Hafnium (Hf)
Atomic Data for Hafnium (Hf)
Atomic Number = 72
Atomic Weight = 178.49
Reference
E95
Isotope
Mass
Abundance
Spin
Mag Moment
176
Hf
175.941406
5.21%
0
177
Hf
176.943217
18.6%
7/2
+0.7935
178
Hf
177.943696
27.30%
0
179
Hf
178.945812
13.63%
9/2
-0.6409
180
Hf
179.946545
35.10%
0
Hf 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
4
f
1
4
5
s
2
5
p
6
5
d
2
6
s
2
3
F
2
Ionization energy 55047.9 cm
-1
(6.82507 eV) Ref.
CHR88b
Hf 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
4
f
1
4
5
s
2
5
p
6
5
d
6
s
2
2
P°
3
/
2
Ionization energy 120000 cm
-1
(15 eV) Ref.
M58
