Reduction formula for point group D5

Your representation

E 2C5 (z) 2(C5)2 5C'2
63 1.6180 -0.6180 -1

can be reduced to

A1 A2 E1 E2
6 7 13 12

Substraction of translational and rotational contributions results in

A1 A2 E1 E2
6 5 11 12



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 57 57 6
quadratic 3249 1653 180
cubic 185193 32509 3265
quartic 10556001 487635 48981
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 6 5 11 12
quadratic 180 151 331 330
cubic 3265 3236 6502 6502
quartic 48981 48546 97527 97527

Number of independant internal coordinates 6

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