Thirty years of density functional theory in computational chemistry: an overview and extensive assessment of 200 density functionals

N Mardirossian, M Head-Gordon - Molecular physics, 2017 - Taylor & Francis
In the past 30 years, Kohn–Sham density functional theory has emerged as the most popular
electronic structure method in computational chemistry. To assess the ever-increasing …

[HTML][HTML] Dyson-orbital concepts for description of electrons in molecules

JV Ortiz - The Journal of chemical physics, 2020 - pubs.aip.org
Dyson orbitals, their electron-binding energies, and probability factors provide descriptions
of electrons in molecules that are experimentally verifiable and that generalize qualitatively …

Adventures in DFT by a wavefunction theorist

RJ Bartlett - The Journal of chemical physics, 2019 - pubs.aip.org
The attraction density functional theory (DFT) has for electronic structure theory is that it is
easier to do computationally than ab initio, correlated wavefunction methods, due to its …

Improvements in the orbitalwise scaling down of Perdew–Zunger self-interaction correction in many-electron regions

Y Yamamoto, S Romero, T Baruah… - The Journal of Chemical …, 2020 - pubs.aip.org
The Perdew–Zunger (PZ) method provides a way to remove the self-interaction (SI) error
from density functional approximations on an orbital by orbital basis. The PZ method …

Approximating quasiparticle and excitation energies from ground state generalized Kohn–Sham calculations

Y Mei, C Li, NQ Su, W Yang - The Journal of Physical Chemistry A, 2018 - ACS Publications
Quasiparticle energies and fundamental band gaps in particular are critical properties of
molecules and materials. It was rigorously established that the generalized Kohn–Sham …

Performance of Electronic Structure Methods for the Description of Hückel–Möbius Interconversions in Extended π-Systems

T Woller, A Banerjee, N Sylvetsky… - The Journal of …, 2020 - ACS Publications
Expanded porphyrins provide a versatile route to molecular switching devices due to their
ability to shift between several π-conjugation topologies encoding distinct properties. DFT …

Beyond Koopmans' theorem: electron binding energies in disordered materials

E Muchová, P Slavíček - Journal of Physics: Condensed Matter, 2018 - iopscience.iop.org
The topical review focuses on calculating ionization energies (IE), or electronic polarons in
quasi-particle terminology, in large disordered systems, eg for a solute dissolved in a …

The power of exact conditions in electronic structure theory

RJ Bartlett, DS Ranasinghe - Chemical Physics Letters, 2017 - Elsevier
Once electron correlation is included in an effective one-particle operator, one has a
correlated orbital theory (COT). One such theory is Kohn-Sham density functional theory (KS …

[HTML][HTML] Accurate computation of X-ray absorption spectra with ionization potential optimized global hybrid functional

Y Jin, RJ Bartlett - The Journal of Chemical Physics, 2018 - pubs.aip.org
This manuscript presents the first consistent ionization potential (IP) optimized global hybrid
functional to accurately estimate the vertical ionization and excitation energies of the inner …

[HTML][HTML] A note on the accuracy of KS-DFT densities

DS Ranasinghe, A Perera, RJ Bartlett - The Journal of Chemical …, 2017 - pubs.aip.org
The accuracy of the density of wave function methods and Kohn-Sham (KS) density
functionals is studied using moments of the density,⟨ rn⟩=∫ ρ rrnd τ=∫ 0∞ 4 π r 2 ρ (r) …