The Wong group will be giving 4 presentations at the 2019 ACS Spring National Meeting & Exposition in Orlando, Florida. The 1st presentation is entitled “Real-Time Density Functional Tight Binding: A New Computational Approach for Probing Plasmonic Properties of Large Material Systems” to be given in COMP: Material Science. The 2nd presentation is entitled “Halogen-Bonding Interactions: Revised Benchmarks and a New Assessment of Exchange vs. Dispersion” to be given in COMP: Quantum Mechanics. The 3rd presentation is entitled “Exploring Electrochemical Reaction Dynamics of Li⁺-Solvation Structures with Large-Scale Quantum Mechanical Simulations” to be given in ENFL: Simulations of Materials & Processes for Energy Applications. The 4th presentation is entitled “Intimate Role of a Basis Set on the Outcomes of External Energy Mediated Chemical Reactions” to be given in CATL: Catalytic Chemistry over Metal Oxides.