Chemistry Reference
In-Depth Information
A.1 Finite Point Groups
C 1 and the Binary Groups C s ,C i ,C 2
E
C 1
A
1
E
C s
σ h
ˆ
A
x 2 ,y 2 ,z 2 ,xy
1
1
x,y,R z
A
1
1
z,R x ,R y
yz,xz
E
C i
ı
ˆ
x 2 ,y 2 ,z 2 ,yz,xz,xy
A g
1
1
R x ,R y ,R z
A u
1
1
x,y,z
E
C 2
C 2
x 2 ,y 2 ,z 2 ,xy
A
1
1
z,R z
B
1
1
x,y,R x ,R y
yz,xz
The Cyclic Groups C n (n = 3 , 4 , 5 , 6 , 7 , 8 )
E
C 3
C 3
C 3
=
exp ( 2 πi/ 3 )
x 2
y 2 ,z 2
A
1
1
1
z,R z
+
E
1
¯
(x 2
y 2 ,xy)(yz,xz)
(x,y)(R x ,R y )
1
¯
E
C 4
C 2
C 4
C 4
x 2
+ y 2 ,z 2
A
1
1
1
1
z,R z
x 2
y 2 ,xy
B
1
1
1
1
E
1
i
1
i
(x,y)(R x ,R y )
(yz,xz)
1
i
1
i
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