Ruthenium Models, Molecular Oxidation-Reduction chemistry oxidation reduction reaction ruthenium Acids Alkoxy-substituted benzoic acids Aqueous Solution Chemistry Benzoic acid Bromine Catalytic oxidation Chemistry, Bioinorganic Conductivity Coordination Complexes Crystal structure Crystallography, X-Ray DFT Drug Design Electronic structure Electrons Electrostatic contributions Electrostatic potentials Electrostatics Free energy GPU H-bonding interaction Halogen bonds Hands-On Learning/Manipulatives Hydrodisulfides