Reduction formula for point group Cs

Your representation

E h
66 6

can be reduced to

A' A''
36 30

Substraction of translational and rotational contributions results in

A' A''
33 27



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 60 60 33
quadratic 3600 1830 939
cubic 216000 37820 19019
quartic 12960000 595665 298368
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 33 27
quadratic 939 891
cubic 19019 18801
quartic 298368 297297

Number of independant internal coordinates 33

Literature




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