Raman Spectroscopy -- X-Ray Diffraction of Photolytically Induced Molecular Species in Single Crystals -- Molecular Conformation and Crystal Lattice Energy Factors in Conformational Polymorphs -- How Guests Settle and Plan Their Escape Route in a Crystal -- Structural Determination Of Unstable Species -- Is Polymorphism Caused by Molecular Conformational Changes? -- Crystalline Amino Acids -- Unravelling the Chemical Basis of the Bathochromic Shift of the Lobster Carapace Carotenoprotein Crustacyanin -- Tiny Structural Features and their Giant Consequences for Properties of Solids -- Polymorphism in Long-Chain N-Alkylammonium Halides -- Mysterious crystallography -- Clusters in F-Phase Icosahedral Quasicrystals -- Protein-Protein Interactions in the Cyanobacterial Kaiabc Circadian Clock -- Protein-Protein Docking Using Three-Dimensional Reduced Representations and Based on a Genetic Algorithm -- Tropolone as Neutral Compound and Ligand in Palladium Complexes -- Theoretical and Experimental Models of Molecules Illustrated with Quantum-Chemical Calculations of Electronic Structure of H2CN2 Isomers -- Recurrent Complex Modules Instead of Molecules in Non-Molecular Compounds -- Models for Isomeric Bispidine Complexes – Accurate Prediction Versus Thorough Understanding -- The Ligand-Field Paradigm -- The Holistic Molecule.