レニウム(Re)の同位体のうち天然に存在するものは、天然存在比が37.4%の安定同位体である185Reと、62.6%の安定ではないが非常に長い半減期を持つ187Reである。他に26個の不安定な同位体が知られている。
標準原子量は186.207(1) uである。
一覧
| 同位体核種
|
Z(p)
|
N(n)
|
同位体質量 (u)
|
半減期
|
核スピン数
|
天然存在比
|
天然存在比
(範囲)
|
| 励起エネルギー
|
| 160Re
|
75
|
85
|
159.98212(43)#
|
860(120) µs [0.82(+15-9) ms]
|
(2-)
|
|
|
| 161Re
|
75
|
86
|
160.97759(22)
|
0.37(4) ms
|
1/2+
|
|
|
| 161mRe
|
123.8(13) keV
|
15.6(9) ms
|
11/2-
|
|
|
| 162Re
|
75
|
87
|
161.97600(22)#
|
107(13) ms
|
(2-)
|
|
|
| 162mRe
|
173(10) keV
|
77(9) ms
|
(9+)
|
|
|
| 163Re
|
75
|
88
|
162.972081(21)
|
390(70) ms
|
(1/2+)
|
|
|
| 163mRe
|
115(4) keV
|
214(5) ms
|
(11/2-)
|
|
|
| 164Re
|
75
|
89
|
163.97032(17)#
|
0.53(23) s
|
high
|
|
|
| 164mRe
|
120(120)# keV
|
530(230) ms
|
(2#)-
|
|
|
| 165Re
|
75
|
90
|
164.967089(30)
|
1# s
|
1/2+#
|
|
|
| 165mRe
|
47(26) keV
|
2.1(3) s
|
11/2-#
|
|
|
| 166Re
|
75
|
91
|
165.96581(9)#
|
2# s
|
2-#
|
|
|
| 167Re
|
75
|
92
|
166.96260(6)#
|
3.4(4) s
|
9/2-#
|
|
|
| 167mRe
|
130(40)# keV
|
5.9(3) s
|
1/2+#
|
|
|
| 168Re
|
75
|
93
|
167.96157(3)
|
4.4(1) s
|
(5+,6+,7+)
|
|
|
| 168mRe
|
non-exist
|
6.6(15) s
|
|
|
|
| 169Re
|
75
|
94
|
168.95879(3)
|
8.1(5) s
|
9/2-#
|
|
|
| 169mRe
|
145(29) keV
|
15.1(15) s
|
1/2+#
|
|
|
| 170Re
|
75
|
95
|
169.958220(28)
|
9.2(2) s
|
(5+)
|
|
|
| 171Re
|
75
|
96
|
170.95572(3)
|
15.2(4) s
|
(9/2-)
|
|
|
| 172Re
|
75
|
97
|
171.95542(6)
|
15(3) s
|
(5)
|
|
|
| 172mRe
|
0(100)# keV
|
55(5) s
|
(2)
|
|
|
| 173Re
|
75
|
98
|
172.95324(3)
|
1.98(26) min
|
(5/2-)
|
|
|
| 174Re
|
75
|
99
|
173.95312(3)
|
2.40(4) min
|
|
|
|
| 175Re
|
75
|
100
|
174.95138(3)
|
5.89(5) min
|
(5/2-)
|
|
|
| 176Re
|
75
|
101
|
175.95162(3)
|
5.3(3) min
|
3+
|
|
|
| 177Re
|
75
|
102
|
176.95033(3)
|
14(1) min
|
5/2-
|
|
|
| 177mRe
|
84.71(10) keV
|
50(10) µs
|
5/2+
|
|
|
| 178Re
|
75
|
103
|
177.95099(3)
|
13.2(2) min
|
(3+)
|
|
|
| 179Re
|
75
|
104
|
178.949988(26)
|
19.5(1) min
|
(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
|
(1)-
|
|
|
| 181Re
|
75
|
106
|
180.950068(14)
|
19.9(7) h
|
5/2+
|
|
|
| 182Re
|
75
|
107
|
181.95121(11)
|
64.0(5) h
|
7+
|
|
|
| 182m1Re
|
60(100) keV
|
12.7(2) h
|
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
|
5/2+
|
|
|
| 183mRe
|
1907.6(3) keV
|
1.04(4) ms
|
(25/2+)
|
|
|
| 184Re
|
75
|
109
|
183.952521(5)
|
38.0(5) d
|
3(-)
|
|
|
| 184mRe
|
188.01(4) keV
|
169(8) d
|
8(+)
|
|
|
| 185Re
|
75
|
110
|
184.9529550(13)
|
STABLE
|
5/2+
|
0.3740(2)
|
|
| 185mRe
|
2124(2) keV
|
123(23) ns
|
(21/2)
|
|
|
| 186Re
|
75
|
111
|
185.9549861(13)
|
3.7186(5) d
|
1-
|
|
|
| 186mRe
|
149(7) keV
|
2.0(5)E+5 a
|
(8+)
|
|
|
| 187Re
|
75
|
112
|
186.9557531(15)
|
4.12(2)E+10 a
|
5/2+
|
0.6260(2)
|
|
| 188Re
|
75
|
113
|
187.9581144(15)
|
17.0040(22) h
|
1-
|
|
|
| 188mRe
|
172.069(9) keV
|
18.59(4) min
|
(6)-
|
|
|
| 189Re
|
75
|
114
|
188.959229(9)
|
24.3(4) h
|
5/2+
|
|
|
| 190Re
|
75
|
115
|
189.96182(16)
|
3.1(3) min
|
(2)-
|
|
|
| 190mRe
|
210(50) keV
|
3.2(2) h
|
(6-)
|
|
|
| 191Re
|
75
|
116
|
190.963125(11)
|
9.8(5) min
|
(3/2+,1/2+)
|
|
|
| 192Re
|
75
|
117
|
191.96596(21)#
|
16(1) s
|
|
|
|
| 193Re
|
75
|
118
|
192.96747(21)#
|
30# s [>300 ns]
|
5/2+#
|
|
|
| 194Re
|
75
|
119
|
193.97042(32)#
|
2# s [>300 ns]
|
|
|
|
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).
- Isotopic compositions and standard atomic masses from Atomic weights of the elements. Review 2000 (IUPAC Technical Report). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005).
- 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, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (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.
