Reduction formula for point group Cs

Your representation

E h
324 24

can be reduced to

A' A''
174 150

Substraction of translational and rotational contributions results in

A' A''
171 147



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 318 318 171
quadratic 101124 50721 25584
cubic 32157432 5410240 2708184
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 171 147
quadratic 25584 25137
cubic 2708184 2702056
quartic XXX*XXX*
*Not calculated for systems with more than 75 atoms

Number of independant internal coordinates 171

Literature




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