スズの同位体
表示
(スズ126から転送)
スズ(Sn)には10種類もの安定な同位体が存在する。これは、50が陽子の魔法数であるからだと考えられる。28種類の不安定同位体も知られ、中には1994年に見つかった、二重魔法数の100Snもある[1]。
一覧
[編集]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 | |||||||
99Sn | 50 | 49 | 98.94933(64)# | 5# ms | 9/2+# | ||
100Sn | 50 | 50 | 99.93904(76) | 1.1(4) s [0.94(+54-27) s] | 0+ | ||
101Sn | 50 | 51 | 100.93606(32)# | 3(1) s | 5/2+# | ||
102Sn | 50 | 52 | 101.93030(14) | 4.5(7) s | 0+ | ||
102mSn | 2017(2) keV | 720(220) ns | (6+) | ||||
103Sn | 50 | 53 | 102.92810(32)# | 7.0(6) s | 5/2+# | ||
104Sn | 50 | 54 | 103.92314(11) | 20.8(5) s | 0+ | ||
105Sn | 50 | 55 | 104.92135(9) | 34(1) s | (5/2+) | ||
106Sn | 50 | 56 | 105.91688(5) | 115(5) s | 0+ | ||
107Sn | 50 | 57 | 106.91564(9) | 2.90(5) min | (5/2+) | ||
108Sn | 50 | 58 | 107.911925(21) | 10.30(8) min | 0+ | ||
109Sn | 50 | 59 | 108.911283(11) | 18.0(2) min | 5/2(+) | ||
110Sn | 50 | 60 | 109.907843(15) | 4.11(10) h | 0+ | ||
111Sn | 50 | 61 | 110.907734(7) | 35.3(6) min | 7/2+ | ||
111mSn | 254.72(8) keV | 12.5(10) µs | 1/2+ | ||||
112Sn | 50 | 62 | 111.904818(5) | STABLE | 0+ | 0.0097(1) | |
113Sn | 50 | 63 | 112.905171(4) | 115.09(3) d | 1/2+ | ||
113mSn | 77.386(19) keV | 21.4(4) min | 7/2+ | ||||
114Sn | 50 | 64 | 113.902779(3) | STABLE | 0+ | 0.0066(1) | |
114mSn | 3087.37(7) keV | 733(14) ns | 7- | ||||
115Sn | 50 | 65 | 114.903342(3) | STABLE | 1/2+ | 0.0034(1) | |
115m1Sn | 612.81(4) keV | 3.26(8) µs | 7/2+ | ||||
115m2Sn | 713.64(12) keV | 159(1) µs | 11/2- | ||||
116Sn | 50 | 66 | 115.901741(3) | STABLE | 0+ | 0.1454(9) | |
117Sn | 50 | 67 | 116.902952(3) | STABLE | 1/2+ | 0.0768(7) | |
117m1Sn | 314.58(4) keV | 13.76(4) d | 11/2- | ||||
117m2Sn | 2406.4(4) keV | 1.75(7) µs | (19/2+) | ||||
118Sn | 50 | 68 | 117.901603(3) | STABLE | 0+ | 0.2422(9) | |
119Sn | 50 | 69 | 118.903308(3) | STABLE | 1/2+ | 0.0859(4) | |
119m1Sn | 89.531(13) keV | 293.1(7) d | 11/2- | ||||
119m2Sn | 2127.0(10) keV | 9.6(12) µs | (19/2+) | ||||
120Sn | 50 | 70 | 119.9021947(27) | STABLE | 0+ | 0.3258(9) | |
120m1Sn | 2481.63(6) keV | 11.8(5) µs | (7-) | ||||
120m2Sn | 2902.22(22) keV | 6.26(11) µs | (10+)# | ||||
121Sn | 50 | 71 | 120.9042355(27) | 27.03(4) h | 3/2+ | ||
121m1Sn | 6.30(6) keV | 43.9(5) a | 11/2- | ||||
121m2Sn | 1998.8(9) keV | 5.3(5) µs | (19/2+)# | ||||
121m3Sn | 2834.6(18) keV | 0.167(25) µs | (27/2-) | ||||
122Sn | 50 | 72 | 121.9034390(29) | STABLE | 0+ | 0.0463(3) | |
123Sn | 50 | 73 | 122.9057208(29) | 129.2(4) d | 11/2- | ||
123m1Sn | 24.6(4) keV | 40.06(1) min | 3/2+ | ||||
123m2Sn | 1945.0(10) keV | 7.4(26) µs | (19/2+) | ||||
123m3Sn | 2153.0(12) keV | 6 µs | (23/2+) | ||||
123m4Sn | 2713.0(14) keV | 34 µs | (27/2-) | ||||
