The Importance of Orbital Analysis.- A General Geometric Representation of Sphere-Sphere Interactions.- Understanding the Electronic Structure Properties of Bare Silver Clusters as Models for Plasmonic Excitation.- Optimized Perturbation Theory for Calculating the Hyperfine Line Shift and Broadening of Heavy Atoms in a Buffer Gas.- Proton Quantum Confinement on Symmetric Dimers of Ammonia and Lower Amine Homologs.- Ab-initio and DFT Study of the Muchimangin-B Molecule.- Molecular Dynamics Analysis of FAAH Complexed with Anand-amide.- Intense Field Molecular Photodissociation: The Adiabatic Views.- Photoionization Spectra and Ionization Potentials of Energetic Mole-cules.- Theoretical Study of Coherent p-electron Rotations in a Nonplanar Chiral Aromatic Molecule Induced by Ultrafast Linearly Polarized UV Pulses.- Full Quantum Calculations of the Diffusion Rate of Adsorbates.- Relativistic Quantum Chemistry: An Advanced Approach to the Construction of the Green Function of the Dirac Equation with Complex Energy and Mean-Field Nuclear Potential.- Spacetime-Based Foundation of Quantum Mechanics and General Relativity.- A Zero-Energy Universe Scenario: from Unstable Chemical States to Biological Evolution and Cosmological Order.