Reduction formula for point group Cs

Your representation

E h
324 12

can be reduced to

A' A''
168 156

Substraction of translational and rotational contributions results in

A' A''
165 153



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 318 318 165
quadratic 101124 50721 25476
cubic 32157432 5410240 2706220
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 165 153
quadratic 25476 25245
cubic 2706220 2704020
quartic XXX*XXX*
*Not calculated for systems with more than 75 atoms

Number of independant internal coordinates 165

Literature




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