Theoretical Organic Chemistry Theories for Organic ?-Networks Electrostatic Potential for Analysis and Prediction of Intermolecular Interactions Reactivity-Selectivity Principle Estimated by Density Functional Theory Studies Hardness and Softness Theory of Bond Energies and Chemical Reactivity Molecular Geometry as a Source of Chemical Information Average Local Ionization Energies Intrinsic Proton Affinity of Substituted Aromatics Dipole Moments of Aromatic Heterocycles New Developments in the Analysis of Vibrational Spectra Atomistic Modeling of Enantioselection Applications in Chiral Chromatography Theoretical Investigation of Carbon Nets and Molecules Protein Transmembrane Structure Polycyclic Aromatic Hydrocarbon Carcinogenicity Theoretical Modelling and Experimental Facts Computational Study and Synthetic Applications of Heterocycle Transformations Structural Dependence of Spin-Orbit Coupling and Intersystem Crossing in Organic Biradicals