Reduction formula for point group Ci

Your representation

E i
324 0

can be reduced to

Ag Au
162 162

Substraction of translational and rotational contributions results in

Ag Au
159 159



Force field analysis

Infrared and Raman activities (harmonic approximation)
Method Ag Au
Infrared - +
Raman + -

Number of force field parameters
Force field No. 1 No. 2 No. 3
linear 318 318 159
quadratic 101124 50721 25440
cubic 32157432 5410240 2705120
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 Ag Au
linear 159 159
quadratic 25440 25281
cubic 2705120 2705120
quartic XXX*XXX*
*Not calculated for systems with more than 75 atoms

Number of independant internal coordinates 159

Literature




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