Lutetium (Lu)
Atomic Data for Lutetium (Lu)
Atomic Number = 71
Atomic Weight = 174.967
Reference
E95
Isotope
Mass
Abundance
Spin
Mag Moment
175
Lu
174.940770
97.41%
7/2
+2.2327
176
Lu
175.942679
2.59%
7
+3.19
Lu 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
6
s
2
2
D
3
/
2
Ionization energy 43762.50 cm
-1
(5.42586 eV) Ref.
CT72
,
MMMS89
Lu 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
)6
s
2
1
S
0
Ionization energy 112000 cm
-1
(13.9 eV) Ref.
MZH78
