Computational approach to molecular catalysis by 3d transition metals: challenges and opportunities

KD Vogiatzis, MV Polynski, JK Kirkland… - Chemical …, 2018 - ACS Publications
Computational chemistry provides a versatile toolbox for studying mechanistic details of
catalytic reactions and holds promise to deliver practical strategies to enable the rational in …

Quantum information and algorithms for correlated quantum matter

K Head-Marsden, J Flick, CJ Ciccarino… - Chemical …, 2020 - ACS Publications
Discoveries in quantum materials, which are characterized by the strongly quantum-
mechanical nature of electrons and atoms, have revealed exotic properties that arise from …

The OpenMolcas Web: A Community-Driven Approach to Advancing Computational Chemistry

G Li Manni, I Fdez. Galván, A Alavi… - Journal of chemical …, 2023 - ACS Publications
The developments of the open-source OpenMolcas chemistry software environment since
spring 2020 are described, with a focus on novel functionalities accessible in the stable …

Theory and simulation of the ultrafast double-bond isomerization of biological chromophores

S Gozem, HL Luk, I Schapiro, M Olivucci - Chemical reviews, 2017 - ACS Publications
Ultrafast processes in light-absorbing proteins have been implicated in the primary step in
the light-to-energy conversion and the initialization of photoresponsive biological functions …

Molecular photochemistry: recent developments in theory

S Mai, L González - Angewandte Chemie International Edition, 2020 - Wiley Online Library
Photochemistry is a fascinating branch of chemistry that is concerned with molecules and
light. However, the importance of simulating light‐induced processes is reflected also in …

Combining the complete active space self-consistent field method and the full configuration interaction quantum Monte Carlo within a super-CI framework, with …

G Li Manni, SD Smart, A Alavi - Journal of chemical theory and …, 2016 - ACS Publications
A novel stochastic Complete Active Space Self-Consistent Field (CASSCF) method has
been developed and implemented in the Molcas software package. A two-step procedure is …

[HTML][HTML] Pushing configuration-interaction to the limit: Towards massively parallel MCSCF calculations

KD Vogiatzis, D Ma, J Olsen, L Gagliardi… - The Journal of chemical …, 2017 - pubs.aip.org
A new large-scale parallel multiconfigurational self-consistent field (MCSCF) implementation
in the open-source NWChem computational chemistry code is presented. The generalized …

Spin-pure stochastic-CASSCF via GUGA-FCIQMC applied to iron–sulfur clusters

W Dobrautz, O Weser, NA Bogdanov… - Journal of Chemical …, 2021 - ACS Publications
In this work, we demonstrate how to efficiently compute the one-and two-body reduced
density matrices within the spin-adapted full configuration interaction quantum Monte Carlo …

Understanding the mechanism stabilizing intermediate spin states in Fe (II)-porphyrin

G Li Manni, A Alavi - The Journal of Physical Chemistry A, 2018 - ACS Publications
Spin fluctuations in Fe (II)-porphyrins are at the heart of heme-proteins functionality. Despite
significant progress in porphyrin chemistry, the mechanisms that rule spin state stabilization …

A general second order complete active space self-consistent-field solver for large-scale systems

Q Sun, J Yang, GKL Chan - Chemical Physics Letters, 2017 - Elsevier
We present a new second order complete active space self-consistent field implementation
to converge wavefunctions for both large active spaces and large atomic orbital (AO) bases …