アンチモンの同位体

アンチモンの同位体（アンチモンのどういたい）では、アンチモン（Sb）の同位体について記述する。

標準原子量: 121.760(1) u

 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 103Sb 51 52 102.93969(32)# 100# ms [>1.5 µs] 5/2+# 104Sb 51 53 103.93647(39)# 0.47(13) s [0.44(+15-11) s] 105Sb 51 54 104.93149(11) 1.12(16) s (5/2+) 106Sb 51 55 105.92879(34)# 0.6(2) s (4+) 106mSb 1000(500)# keV 220(20) ns 107Sb 51 56 106.92415(32)# 4.0(2) s 5/2+# 108Sb 51 57 107.92216(22)# 7.4(3) s (4+) 109Sb 51 58 108.918132(20) 17.3(5) s 5/2+# 110Sb 51 59 109.91675(22)# 23.0(4) s (4+) 111Sb 51 60 110.91316(3) 75(1) s (5/2+) 112Sb 51 61 111.912398(19) 51.4(10) s 3+ 113Sb 51 62 112.909372(19) 6.67(7) min 5/2+ 114Sb 51 63 113.90927(3) 3.49(3) min (3+) 114mSb 495.5(7) keV 219(12) µs (8-) 115Sb 51 64 114.906598(17) 32.1(3) min 5/2+ 116Sb 51 65 115.906794(6) 15.8(8) min 3+ 116m1Sb 93.99(5) keV 194(4) ns 1+ 116m2Sb 380(40) keV 60.3(6) min 8- 117Sb 51 66 116.904836(10) 2.80(1) h 5/2+ 118Sb 51 67 117.905529(4) 3.6(1) min 1+ 118m1Sb 50.814(21) keV 20.6(6) µs (3)+ 118m2Sb 250(6) keV 5.00(2) h 8- 119Sb 51 68 118.903942(9) 38.19(22) h 5/2+ 119m1Sb 2553.6(3) keV 130(3) ns (19/2-) 119m2Sb 2852(7) keV 850(90) ms 27/2+# 120Sb 51 69 119.905072(8) 15.89(4) min 1+ 120m1Sb 0(100)# keV 5.76(2) d 8- 120m2Sb 78.16(5) keV 246(2) ns (3+) 120m3Sb 2328.3(6) keV 400(8) ns (6) 121Sb 51 70 120.9038157(24) 安定同位体 5/2+ 0.5721(5) 122Sb 51 71 121.9051737(24) 2.7238(2) d 2- 122m1Sb 61.4131(5) keV 1.86(8) µs 3+ 122m2Sb 137.4726(8) keV 0.53(3) ms (5)+ 122m3Sb 163.5591(17) keV 4.191(3) min (8)- 123Sb 51 72 122.9042140(22) 安定同位体 7/2+ 0.4279(5) 124Sb 51 73 123.9059357(22) 60.20(3) d 3- 124m1Sb 10.8627(8) keV 93(5) s 5+ 124m2Sb 36.8440(14) keV 20.2(2) min (8)- 124m3Sb 40.8038(7) keV 3.2(3) µs (3+,4+) 125Sb 51 74 124.9052538(28) 2.75856(25) a 7/2+ 126Sb 51 75 125.90725(3) 12.35(6) d (8-) 126m1Sb 17.7(3) keV 19.15(8) min (5+) 126m2Sb 40.4(3) keV ~11 s (3-) 126m3Sb 104.6(3) keV 553(5) ns (3+) 127Sb 51 76 126.906924(6) 3.85(5) d 7/2+ 128Sb 51 77 127.909169(27) 9.01(4) h 8- 128mSb 10(7) keV 10.4(2) min 5+ 129Sb 51 78 128.909148(23) 4.40(1) h 7/2+ 129m1Sb 1851.05(10) keV 17.7(1) min (19/2-) 129m2Sb 1860.90(10) keV >2 µs (15/2-) 129m3Sb 2138.9(5) keV 1.1(1) µs (23/2+) 130Sb 51 79 129.911656(18) 39.5(8) min (8-)# 130mSb 4.80(20) keV 6.3(2) min (4,5)+ 131Sb 51 80 130.911982(22) 23.03(4) min (7/2+) 132Sb 51 81 131.914467(15) 2.79(5) min (4+) 132m1Sb 200(30) keV 4.15(5) min (8-) 132m2Sb 254.5(3) keV 102(4) ns (6-) 133Sb 51 82 132.915252(27) 2.5(1) min (7/2+) 134Sb 51 83 133.92038(5) 0.78(6) s (0-) 134mSb 80(110) keV 10.07(5) s (7-) 135Sb 51 84 134.92517(11) 1.68(2) s (7/2+) 136Sb 51 85 135.93035(32)# 0.923(14) s 1-# 136mSb 173(3) keV 570(50) ns 6-# 137Sb 51 86 136.93531(43)# 450(50) ms 7/2+# 138Sb 51 87 137.94079(32)# 500# ms [>300 ns] 2-# 139Sb 51 88 138.94598(54)# 300# ms [>300 ns] 7/2+#

 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).
 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.

Category:同位体の一覧
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