- 3. Atoms and Molecules 3. Атоми і молекули Original contributions RNA absorption aromatic amino acids benzene capsid proteins classes of symmetry-group projective representations dispersion of elementary excitations electronic states factor systems fluorescence graphene graphite hydroxypropyl cellulose infectious pancreatic necrosis virus iони солей microgel normal-vibration patterns phase transition phosphorescence salt ions spectroscopy spin-dependent splitting spinor representations of symmetry groups vector and spinor representations of symmetry groups бензен векторнi та спiнорнi представлення груп симетрiї