Reduction formula for point group Cs

Your representation

E h
6 2

can be reduced to

A' A''
4 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 6 6 4
quadratic 36 21 13
cubic 216 56 32
quartic 1296 126 70
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 4 2
quadratic 13 8
cubic 32 24
quartic 70 56

Number of independant internal coordinates 4

Literature




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