Reduction formula for point group Cs



Characters for molecular motions
Motion E h
Cartesian 3N 21 1
Translation (x,y,z) 3 1
Rotation (Rx,Ry,Rz) 3 -1
Vibration 15 1



Decomposition into Irreducible representations
Motion A' A'' Total
Cartesian 3N 11 10 21
Translation (x,y,z) 2 1 3
Rotation (Rx,Ry,Rz) 1 2 3
Vibration 8 7 15



Molecule Parameter
Number of Atoms (N) 7
Number of internal coordinates 15
Number of independant internal coordinates 8
Number of vibrational modes 15





Force field analysis


Allowed / forbidden vibronational transitions
Operator A' A'' Total
Linear (IR) 8 7 15 / 0
Quadratic (Raman) 8 7 15 / 0
IR + Raman 8 7 15 / 0



Characters of symmetric powers for vibration representation
Force field Tensor
Order
E h
linear 1 15 1
quadratic 2 120 8
cubic 3 680 8
quartic 4 3.060 36
quintic 5 11.628 36
sextic 6 38.760 120


Decomposition into Irreducible representations
Number of nonvanshing force constants
Force field Tensor
Order
A' A''
linear 1 8 7
quadratic 2 64 56
cubic 3 344 336
quartic 4 1.548 1.512
quintic 5 5.832 5.796
sextic 6 19.440 19.320


Literature




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

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