X-Nico

unusual facts about point group



Fermi resonance

the two vibrational states of a molecule transform according to the same irreducible representation of the molecular point group.

Symmetry operation

The four symmetry operations E, C2, σ(xz)and σ(yz) form the point group C2v.


see also

David Shaw

David Evans Shaw (born 1951), American entrepreneur; managing partner of Black Point Group; spouse of actress Glenn Close