[HTML][HTML] Software for the frontiers of quantum chemistry: An overview of developments in the Q-Chem 5 package

E Epifanovsky, ATB Gilbert, X Feng, J Lee… - The Journal of …, 2021 - pubs.aip.org
This article summarizes technical advances contained in the fifth major release of the Q-
Chem quantum chemistry program package, covering developments since 2015. A …

DFT exchange: sharing perspectives on the workhorse of quantum chemistry and materials science

AM Teale, T Helgaker, A Savin, C Adamo… - Physical chemistry …, 2022 - pubs.rsc.org
In this paper, the history, present status, and future of density-functional theory (DFT) is
informally reviewed and discussed by 70 workers in the field, including molecular scientists …

Long-range corrected hybrid density functionals with improved dispersion corrections

YS Lin, GD Li, SP Mao, JD Chai - Journal of Chemical Theory and …, 2013 - ACS Publications
By incorporating the improved empirical atom–atom dispersion corrections from DFT-D3
[Grimme, S.; Antony, J.; Ehrlich, S.; Krieg, HJ Chem. Phys. 2010, 132, 154104], two long …

Multiconfiguration pair-density functional theory

G Li Manni, RK Carlson, S Luo, D Ma… - Journal of chemical …, 2014 - ACS Publications
We present a new theoretical framework, called Multiconfiguration Pair-Density Functional
Theory (MC-PDFT), which combines multiconfigurational wave functions with a …

Pushing the limits of acene chemistry: The recent surge of large acenes

C Tönshoff, HF Bettinger - Chemistry–A European Journal, 2021 - Wiley Online Library
Acenes, consisting of linearly fused benzene rings, are an important fundamental class of
organic compounds with various applications. Hexacene is the largest acene that was …

A practicable real‐space measure and visualization of static electron‐correlation effects

S Grimme, A Hansen - Angewandte Chemie International …, 2015 - Wiley Online Library
The inclusion of dynamical and static electron correlation (SEC) is mandatory for accurate
quantum chemistry (QC). SEC is particularly difficult to calculate and hence a qualitative …

SCAN-based hybrid and double-hybrid density functionals from models without fitted parameters

K Hui, JD Chai - The Journal of chemical physics, 2016 - pubs.aip.org
By incorporating the nonempirical strongly constrained and appropriately normed (SCAN)
semilocal density functional [J. Sun, A. Ruzsinszky, and JP Perdew, Phys. Rev. Lett. 115 …

Universal generalization of density functional theory for static correlation

D Gibney, JN Boyn, DA Mazziotti - Physical Review Letters, 2023 - APS
A major challenge for density functional theory (DFT) is its failure to treat static correlation,
yielding errors in predicted charges, band gaps, van der Waals forces, and reaction barriers …

The fractional occupation number weighted density as a versatile analysis tool for molecules with a complicated electronic structure

CA Bauer, A Hansen, S Grimme - Chemistry–A European …, 2017 - Wiley Online Library
The fractional occupation number weighted density (FOD) analysis is explored as a general
theoretical diagnostic for complicated electronic structures. Its main feature is to provide …

Self-consistent-field method for correlated many-electron systems with an entropic cumulant energy

J Wang, EJ Baerends - Physical review letters, 2022 - APS
A self-consistent field method is presented within density matrix functional theory. The
computational cost for a correlated many-electron calculation is reduced to that of the self …