Table 4.3
Relations between magnetism and crystal
field properties for different d
n
Stereochemistry
Octahedral
Tetrahedral
No. of
d-electrons
Free ion
Ground term
t
n
2g e
m
g ground
configuration
Ligand
field
ground term
Quenching of
orbital contribution
Ground
configuration
Ligand
field
ground term
Quenching of
orbital contribution
1
2
D
t
1
2 g
2
T
2g
No
e
1
2
E
Yes
2
3
F
t
2
2 g
3
T
1g
No
e
1
3
A
2
Yes
4
F
t
3
2 g
4
A
2g
Yes
e
2
t
1
2
4
T
1
No
4
5
D
t
3
2 g
e
1
g
5
E
g
Yes
e
2
t
2
2
5
T
2
No
t
4
2 g
3
T
1g
No
–
–
–
5
6
S
t
3
2 g
2
g
6
A
1g
Yes
e
2
t
3
2
6
A
1
Yes
t
5
2 g
2
T
2g
No
–
–
–
6
5
D
t
4
2 g
2
g
5
T
2g
No
e
3
t
3
2
5
E
Yes
t
6
2 g
1
A
1g
Yes
–
–
–
7
4
F
t
5
2 g
2
g
4
T
1g
No
e
4
t
3
2
–
Yes
t
6
2 g
À1
2
E
g
Yes
–
–
–
8
3
F
t
6
2 g
2
g
3
A
2 g
Yes
e
4
t
4
2
3
T
1
No
9
2
D
t
6
2 e
3
g
2
E
g
Yes
e
4
t
5
2
2
T
2
No
72
4 Magnetism