Reduction formula for point group Cs

Your representation

E h
21 5

can be reduced to

A' A''
13 8

Substraction of translational and rotational contributions results in

A' A''
10 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 15 15 10
quadratic 225 120 70
cubic 3375 680 370
quartic 50625 3060 1610
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 10 5
quadratic 70 50
cubic 370 310
quartic 1610 1450

Number of independant internal coordinates 10

Literature




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