Measuring electron correlation: the impact of symmetry and orbital transformations

R Izsák, AV Ivanov, NS Blunt… - Journal of Chemical …, 2023 - ACS Publications
In this perspective, the various measures of electron correlation used in wave function
theory, density functional theory and quantum information theory are briefly reviewed. We …

Energy decomposition analysis based on a block-localized wavefunction and multistate density functional theory

Y Mo, P Bao, J Gao - Physical Chemistry Chemical Physics, 2011 - pubs.rsc.org
An interaction energy decomposition analysis method based on the block-localized
wavefunction (BLW-ED) approach is described. The first main feature of the BLW-ED …

[图书][B] Chemical reactivity theory: a density functional view

PK Chattaraj - 2009 - taylorfrancis.com
In the 1970s, Density Functional Theory (DFT) was borrowed from physics and adapted to
chemistry by a handful of visionaries. Now chemical DFT is a diverse and rapidly growing …

Nonclassical single-state reactivity of an oxo-iron (IV) complex confined to triplet pathways

C Kupper, B Mondal, J Serrano-Plana… - Journal of the …, 2017 - ACS Publications
C–H bond activation mediated by oxo-iron (IV) species represents the key step of many
heme and nonheme O2-activating enzymes. Of crucial interest is the effect of spin state of …

Analysis of the magnetic coupling in binuclear systems. III. The role of the ligand to metal charge transfer excitations revisited

CJ Calzado, C Angeli, D Taratiel, R Caballol… - The Journal of …, 2009 - pubs.aip.org
In magnetic coordination compounds and solids the magnetic orbitals are essentially
located on metallic centers but present some delocalization tails on adjacent ligands. Mean …

On the nature of the π→ π* ionic excited states: The V state of ethene as a prototype

C Angeli - Journal of computational chemistry, 2009 - Wiley Online Library
This article addresses an analysis of the physical effects required for the correct description
of the ionic π→ π∗ excited states in the frame of ab initio quantum chemistry, using the ionic …

Shortcut to chemically accurate quantum computing via density-based basis-set correction

D Traore, O Adjoua, C Feniou, IM Lygatsika… - Communications …, 2024 - nature.com
Using GPU-accelerated state-vector emulation, we propose to embed a quantum computing
ansatz into density-functional theory via density-based basis-set corrections to obtain …

Structure, energy, vibrational spectrum, and Bader's analysis of π⋯ H hydrogen bonds and H− δ⋯ H+ δ dihydrogen bonds

BG de Oliveira - Physical Chemistry Chemical Physics, 2013 - pubs.rsc.org
In this paper, the intermolecular structural study asserted by the vibrational analysis in the
stretch frequencies of hydrogen bonds (π⋯ H) and dihydrogen bonds (H− δ⋯ H+ δ) have …

Magnetic circular dichroism evidence for an unusual electronic structure of a tetracarbene–oxoiron (IV) complex

S Ye, C Kupper, S Meyer, E Andris… - Journal of the …, 2016 - ACS Publications
In biology, high valent oxo–iron (IV) species have been shown to be pivotal intermediates for
functionalization of C–H bonds in the catalytic cycles of a range of O2-activating iron …

Insights into the electronic structure of molecules from generalized valence bond theory

TH Dunning Jr, LT Xu, TY Takeshita… - The Journal of …, 2016 - ACS Publications
In this article we describe the unique insights into the electronic structure of molecules
provided by generalized valence bond (GVB) theory. We consider selected prototypical …