Reduction formula for point group Cs

Your representation

E h
24 6

can be reduced to

A' A''
15 9

Substraction of translational and rotational contributions results in

A' A''
12 6



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 18 18 12
quadratic 324 171 99
cubic 5832 1140 616
quartic 104976 5985 3129
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 12 6
quadratic 99 72
cubic 616 524
quartic 3129 2856

Number of independant internal coordinates 12

Literature




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