Antimony (Sb)
Atomic Data for Antimony (Sb)
Atomic Number = 51
Atomic Weight = 121.75
Reference
E95
Isotope
Mass
Abundance
Spin
Mag Moment
121
Sb
120.903821
57.3%
5/2
+3.3592
123
Sb
122.904216
42.7%
7/2
+2.5466
Sb I Ground State 1
s
2
2
s
2
2
p
6
3
s
2
3
p
6
3
d
1
0
4
s
2
4
p
6
4
d
1
0
5
s
2
5
p
3
4
S°
3
/
2
Ionization energy 69431.34 cm
-1
(8.60839 eV) Ref.
BW86
Sb II Ground State 1
s
2
2
s
2
2
p
6
3
s
2
3
p
6
3
d
1
0
4
s
2
4
p
6
4
d
1
0
5
s
2
5
p
2
3
P
0
Ionization energy 134100 cm
-1
(16.63 eV) Ref.
C66b