Reduction formula for point group D5

Your representation

E 2C5 (z) 2(C5)2 5C'2
24 4.8541 -1.8541 -2

can be reduced to

A1 A2 E1 E2
2 4 6 3

Substraction of translational and rotational contributions results in

A1 A2 E1 E2
2 2 4 3



Force field analysis

Infrared and Raman activities (harmonic approximation)
Method A1 A2 E1 E2
Infrared - + + -
Raman + - + +

Number of force field parameters
Force field No. 1 No. 2 No. 3
linear 18 18 2
quadratic 324 171 22
cubic 5832 1140 114
quartic 104976 5985 621
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 A1 A2 E1 E2
linear 2 2 4 3
quadratic 22 13 34 34
cubic 114 114 228 228
quartic 621 576 1197 1197

Number of independant internal coordinates 2

Literature




Character tables for chemically important point groups Character table for point group D5 Constructor University Bremen

Last update November, 13th 2023 by A. Gelessus, Impressum, Datenschutzerklärung/DataPrivacyStatement