Structure, conformational analysis and intramolecular interactions of organic compounds.
Conjugation and hyperconjugation in cyclic systems, different types of aromaticity and its relationship with conformational flexibility.
Weak intermolecular interactions including non-conventional hydrogen bonds, σ-hole bonding, stacking, interactions of anions with π-systems.
Supramolecular architecture and polymorphism of molecular crystals.
Crystal structure and properties of inorganic materials and thin films.
Mathematical tools in quantum chemistry, electron correlation problems, models of many-electron states.