Gadolinium (Gd)
Atomic Data for Gadolinium (Gd)
Atomic Number = 64
Atomic Weight = 157.25
Reference
E95
Isotope
Mass
Abundance
Spin
Mag Moment
152
Gd
151.919786
0.20%
0
154
Gd
153.920861
2.18%
0
155
Gd
154.922618
14.80%
3/2
-0.27
156
Gd
155.922118
20.47%
0
157
Gd
156.923956
15.65%
3/2
-0.36
158
Gd
157.924099
24.84%
0
160
Gd
159.927049
21.86%
0
Gd 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
7
5
d
6
s
2
9
D°
2
Ionization energy 49601.45 cm
-1
(6.14980 eV) Ref.
MOW98
Gd 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
7
5
d
6
s
1
0
D°
5
/
2
Ionization energy 97500 cm
-1
(12.09 eV) Ref.
SR73
