Do optimally tuned range-separated hybrid functionals require a reparametrization of the dispersion correction? It depends

M Friede, S Ehlert, S Grimme… - Journal of Chemical …, 2023 - ACS Publications
For ground-and excited-state studies of large molecules, it is the state of the art to combine
(time-dependent) DFT with dispersion-corrected range-separated hybrid functionals (RSHs) …

[HTML][HTML] Revealing the nature of electron correlation in transition metal complexes with symmetry breaking and chemical intuition

J Shee, M Loipersberger, D Hait, J Lee… - The Journal of …, 2021 - pubs.aip.org
In this work, we provide a nuanced view of electron correlation in the context of transition
metal complexes, reconciling computational characterization via spin and spatial symmetry …

Orbital optimized density functional theory for electronic excited states

D Hait, M Head-Gordon - The journal of physical chemistry letters, 2021 - ACS Publications
Density functional theory (DFT) based modeling of electronic excited states is of importance
for investigation of the photophysical/photochemical properties and spectroscopic …

PCM-ROKS for the Description of Charge-Transfer States in Solution: Singlet–Triplet Gaps with Chemical Accuracy from Open-Shell Kohn–Sham Reaction-Field …

L Kunze, A Hansen, S Grimme… - The Journal of Physical …, 2021 - ACS Publications
The adiabatic energy gap between the lowest singlet and triplet excited states Δ E ST is a
central property of thermally activated delayed fluorescence (TADF) emitters. Since these …

Either accurate singlet–triplet gaps or excited-state structures: Testing and understanding the performance of td-dft for tadf emitters

T Froitzheim, S Grimme, JM Mewes - Journal of Chemical Theory …, 2022 - ACS Publications
The energy gap between the lowest singlet and triplet excited states (Δ E ST) is a key
property of thermally activated delayed fluorescence (TADF) emitters, where these states are …

Elucidating the electronic structure of a delayed fluorescence emitter via orbital interactions, excitation energy components, charge-transfer numbers, and vibrational …

Z Pei, Q Ou, Y Mao, J Yang, A Lande… - The journal of …, 2021 - ACS Publications
Recently, Wang and co-workers carried out frontier molecule orbital engineering in the
design of m-Cz-BNCz, a thermally activated delayed fluorescence (TADF) molecule that …

Electron–nuclear dynamics accompanying proton-coupled electron transfer

Y Yoneda, SJ Mora, J Shee… - Journal of the …, 2021 - ACS Publications
Although photoinduced proton-coupled electron transfer (PCET) plays an essential role in
photosynthesis, a full understanding of the mechanism is still lacking due to the complex …

Supramolecular Self‐Assembly as a Tool To Preserve the Electronic Purity of Perylene Diimide Chromophores

I Heckelmann, Z Lu, JCA Prentice… - Angewandte Chemie …, 2023 - Wiley Online Library
Organic semiconductors are promising for efficient, printable optoelectronics. However,
strong excited‐state quenching due to uncontrolled aggregation limits their use in devices …

Origins of large Stokes shifts in a pyrene–styrene-based push–pull organic molecular dyad in polar solvents and large electron mobility in the crystalline state: A …

R Ahmed, AK Manna - The Journal of Physical Chemistry C, 2021 - ACS Publications
Push–Pull molecular chromophores are of increased research interest because of their
potential as sensors in bioimaging and biomedicine as well as their promise as components …

NBN‐and BNB‐Phenalenyls: the Yin and Yang of Heteroatom‐doped π Systems

AS Scholz, JG Massoth, L Stoess… - … A European Journal, 2024 - Wiley Online Library
NBN‐and BNB‐doped phenalenyls are isoelectronic to phenalenyl anions and cations,
respectively. They represent a pair of complementary molecules that have essentially …