锰的同位素
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| 标准原子质量 (Ar, 标准) |
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锰（原子量：54.938043(2)）共有32个同位素，其中有1个是稳定的。
图表[编辑]
| 符号 | Z（ p ） |
N（ n ） |
同位素质量（u） | 半衰期 | 衰变 方式[2] |
衰变 产物[n 1] |
原子核 自旋 |
相对丰度 （莫耳分率） |
相对丰度的变化量 （莫耳分率） |
|---|---|---|---|---|---|---|---|---|---|
| 激发能量 | |||||||||
| 46Mn | 25 | 21 | 45.98672(12)# | 37(3) ms | β+ (78%) | 46Cr | (4+) | ||
| β+, p (22%) | 45V | ||||||||
| β+, α (<1%) | 42Ti | ||||||||
| β+, 2p (<1%) | 44Ti | ||||||||
| 46mMn | 150(100)# keV | 1# ms | β+ | 46Cr | 1-# | ||||
| 47Mn | 25 | 22 | 46.97610(17)# | 100(50) ms | β+ (96.6%) | 47Cr | 5/2−# | ||
| β+, p (3.4%) | 46V | ||||||||
| 48Mn | 25 | 23 | 47.96852(12) | 158.1(22) ms | β+ (99.71%) | 48Cr | 4+ | ||
| β+, p (.027%) | 47V | ||||||||
| β+, α (6×10−4%) | 44Ti | ||||||||
| 49Mn | 25 | 24 | 48.959618(26) | 382(7) ms | β+ | 49Cr | 5/2− | ||
| 50Mn | 25 | 25 | 49.9542382(11) | 283.29(8) ms | β+ | 50Cr | 0+ | ||
| 50mMn | 229(7) keV | 1.75(3) min | β+ | 50Cr | 5+ | ||||
| 51Mn | 25 | 26 | 50.9482108(11) | 46.2(1) min | β+ | 51Cr | 5/2− | ||
| 52Mn | 25 | 27 | 51.9455655(21) | 5.591(3) d | β+ | 52Cr | 6+ | ||
| 52mMn | 377.749(5) keV | 21.1(2) min | β+ (98.25%) | 52Cr | 2+ | ||||
| IT (1.75%) | 52Mn | ||||||||
| 53Mn | 25 | 28 | 52.9412901(9) | 3.7(4)×106 y | ε | 53Cr | 7/2− | 痕量 | |
| 54Mn | 25 | 29 | 53.9403589(14) | 312.03(3) d | ε 99.99% | 54Cr | 3+ | ||
| β− (2.9×10−4%) | 54Fe | ||||||||
| β+ (5.76×10−7%) | 54Cr | ||||||||
| 55 Mn |
25 | 30 | 54.9380451(7) | 稳定 | 5/2− | 1.0000 | |||
| 56Mn | 25 | 31 | 55.9389049(7) | 2.5789(1) h | β− | 56Fe | 3+ | ||
| 57Mn | 25 | 32 | 56.9382854(20) | 85.4(18) s | β− | 57Fe | 5/2− | ||
| 58Mn | 25 | 33 | 57.93998(3) | 3.0(1) s | β− | 58Fe | 1+ | ||
| 58mMn | 71.78(5) keV | 65.2(5) s | β− (>99.9%) | 58Fe | (4)+ | ||||
| IT (<.1%) | 58Mn | ||||||||
| 59Mn | 25 | 34 | 58.94044(3) | 4.59(5) s | β− | 59Fe | (5/2)− | ||
| 60Mn | 25 | 35 | 59.94291(9) | 51(6) s | β− | 60Fe | 0+ | ||
| 60mMn | 271.90(10) keV | 1.77(2) s | β− (88.5%) | 60Fe | 3+ | ||||
| IT (11.5%) | 60Mn | ||||||||
| 61Mn | 25 | 36 | 60.94465(24) | 0.67(4) s | β− | 61Fe | (5/2)− | ||
| 62Mn | 25 | 37 | 61.94843(24) | 671(5) ms | β− (>99.9%) | 62Fe | (3+) | ||
| β−, n (<.1%) | 61Fe | ||||||||
| 62mMn | 0(150)# keV | 92(13) ms | (1+) | ||||||
| 63Mn | 25 | 38 | 62.95024(28) | 275(4) ms | β− | 63Fe | 5/2−# | ||
| 64Mn | 25 | 39 | 63.95425(29) | 88.8(25) ms | β− (>99.9%) | 64Fe | (1+) | ||
| β−, n (<.1%) | 63Fe | ||||||||
| 64mMn | 135(3) keV | >100 µs | |||||||
| 65Mn | 25 | 40 | 64.95634(58) | 92(1) ms | β− (>99.9%) | 65Fe | 5/2−# | ||
| β−, n (<.1%) | 64Fe | ||||||||
| 66Mn | 25 | 41 | 65.96108(43)# | 64.4(18) ms | β− (>99.9%) | 66Fe | |||
| β−, n (<.1%) | 65Fe | ||||||||
| 67Mn | 25 | 42 | 66.96414(54)# | 45(3) ms | β− | 67Fe | 5/2−# | ||
| 68Mn | 25 | 43 | 67.96930(64)# | 28(4) ms | |||||
| 69Mn | 25 | 44 | 68.97284(86)# | 14(4) ms | 5/2−# | ||||
备注：画上#号的数据代表没有经过实验的证明，只是理论推测而已，而用括号括起来的代表数据不确定性。
| ← | 同位素列表 | → |
| 铬的同位素 | 锰的同位素 | 铁的同位素 |
注释[编辑]
- ^ Bold for stable isotopes, bold italic for nearly-stable isotopes (half-life longer than the age of the universe)
参考文献[编辑]
- ^ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. Standard atomic weights of the elements 2021 (IUPAC Technical Report). Pure and Applied Chemistry. 2022-05-04. ISSN 1365-3075. doi:10.1515/pac-2019-0603 （英语）.
- ^ Universal Nuclide Chart
. nucleonica. [2015-09-12]. （原始内容存档于2017-02-19）.
- 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 （页面存档备份，存于互联网档案馆）, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database （页面存档备份，存于互联网档案馆） (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.
| 元素与同位素的稳定度 | |||||||||||||||||||||||||||||||||
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