Reduction formula for point group Cs

Your representation

E h
72 8

can be reduced to

A' A''
40 32

Substraction of translational and rotational contributions results in

A' A''
37 29



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 66 66 37
quadratic 4356 2211 1138
cubic 287496 50116 25234
quartic 18974736 864501 433155
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 37 29
quadratic 1138 1073
cubic 25234 24882
quartic 433155 431346

Number of independant internal coordinates 37

Literature




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