Reduction formula for point group C2h

Your representation

E C2 (z) i h
57 -3 -3 9

can be reduced to

Ag Bg Au Bu
15 12 12 18

Substraction of translational and rotational contributions results in

Ag Bg Au Bu
14 10 11 16



Force field analysis

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

Number of force field parameters
Force field No. 1 No. 2 No. 3
linear 51 51 14
quadratic 2601 1326 362
cubic 132651 23426 5918
quartic 6765201 316251 79683
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 Bg Au Bu
linear 14 10 11 16
quadratic 362 316 314 334
cubic 5918 5754 5782 5972
quartic 79683 78672 78618 79278

Number of independant internal coordinates 14

Literature




Character tables for chemically important point groups Character table for point group C2h Jacobs University Bremen