1 若干对称操作对特征标的贡献
对称操作
对特征标的贡献
对称操作
对特征标的贡献
E
3
i
-3
C2
-1
σ
1
C3
0
S3
-2
C4
1
S4
-1
2 点群特征标
1. Cs点群
Cs
E
σh
A'
1
1
x, y, Rz
x2, y2, z2, xy
A"
1
-1
z, Rx, Ry
yz, xz
2. Cn点群
C2
E
C2
A
1
1
z, Rz
x2, y2, z2, xy
B
1
-1
x, y, Rx, Ry
yz, xz
C6
E
C6
C3
C2
C32
C65
A
1
1
1
1
1
1
B
1
-1
1
-1
1
-1
E1
1
1
ε
ε*
-ε*
-ε
1
1
-ε
-ε*
ε*
ε
E2
1
1
-ε*
-ε
-ε
-ε*
1
1
-ε*
-ε
-ε
-ε*
Γφ
6
0
0
0
0
0
3. Cnv点群
C2ν
E
C2
σν(xz)
σν'(yz)
A1
1
1
1
1
z
x2, y2, z2
A2
1
1
-1
-1
Rz
xy
B1
1
-1
1
-1
x, Ry
xz
B2
1
-1
-1
1
y, Rx
yz
C3ν
E
2C3
3σν
A1
1
1
1
z
x2 + y2, z2
A2
1
1
-1
Rz
E
2
-1
0
(x, y) ( Rx, Ry)
(x2 – y2, xy) (xz, yz)
C4v
E
2 C4
C2
2 σν
2 σd
A1
1
1
1
1
1
z
x2 + y2, z2
A2
1
1
1
-1
-1
Rz
B1
1
-1
1
1
-1
x2 – y2
B2
1
-1
1
-1
1
xy
E
2
0
-2
0
0
(x, y) (Rx, Ry)
(xz, yz)
4. Cnh点群
C2h
E
C2
i
σh
Ag
1
1
1
1
Rz
x2, y2, z2, xy
Bg
1
-1
1
-1
Rx, Ry
xz, yz
Au
1
1
-1
-1
z
Bu
1
-1
-1
1
x, y
5. Dn点群
D3
E
2 C3
3 C2
A1
1
1
1
x2 + y2, z2
A2
1
1
-1
z, Rz
E
2
-1
0
(x, y) ( Rx, Ry)
(x2 – y2, xy) (xz, yz)
D4
E
2 C4
C2=C42
2 C2'
2 C2"
A1
1
1
1
1
1
x2 + y2, z2
A2
1
1
1
-1
-1
z, Rz
B1
1
-1
1
1
-1
x2 – y2
B2
1
-1
1
-1
1
xy
E
2
0
-2
0
0
(x, y) (Rx, Ry)
(xz, yz)
6. Dnh点群
D2h
E
C2(z)
C2(y)
C2(x)
i
σ(xy)
σ(xz)
σ(yz)
Ag
1
1
1
1
1
1
1
1
x2, y2, z2
B1g
1
1
-1
-1
1
1
-1
-1
Rz
xy
B2g
1
-1
1
-1
1
-1
1
-1
Ry
xz
B3g
1
-1
-1
1
1
-1
-1
1
Rx
yz
Au
1
1
1
1
-1
-1
-1
-1
B1u
1
1
-1
-1
-1
-1
1
1
z
B2u
1
-1
1
-1
-1
1
-1
1
y
B3u
1
-1
-1
1
-1
1
1
-1
x
D3h
E
2 C3
3 C2
σh
2S3
3σv
A1'
1
1
1
1
1
1
x2 + y2, z2
A2'
1
1
-1
1
1
-1
Rz
E'
2
-1
0
2
-1
0
(x, y)
(x2 – y2, xy)
A1"
1
1
1
-1
-1
-1
A2"
1
1
-1
-1
-1
1
z
E"
2
-1
0
-2
1
0
(Rx, Ry)
(xz, yz)
D4h
E
2 C4
C2
2 C2'
2C2"
i
2S4
σh
2 σv
2 σd
A1g
1
1
1
1
1
1
1
1
1
1
x2 + y2, z2
A2g
1
1
1
-1
-1
1
1
1
-1
-1
Rz
B1g
1
-1
1
1
-1
1
-1
1
1
-1
x2 – y2
B2g
1
-1
1
-1
1
1
-1
1
-1
1
xy
Eg
2
0
-2
0
0
2
0
-2
0
0
(Rx, Ry)
(xz, yz)
A1u
1
1
1
1
1
-1
-1
-1
-1
-1
A2u
1
1
1
-1
-1
-1
-1
-1
1
1
z
B1u
1
-1
1
1
-1
-1
1
-1
-1
1
B2u
1
-1
1
-1
1
-1
1
-1
1
-1
Eu
2
0
-2
0
0
-2
0
2
0
0
(x, y)
D5h
E
2 C5
2 C52
5C2
σh
2S5
2S53
5σv
A1'
1
1
1
1
1
1
1
1
x2 + y2, z2
A2'
1
1
1
-1
1
1
1
-1
Rz
E1'
2
2cos72?
