masses from  Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).- Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
** Audi, Bersillon, Blachot, Wapstra.  The Nubase2003 evaluation of nuclear and decay properties date=20110716114059 , Nuc. Phys. A 729, pp. 3-128 (2003).
** National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the  NuDat 2.1 database date=20190513230730  (retrieved Sept. 2005).
** David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.