Reduction formula for point group Cs

Your representation

E h
24 8

can be reduced to

A' A''
16 8

Substraction of translational and rotational contributions results in

A' A''
13 5



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 18 18 13
quadratic 324 171 106
cubic 5832 1140 650
quartic 104976 5985 3255
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 13 5
quadratic 106 65
cubic 650 490
quartic 3255 2730

Number of independant internal coordinates 13

Literature




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