Reduction formula for point group Cs

Your representation

E h
78 8

can be reduced to

A' A''
43 35

Substraction of translational and rotational contributions results in

A' A''
40 32



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 72 72 40
quadratic 5184 2628 1348
cubic 373248 64824 32600
quartic 26873856 1215450 608730
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 40 32
quadratic 1348 1280
cubic 32600 32224
quartic 608730 606720

Number of independant internal coordinates 40

Literature




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