Reduction formula for point group Cs

Your representation

E h
324 8

can be reduced to

A' A''
166 158

Substraction of translational and rotational contributions results in

A' A''
163 155



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 318 318 163
quadratic 101124 50721 25456
cubic 32157432 5410240 2705800
quartic XXX*XXX*XXX*
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 163 155
quadratic 25456 25265
cubic 2705800 2704440
quartic XXX*XXX*
*Not calculated for systems with more than 75 atoms

Number of independant internal coordinates 163

Literature




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