Symbols used to identify irreducible representations of Groups:

- singly degenerate state which is symmetric with respect to Rotation about the principal axis,
- singly Degenerate state which is antisymmetric with respect to Rotation about the principal axis,
- doubly Degenerate,
- triply Degenerate,
- (gerade, symmetric) the sign of the wavefunction does not change on Inversion through the center of the atom,
- (ungerade, antisymmetric) the sign of the wavefunction changes on Inversion through the center of the atom,
- (on or ) the sign of the wavefunction does not change upon Rotation about the center of the atom,
- (on or ) the sign of the wavefunction changes upon Rotation about the center of the atom,
- ' = symmetric with respect to a horizontal symmetry plane ,
- '' = antisymmetric with respect to a horizontal symmetry plane .

© 1996-9

1999-05-26