錳的同位素
| ||||||||||||||||||||||||||||||||||||||||||||||||||
| 標準原子質量 (Ar, 標準) |
| |||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ||||||||||||||||||||||||||||||||||||||||||||||||||
錳（原子量：54.938043(2)）共有32個同位素，其中有1個是穩定的。
圖表
[編輯]| 符號 | Z | N | 同位素質量（u） [n 1][n 2] |
半衰期 [n 1][n 2] |
衰變 方式[2] |
衰變 產物 [n 3] |
原子核 自旋[n 1] |
相對豐度 （莫耳分率） |
|---|---|---|---|---|---|---|---|---|
| 激發能量[n 1][n 2] | ||||||||
| 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) | 穩定 | 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−# | |||
| ← | 同位素列表 | → |
| 鉻的同位素 | 錳的同位素 | 鐵的同位素 |
參考文獻
[編輯]- ^ 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 （英語）.
- ^ Universal Nuclide Chart
. nucleonica. [2015-09-12]. （原始內容存檔於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 （頁面存檔備份，存於網際網路檔案館）, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database （頁面存檔備份，存於網際網路檔案館） (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.