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Dn group - D7


D7

Symmetry elements for the group

Spectroscopy active component

E

2C7

2(C7)2

2(C7)3

7C'2

Microwave

IR

Raman

Symmetry label

A1

1

1

1

1

1

 

 

x2+y2, z2

A2

1

1

1

1

-1

Rz

z

 

E1

2

2 cos (2p/7)

2 cos (4p/7)

2 cos (6p/7)

0

(Rx, Ry)

(x, y)

(xz, yz)

E2

2

2 cos (4p/7)

2 cos (6p/7)

2 cos (2p/7)

0

 

 

(x2-y2, xy)

E3

2

2 cos (6p/7)

2 cos (2p/7)

2 cos (4p/7)

0

 

 

 

 

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


Also contained in this group (Dn group) is:   D2  D3 D4 D5 D6  D8