Advanced Chemical Physics Studies

Density functional theory and related quantum chemical methods give researchers a practical way to calculate the electronic structure of atoms and molecules without solving the full many-body Schrödinger equation exactly, trading some rigor for computational tractability. Capturing subtle effects like van der Waals interactions—the weak, long-range forces that govern how molecules attract one another in gases, liquids, and biological systems—requires careful corrections and parameterizations that are still being refined. Active work focuses on making these methods more accurate and transferable, particularly through ab initio-derived parameters, improved continuum solvation models that represent solvent environments efficiently, and hybrid approaches that blend different levels of theory. Central open questions include how to systematically reduce empirical fitting in semiempirical schemes and how to extend reliable dispersion corrections to larger, more complex molecular systems without prohibitive computational cost.

Works

206,704

Total citations

7,679,500

Keywords

Density Functional TheoryDispersion CorrectionAb Initio ParametrizationWavefunction AnalyzerSemiempirical MethodsVan der Waals Interactions