Reduction formula for point group Cs

Your representation

E h
30 2

can be reduced to

A' A''
16 14

Substraction of translational and rotational contributions results in

A' A''
13 11



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 24 24 13
quadratic 576 300 157
cubic 13824 2600 1313
quartic 331776 17550 8827
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 11
quadratic 157 143
cubic 1313 1287
quartic 8827 8723

Number of independant internal coordinates 13

Literature




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