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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
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
103 Sb
51
52
102.93969(32)#
100# ms [>1.5 µs]
5/2 #
104 Sb
51
53
103.93647(39)#
0.47(13) s [0.44( 15-11) s]
105 Sb
51
54
104.93149(11)
1.12(16) s
(5/2 )
106 Sb
51
55
105.92879(34)#
0.6(2) s
(4 )
106m Sb
1000(500)# keV
220(20) ns
107 Sb
51
56
106.92415(32)#
4.0(2) s
5/2 #
108 Sb
51
57
107.92216(22)#
7.4(3) s
(4 )
109 Sb
51
58
108.918132(20)
17.3(5) s
5/2 #
110 Sb
51
59
109.91675(22)#
23.0(4) s
(4 )
111 Sb
51
60
110.91316(3)
75(1) s
(5/2 )
112 Sb
51
61
111.912398(19)
51.4(10) s
3
113 Sb
51
62
112.909372(19)
6.67(7) min
5/2
114 Sb
51
63
113.90927(3)
3.49(3) min
(3 )
114m Sb
495.5(7) keV
219(12) µs
(8-)
115 Sb
51
64
114.906598(17)
32.1(3) min
5/2
116 Sb
51
65
115.906794(6)
15.8(8) min
3
116m1 Sb
93.99(5) keV
194(4) ns
1
116m2 Sb
380(40) keV
60.3(6) min
8-
117 Sb
51
66
116.904836(10)
2.80(1) h
5/2
118 Sb
51
67
117.905529(4)
3.6(1) min
1
118m1 Sb
50.814(21) keV
20.6(6) µs
(3)
118m2 Sb
250(6) keV
5.00(2) h
8-
119 Sb
51
68
118.903942(9)
38.19(22) h
5/2
119m1 Sb
2553.6(3) keV
130(3) ns
(19/2-)
119m2 Sb
2852(7) keV
850(90) ms
27/2 #
120 Sb
51
69
119.905072(8)
15.89(4) min
1
120m1 Sb
0(100)# keV
5.76(2) d
8-
120m2 Sb
78.16(5) keV
246(2) ns
(3 )
120m3 Sb
2328.3(6) keV
400(8) ns
(6)
121 Sb
51
70
120.9038157(24)
安定同位体
5/2
0.5721(5)
122 Sb
51
71
121.9051737(24)
2.7238(2) d
2-
122m1 Sb
61.4131(5) keV
1.86(8) µs
3
122m2 Sb
137.4726(8) keV
0.53(3) ms
(5)
122m3 Sb
163.5591(17) keV
4.191(3) min
(8)-
123 Sb
51
72
122.9042140(22)
安定同位体
7/2
0.4279(5)
124 Sb
51
73
123.9059357(22)
60.20(3) d
3-
124m1 Sb
10.8627(8) keV
93(5) s
5
124m2 Sb
36.8440(14) keV
20.2(2) min
(8)-
124m3 Sb
40.8038(7) keV
3.2(3) µs
(3 ,4 )
125 Sb
51
74
124.9052538(28)
2.75856(25) a
7/2
126 Sb
51
75
125.90725(3)
12.35(6) d
(8-)
126m1 Sb
17.7(3) keV
19.15(8) min
(5 )
126m2 Sb
40.4(3) keV
~11 s
(3-)
126m3 Sb
104.6(3) keV
553(5) ns
(3 )
127 Sb
51
76
126.906924(6)
3.85(5) d
7/2
128 Sb
51
77
127.909169(27)
9.01(4) h
8-
128m Sb
10(7) keV
10.4(2) min
5
129 Sb
51
78
128.909148(23)
4.40(1) h
7/2
129m1 Sb
1851.05(10) keV
17.7(1) min
(19/2-)
129m2 Sb
1860.90(10) keV
>2 µs
(15/2-)
129m3 Sb
2138.9(5) keV
1.1(1) µs
(23/2 )
130 Sb
51
79
129.911656(18)
39.5(8) min
(8-)#
130m Sb
4.80(20) keV
6.3(2) min
(4,5)
131 Sb
51
80
130.911982(22)
23.03(4) min
(7/2 )
132 Sb
51
81
131.914467(15)
2.79(5) min
(4 )
132m1 Sb
200(30) keV
4.15(5) min
(8-)
132m2 Sb
254.5(3) keV
102(4) ns
(6-)
133 Sb
51
82
132.915252(27)
2.5(1) min
(7/2 )
134 Sb
51
83
133.92038(5)
0.78(6) s
(0-)
134m Sb
80(110) keV
10.07(5) s
(7-)
135 Sb
51
84
134.92517(11)
1.68(2) s
(7/2 )
136 Sb
51
85
135.93035(32)#
0.923(14) s
1-#
136m Sb
173(3) keV
570(50) ns
6-#
137 Sb
51
86
136.93531(43)#
450(50) ms
7/2 #
138 Sb
51
87
137.94079(32)#
500# ms [>300 ns]
2-#
139 Sb
51
88
138.94598(54)#
300# ms [>300 ns]
7/2 #
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.