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Dn group - D4


D4

Symmetry elements for the group

Spectroscopy active component

 

E

2C4

C2 (=C42)

2C2

2C2

Microwave
IR
Raman

Symmetry label

A1

1

1

1

1

1

 

 

x2+y2, z2

A2

1

1

1

-1

-1

Rz

z

 

B1

1

-1

1

1

-1

 

 

x2-y2

B2

1

-1

1

-1

1

 

 

xy

E

2

0

-2

0

0

(Rx, Ry)

(x, y)

(xz, yz)

 

Dn is the simplest point group that there is. An examples of this is:

Also contained in this group (Dn group) is:   D2  D3 D5  D6 D7  D8