Terbium (Tb)
Atomic Data for Terbium (Tb)
Atomic Number = 65
Atomic Weight = 158.92534
Reference
E95
Isotope
Mass
Abundance
Spin
Mag Moment
159
Tb
158.925342
100%
3/2
+1.95
Tb 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
6
)4
f
9
6
s
2
6
H°
1
5
/
2
Ionization energy 47294 cm
-1
(5.8638 eV) Ref.
WSPC78
Tb 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
6
)4
f
9
(
6
H°
1
5
/
2
)6
s
(
1
5
/
2
,
1
/
2
)°
8
Ionization energy 92900 cm
-1
(11.52 eV) Ref.
SR65