124Sn | 50 | 74 | 123.9052739(15) | STABLE [>100E+15 a] | 0+ | 0.0579(5) | |
124m1Sn | 2204.622(23) keV | 0.27(6) µs | 5- | ||||
124m2Sn | 2325.01(4) keV | 3.1(5) µs | 7- | ||||
124m3Sn | 2656.6(5) keV | 45(5) µs | (10+)# | ||||
125Sn | 50 | 75 | 124.9077841(16) | 9.64(3) d | 11/2- | ||
125mSn | 27.50(14) keV | 9.52(5) min | 3/2+ | ||||
126Sn | 50 | 76 | 125.907653(11) | 2.30(14)E+5 a | 0+ | trace | |
126m1Sn | 2218.99(8) keV | 6.6(14) µs | 7- | ||||
126m2Sn | 2564.5(5) keV | 7.7(5) µs | (10+)# | ||||
127Sn | 50 | 77 | 126.910360(26) | 2.10(4) h | (11/2-) | ||
127mSn | 4.7(3) keV | 4.13(3) min | (3/2+) | ||||
128Sn | 50 | 78 | 127.910537(29) | 59.07(14) min | 0+ | ||
128mSn | 2091.50(11) keV | 6.5(5) s | (7-) | ||||
129Sn | 50 | 79 | 128.91348(3) | 2.23(4) min | (3/2+)# | ||
129mSn | 35.2(3) keV | 6.9(1) min | (11/2-)# | ||||
130Sn | 50 | 80 | 129.913967(11) | 3.72(7) min | 0+ | ||
130m1Sn | 1946.88(10) keV | 1.7(1) min | (7-)# | ||||
130m2Sn | 2434.79(12) keV | 1.61(15) µs | (10+) | ||||
131Sn | 50 | 81 | 130.917000(23) | 56.0(5) s | (3/2+) | ||
131m1Sn | 80(30)# keV | 58.4(5) s | (11/2-) | ||||
131m2Sn | 4846.7(9) keV | 300(20) ns | (19/2- to 23/2-) | ||||
132Sn | 50 | 82 | 131.917816(15) | 39.7(8) s | 0+ | ||
133Sn | 50 | 83 | 132.92383(4) | 1.45(3) s | (7/2-)# | ||
134Sn | 50 | 84 | 133.92829(11) | 1.050(11) s | 0+ | ||
135Sn | 50 | 85 | 134.93473(43)# | 530(20) ms | (7/2-) | ||
136Sn | 50 | 86 | 135.93934(54)# | 0.25(3) s | 0+ | ||
137Sn | 50 | 87 | 136.94599(64)# | 190(60) ms | 5/2-# |
出典
[編集]- ^ Phil Walker (1994). “Doubly Magic Discovery of Tin-100”. PHYSICS WORLD 7 (June) .
参考文献
[編集]- 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.
1H | 2He |
| |||||||||||||||||||||||||
3Li | 4Be | 5B | 6C | 7N | 8O | 9F | 10Ne | ||||||||||||||||||||
11Na | 12Mg | 13Al | 14Si | 15P | 16S | 17Cl | 18Ar | ||||||||||||||||||||
19K | 20Ca | 21Sc | 22Ti | 23V | 24Cr | 25Mn | 26Fe | 27Co | 28Ni | 29Cu | 30Zn | 31Ga | 32Ge | 33As | 34Se | 35Br | 36Kr | ||||||||||
37Rb | 38Sr | 39Y | 40Zr | 41Nb | 42Mo | 43Tc | 44Ru | 45Rh | 46Pd | 47Ag | 48Cd | 49In | 50Sn | 51Sb | 52Te | 53I | 54Xe | ||||||||||
55Cs | 56Ba | *1 | 72Hf | 73Ta | 74W | 75Re | 76Os | 77Ir | 78Pt | 79Au | 80Hg | 81Tl | 82Pb | 83Bi | 84Po | 85At | 86Rn | ||||||||||
87Fr | 88Ra | *2 | 104Rf | 105Db | 106Sg | 107Bh | 108Hs | 109Mt | 110Ds | 111Rg | 112Cn | 113Nh | 114Fl | 115Mc | 116Lv | 117Ts | 118Og | ||||||||||
*1 | 57La | 58Ce | 59Pr | 60Nd | 61Pm | 62Sm | 63Eu | 64Gd | 65Tb | 66Dy | 67Ho | 68Er | 69Tm | 70Yb | 71Lu | ||||||||||||
*2 | 89Ac | 90Th | 91Pa | 92U | 93Np | 94Pu | 95Am | 96Cm | 97Bk | 98Cf | 99Es | 100Fm | 101Md | 102No | 103Lr | ||||||||||||
| |||||||||||||||||||||||||||
カテゴリ |