Results for Point Group D1



Force field analysis


Allowed / forbidden vibronational transitions
Operator Total
Linear (IR) 0 0 0 / 0
Quadratic (Raman) 0 0 0 / 0
IR + Raman - - - - - - - - 0 / 0


Characters of force fields
(Symmetric powers of vibration representation)
Force field E C'2
linear 0 0
quadratic 0 0
cubic 0 0
quartic 0 0
quintic 0 0
sextic 0 0


Decomposition to irreducible representations
Column with number of nonvanshing force constants highlighted
Force field
linear 0 0
quadratic 0 0
cubic 0 0
quartic 0 0
quintic 0 0
sextic 0 0


Further Reading



Contributions to nonvanishing force field constants


pos(X) : Position of irreducible representation (irrep) X in character table of D1

Subtotal: <Number of nonvanishing force constants in subsection> / <number of nonzero irrep combinations in subsection> / <number of irrep combinations in subsection>
Total: <Number of nonvanishing force constants in force field> / <number of nonzero irrep combinations in force field> / <number of irrep combinations in force field>


Contributions to nonvanishing quadratic force field constants
Irrep combinations (i,i) with indices: pos() ≤ i ≤ pos()
Subtotal: 0 / 0 / 2
Irrep combinations (i,j) with indices: pos() ≤ i ≤ j ≤ pos()
Subtotal: 0 / 0 / 1
Total: 0 / 0 / 3


Contributions to nonvanishing cubic force field constants
Irrep combinations (i,i,i) with indices: pos() ≤ i ≤ pos()
Subtotal: 0 / 0 / 2
Irrep combinations (i,i,j) (i,j,j) with indices: pos() ≤ i ≤ j ≤ pos()
Subtotal: 0 / 0 / 2
Irrep combinations (i,j,k) with indices: pos() ≤ i ≤ j ≤ k ≤ pos()
Subtotal: 0 / 0 / 0
Total: 0 / 0 / 4


Contributions to nonvanishing quartic force field constants
Irrep combinations (i,i,i,i) with indices: pos() ≤ i ≤ pos()
Subtotal: 0 / 0 / 2
Irrep combinations (i,i,i,j) (i,j,j,j) with indices: pos() ≤ i ≤ j ≤ pos()
Subtotal: 0 / 0 / 2
Irrep combinations (i,i,j,j) with indices: pos() ≤ i ≤ j ≤ pos()
Subtotal: 0 / 0 / 1
Irrep combinations (i,i,j,k) (i,j,j,k) (i,j,k,k) with indices: pos() ≤ i ≤ j ≤ k ≤ pos()
Subtotal: 0 / 0 / 0
Irrep combinations (i,j,k,l) with indices: pos() ≤ i ≤ j ≤ k ≤ l ≤ pos()
Subtotal: 0 / 0 / 0
Total: 0 / 0 / 5


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