Reduction formula for point group Cs

Your representation

E h
180 4

can be reduced to

A' A''
92 88

Substraction of translational and rotational contributions results in

A' A''
89 85



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 174 174 89
quadratic 30276 15225 7660
cubic 5268024 893200 446780
quartic 916636176 39524100 19764320
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 89 85
quadratic 7660 7565
cubic 446780 446420
quartic 19764320 19759780

Number of independant internal coordinates 89

Literature




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