Combining wave function methods with density functional theory for excited states

S Ghosh, P Verma, CJ Cramer, L Gagliardi… - Chemical …, 2018 - ACS Publications
We review state-of-the-art electronic structure methods based both on wave function theory
(WFT) and density functional theory (DFT). Strengths and limitations of both the wave …

The Bethe–Salpeter equation formalism: From physics to chemistry

X Blase, I Duchemin, D Jacquemin… - The Journal of Physical …, 2020 - ACS Publications
The Bethe–Salpeter equation (BSE) formalism is steadily asserting itself as a new efficient
and accurate tool in the ensemble of computational methods available to chemists in order …

A mountaineering strategy to excited states: Highly accurate reference energies and benchmarks

PF Loos, A Scemama, A Blondel… - Journal of chemical …, 2018 - ACS Publications
Striving to define very accurate vertical transition energies, we perform both high-level
coupled cluster (CC) calculations (up to CCSDTQP) and selected configuration interaction …

A mountaineering strategy to excited states: Highly accurate energies and benchmarks for medium sized molecules

PF Loos, F Lipparini, M Boggio-Pasqua… - Journal of Chemical …, 2020 - ACS Publications
Following our previous work focusing on compounds containing up to 3 non-hydrogen
atoms [J. Chem. Theory Comput. 2018, 14, 4360–4379], we present here highly accurate …

The Bethe–Salpeter equation in chemistry: relations with TD-DFT, applications and challenges

X Blase, I Duchemin, D Jacquemin - Chemical Society Reviews, 2018 - pubs.rsc.org
We review the many-body Green's function Bethe–Salpeter equation (BSE) formalism that is
rapidly gaining importance for the study of the optical properties of molecular organic …

Charge-transfer excitations within density functional theory: How accurate are the most recommended approaches?

D Mester, M Kállay - Journal of Chemical Theory and …, 2022 - ACS Publications
The performance of the most recent density functionals is assessed for charge-transfer (CT)
excitations using comprehensive intra-and intermolecular CT benchmark sets with high …

Reference energies for intramolecular charge-transfer excitations

PF Loos, M Comin, X Blase… - Journal of Chemical …, 2021 - ACS Publications
With the aim of completing our previous efforts devoted to local and Rydberg transitions in
organic compounds, we provide a series of highly accurate vertical transition energies for …

Going beyond the vertical approximation with time‐dependent density functional theory

F Santoro, D Jacquemin - Wiley Interdisciplinary Reviews …, 2016 - Wiley Online Library
Since two decades, time‐dependent density functional theory (TD‐DFT) has been in the
limelight due to its noteworthy efficiency. Indeed, in many cases, TD‐DFT provides accurate …

Are heptazine-based organic light-emitting diode chromophores thermally activated delayed fluorescence or inverted singlet–triplet systems?

AL Sobolewski, W Domcke - The Journal of Physical Chemistry …, 2021 - ACS Publications
Two chromophores derived from heptazine, HAP-3MF and HAP-3TPA, were synthesized
and tested as emitters in light-emitting diodes (OLEDs) by Adachi and co-workers. Both …

QUESTDB: A database of highly accurate excitation energies for the electronic structure community

M Véril, A Scemama, M Caffarel… - Wiley …, 2021 - Wiley Online Library
We describe our efforts of the past few years to create a large set of more than 500 highly
accurate vertical excitation energies of various natures (π→ π*, n→ π*, double excitation …