Reduction formula for point group Cs

Your representation

E h
51 5

can be reduced to

A' A''
28 23

Substraction of translational and rotational contributions results in

A' A''
25 20



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 45 45 25
quadratic 2025 1035 535
cubic 91125 16215 8175
quartic 4100625 194580 97580
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 25 20
quadratic 535 500
cubic 8175 8040
quartic 97580 97000

Number of independant internal coordinates 25

Literature




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