31. Electronic structure of atoms, molecules and their ions: theory ( 0 Dok.)

• 31.10.+z Theory of electronic structure, electronic transitions, and chemical binding ( 0 Dok. )

• 31.15.-p Calculations and mathematical techniques in atomic and molecular physics (excluding electron correlation calculations) (see also 02.70 computational techniques, in mathematical methods in physics) ( 0 Dok. )

• 31.25.-v Electron correlation calculations for atoms and molecules ( 0 Dok. )

• 31.30.-i Corrections to electronic structure ( 0 Dok. )

• 31.50.+w Excited states ( 0 Dok. )

• 31.70.-f Effects of atomic and molecular interactions On electronic structure (see also 34 Atomic and molecular collision processes and interactions) ( 0 Dok. )

• 31.90.+s Other topics in the theory of the electronic structure of atoms, molecules, and their ions (restricted to new topics in section 31) ( 0 Dok. )