Psi4: an open‐source ab initio electronic structure program

JM Turney, AC Simmonett, RM Parrish… - Wiley …, 2012 - Wiley Online Library
The Psi4 program is a new approach to modern quantum chemistry, encompassing Hartree–
Fock and density‐functional theory to configuration interaction and coupled cluster. The …

Multireference nature of chemistry: The coupled-cluster view

DI Lyakh, M Musiał, VF Lotrich, RJ Bartlett - Chemical reviews, 2012 - ACS Publications
Multireference Nature of Chemistry: The Coupled-Cluster View | Chemical Reviews ACS ACS
Publications C&EN CAS Find my institution Log In Chemical Reviews ACS Publications. Most …

[HTML][HTML] PSI4 1.4: Open-source software for high-throughput quantum chemistry

DGA Smith, LA Burns, AC Simmonett… - The Journal of …, 2020 - pubs.aip.org
PSI4 is a free and open-source ab initio electronic structure program providing
implementations of Hartree–Fock, density functional theory, many-body perturbation theory …

Coupled-cluster techniques for computational chemistry: The CFOUR program package

DA Matthews, L Cheng, ME Harding… - The Journal of …, 2020 - pubs.aip.org
An up-to-date overview of the CFOUR program system is given. After providing a brief
outline of the evolution of the program since its inception in 1989, a comprehensive …

Progress and challenges in the calculation of electronic excited states

L González, D Escudero, L Serrano‐Andrés - ChemPhysChem, 2012 - Wiley Online Library
A detailed understanding of the properties of electronic excited states and the reaction
mechanisms that molecules undergo after light irradiation is a fundamental ingredient for …

[HTML][HTML] Perspective: Multireference coupled cluster theories of dynamical electron correlation

FA Evangelista - The Journal of Chemical Physics, 2018 - pubs.aip.org
Predicting the electronic structure and properties of molecular systems that display strong
electron correlation effects continues to remain a fundamental theoretical challenge. This …

Ab initio computations and active thermochemical tables hand in hand: Heats of formation of core combustion species

SJ Klippenstein, LB Harding… - The Journal of Physical …, 2017 - ACS Publications
The fidelity of combustion simulations is strongly dependent on the accuracy of the
underlying thermochemical properties for the core combustion species that arise as …

Methylhydroxycarbene: Tunneling control of a chemical reaction

PR Schreiner, HP Reisenauer, D Ley, D Gerbig… - Science, 2011 - science.org
Chemical reactivity is conventionally understood in broad terms of kinetic versus
thermodynamic control, wherein the decisive factor is the lowest activation barrier among the …

Simulating many-body systems with a projective quantum eigensolver

NH Stair, FA Evangelista - PRX Quantum, 2021 - APS
We present a new hybrid quantum-classical algorithm for optimizing unitary coupled-cluster
(UCC) wave functions deemed the projective quantum eigensolver (PQE), amenable to near …

Pilot applications of internally contracted multireference coupled cluster theory, and how to choose the cluster operator properly

M Hanauer, A Köhn - The Journal of chemical physics, 2011 - pubs.aip.org
The internally contracted multireference coupled cluster (icMRCC) method allows a highly
accurate description of both static and dynamic correlation with a computational scaling …