Reduction formula for point group Cs

Your representation

E h
12 4

can be reduced to

A' A''
8 4

Substraction of translational and rotational contributions results in

A' A''
5 1



Force field analysis

Infrared and Raman activities (harmonic approximation)
Method A' A''
Infrared + +
Raman + +

Number of force field parameters
Force field No. 1 No. 2 No. 3
linear 6 6 5
quadratic 36 21 16
cubic 216 56 40
quartic 1296 126 86
No. 1 : Total number of force constants .
No. 2 : Total number of force constants k.
No. 3 : Total number of nonvanishing force constants k.

Symmetry properties of force field parameters
Force field A' A''
linear 5 1
quadratic 16 5
cubic 40 16
quartic 86 40

Number of independant internal coordinates 5

Literature




Character tables for chemically important point groups Character table for point group Cs Jacobs University Bremen