Reduction formula for point group Cs

Your representation

E h
15 5

can be reduced to

A' A''
10 5

Substraction of translational and rotational contributions results in

A' A''
7 2



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 9 9 7
quadratic 81 45 31
cubic 729 165 105
quartic 6561 495 299
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 7 2
quadratic 31 14
cubic 105 60
quartic 299 196

Number of independant internal coordinates 7

Literature




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