Modeling Multi-Step Organic Reactions: Can Density Functional Theory Deliver Misleading Chemistry?

H Li, M Mansoori Kermani, A Ottochian… - Journal of the …, 2024 - ACS Publications
Many organic reactions are characterized by a complex mechanism with a variety of
transition states and intermediates of different chemical natures. Their correct and accurate …

Local Second Order Mo̷ller-Plesset Theory with a Single Threshold Using Orthogonal Virtual Orbitals: A Distributed Memory Implementation

T Shi, Z Wang, A Aldossary, Y Liu, XS Li… - Journal of Chemical …, 2024 - ACS Publications
In order to alleviate the computational burden associated with superlinear compute scalings
with molecular size in electron correlation methods, researchers have developed local …

[HTML][HTML] Dispersion-corrected r2SCAN based double-hybrid functionals

L Wittmann, H Neugebauer, S Grimme… - The Journal of Chemical …, 2023 - pubs.aip.org
The regularized and restored semi-local meta-generalized gradient approximation (meta-
GGA) exchange–correlation functional r 2 SCAN [Furness et al., J. Phys. Chem. Lett. 11 …

Molecular Understanding and Practical In Silico Catalyst Design in Computational Organocatalysis and Phase Transfer Catalysis—Challenges and Opportunities

CW Kee - Molecules, 2023 - mdpi.com
Through the lens of organocatalysis and phase transfer catalysis, we will examine the key
components to calculate or predict catalysis-performance metrics, such as turnover …

SOS1-RSX-QIDH: A spin-opposite-scaled range-separated-exchange quadratic-integrand double-hybrid density functional

É Brémond, ÁJ Pérez-Jiménez… - The Journal of …, 2023 - pubs.aip.org
We develop and validate the SOS1-RSX-QIDH density functional, a one-parameter spin-
opposite-scaled variant of the range-separated-exchange quadratic-integrand double …

Nonlinear optical properties of natural hydroxyanthraquinones studied using density functional theory (DFT) technique

PS Patil, N Sekar - Journal of Photochemistry and Photobiology A …, 2024 - Elsevier
The present study reports the theoretical investigation of nonlinear optical (NLO) properties
of natural hydroxyanthraquinones using the Density Functional Theory (DFT) method. The …

Thermochemistry of Species in Gas-Phase Thermal Oxidation of C2 to C8 Perfluorinated Carboxylic Acids

H Ram, TP Sadej, CC Murphy, TJ Mallo… - The Journal of …, 2024 - ACS Publications
New thermochemical properties, C p°(T), H°(T), S°(T), and G°(T), are predicted for 123
species involved in the thermal destruction of perfluorinated carboxylic acids (PFCAs) using …

Multireference calculations on bond dissociation and biradical polycyclic aromatic hydrocarbons as guidance for fractional occupation number weighted density …

JR Carvalho, R Nieman, M Kertesz, AJA Aquino… - Theoretical Chemistry …, 2024 - Springer
This study explores open-shell biradical and polyradical molecular compounds based on
extended multireference (MR) methods (MR-configuration interaction with singles and …

Global Aromatic Ring Currents in Neutral Porphyrin Nanobelts

M Vitek, JR Deng, HL Anderson, I Rončević - ACS nano, 2024 - ACS Publications
The ability of a ring-shaped molecule to sustain a global aromatic or antiaromatic ring
current when placed in a magnetic field indicates that its electronic wave function is …

[HTML][HTML] Use of FLOSIC for understanding anion-solvent interactions

MR Pederson, KPK Withanage… - The Journal of …, 2023 - pubs.aip.org
An Achille's heel of lower-rung density-functional approximations is that the highest-
occupied-molecular-orbital energy levels of anions, known to be stable or metastable in …