2cos144?
0
2
2cos72?
2cos144?
0
(x, y)
E2'
2
2cos144?
2cos72?
0
2
2cos144?
2cos72?
0
(x2 – y2, xy)
A1"
1
1
1
1
-1
-1
-1
-1
A2"
1
1
1
-1
-1
-1
-1
1
z
E1"
2
2cos72?
2cos144?
0
-2
-2cos72?
-2cos144?
0
(Rx, Ry)
(xz, yz)
E2"
2
2cos144?
2cos72?
0
-2
-2cos144?
-2cos72?
0
D6h
E 2C6 2C3 C2 3C2' 3C2" i 2S3 2S6 σh 3σd 3σv
Γπ
6 0 0 0 -2 0 0 0 0 -6 2 0
7. Dnd点群
D2d
E
2 S4
C2
2 C2'
2 σd
A1
1
1
1
1
1
x2 + y2, z2
A2
1
1
1
-1
-1
Rz
B1
1
-1
1
1
-1
x2 – y2
B2
1
-1
1
-1
1
z
xy
E
2
0
-2
0
0
(x, y) (Rx, Ry)
(xz, yz)
D3d
E
2 C3
3 C2
i
2S6
3σd
A1g
1
1
1
1
1
1
x2 + y2, z2
A2g
1
1
-1
1
1
-1
Rz
Eg
2
-1
0
2
-1
0
(x, y)
(x2 – y2, xy) (xz, yz)
A1u
1
1
1
-1
-1
-1
A2u
1
1
-1
-1
-1
1
z
Eu
2
-1
0
-2
1
0
(Rx, Ry)
D5d
E
2 C5
3 C2
2C52
i
2S103
2S10
5σd
A1g
1
1
1
1
1
1
1
1
x2 + y2, z2
A2g
1
1
1
-1
1
1
1
-1
Rz
E1g
2
2cos72?
2cos144?
0
2
2cos72?
2cos144?
0
(Rx, Ry)
(xz, yz)
E2g
2
2cos144?
2cos72?
0
2
2cos144?
2cos72?
0
(x2 – y2, xy)
A1u
1
1
1
1
-1
-1
-1
-1
A2u
1
1
1
-1
-1
-1
-1
1
z
E1u
2
2cos72?
2cos144?
0
-2
-2cos72?
-2cos144?
0
(x, y)
E2u
2
2cos144?
2cos72?
0
-2
-2cos144?
-2cos72?
0
8. Td点群
Td
E
8C3
3C2
6S4
6σd
A1
1
1
1
1
1
x2 + y2 + z2
A2
1
1
1
-1
-1
E
2
-1
2
0
0
(2z2 – x2 – y2, x2 – y2)
T1
3
0
-1
1
-1
(Rx, Ry, Rz)
T2
3
0
-1
-1
1
(x, y, z)
(xy, xz, yz)
9. Oh点群
Oh
E
8C3
6C2
6C4
3C2
=C42
i
6S4
8S6
3σh
6σd
A1g
1
1
1
1
1
1
1
1
1
1
x2 + y2 + z2
A2g
1
1
-1
-1
1
1
-1
1
1
-1
Eg
2
-1
0
0
2
2
0
-1
2
0
(z2, x2 – y2)
T1g
3
0
-1
1
-1
3
1
0
-1
-1
(Rx, Ry, Rz)
T2g
3
0
1
-1
-1
3
-1
0
-1
1
(xy, xz, yz)
A1u
1
1
1
1
1
-1
-1
-1
-1
-1
A2u
1
1
-1
-1
1
-1
1
-1
-1
1
Eu
2
-1
0
0
2
-2
0
1
-2
0
T1u
3
0
-1
1
-1
-3
-1
0
1
1
(x, y, z)
T2u
3
0
1
-1
-1
-3
1
0
1
-1
10.