コペルニシウム (Cn, copernicium) は、安定同位体を持たないため標準原子量は定められない。
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
|
| 励起エネルギー
|
| 277Cn
|
112
|
165
|
277.16394(14)#
|
1.1(7) ms [0.69(+69-24) ms]
|
3/2+#
|
| 278Cn
|
112
|
166
|
278.16431(57)#
|
10# ms
|
0+
|
| 279Cn
|
112
|
167
|
279.16655(53)#
|
0.1# s
|
|
| 280Cn
|
112
|
168
|
280.16704(69)#
|
1# s
|
0+
|
| 281Cn
|
112
|
169
|
281.16929(106)#
|
10# s
|
3/2+#
|
| 282Cn
|
112
|
170
|
282.16977(76)#
|
30# s
|
0+
|
| 283Cn
|
112
|
171
|
283.17179(83)#
|
4.2(2.1) min
|
|
| 284Cn
|
112
|
172
|
284.17238(91)#
|
31(18) s
|
0+
|
| 285Cn
|
112
|
173
|
285.17411(78)#
|
40(30) min
|
5/2+#
|
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, 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.
