Reduction formula for point group Cs

Your representation

E h
21 7

can be reduced to

A' A''
14 7

Substraction of translational and rotational contributions results in

A' A''
11 4



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 15 15 11
quadratic 225 120 76
cubic 3375 680 396
quartic 50625 3060 1696
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 11 4
quadratic 76 44
cubic 396 284
quartic 1696 1364

Number of independant internal coordinates 11

Literature




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