Software update: the ORCA program system, version 4.0

F Neese - Wiley Interdisciplinary Reviews: Computational …, 2018 - Wiley Online Library
This short update provides an overview of the capabilities that have been added to the
ORCA electronic structure package (version 4.0) since publication of the first article in 2012 …

Explicitly correlated local coupled‐cluster methods using pair natural orbitals

Q Ma, HJ Werner - Wiley Interdisciplinary Reviews …, 2018 - Wiley Online Library
Recently developed explicitly correlated local coupled‐cluster methods [PNO‐LCCSD (T)‐
F12] are reviewed. Extensive benchmarks for reaction energies and intermolecular …

[HTML][HTML] The ORCA quantum chemistry program package

F Neese, F Wennmohs, U Becker… - The Journal of chemical …, 2020 - pubs.aip.org
In this contribution to the special software-centered issue, the ORCA program package is
described. We start with a short historical perspective of how the project began and go on to …

[HTML][HTML] Communication: An improved linear scaling perturbative triples correction for the domain based local pair-natural orbital based singles and doubles coupled …

Y Guo, C Riplinger, U Becker, DG Liakos… - The Journal of …, 2018 - pubs.aip.org
In this communication, an improved perturbative triples correction (T) algorithm for domain
based local pair-natural orbital singles and doubles coupled cluster (DLPNO-CCSD) theory …

[HTML][HTML] Sparse maps—A systematic infrastructure for reduced-scaling electronic structure methods. II. Linear scaling domain based pair natural orbital coupled cluster …

C Riplinger, P Pinski, U Becker, EF Valeev… - The Journal of chemical …, 2016 - pubs.aip.org
This is a companion to: Sparse maps—A systematic infrastructure for reduced-scaling
electronic structure methods. I. An efficient and simple linear scaling local MP2 method that …

Coupled cluster molecular dynamics of condensed phase systems enabled by machine learning potentials: Liquid water benchmark

J Daru, H Forbert, J Behler, D Marx - Physical Review Letters, 2022 - APS
Coupled cluster theory is a general and systematic electronic structure method, but in
particular the highly accurate “gold standard” coupled cluster singles, doubles and …

Comprehensive benchmark results for the domain based local pair natural orbital coupled cluster method (DLPNO-CCSD (T)) for closed-and open-shell systems

DG Liakos, Y Guo, F Neese - The Journal of Physical Chemistry A, 2019 - ACS Publications
In this study we examine the accuracy of domain-based local pair natural orbital coupled
cluster theory with single, double, and perturbative triple excitations (DLPNO-CCSD (T)) on …

[HTML][HTML] A new near-linear scaling, efficient and accurate, open-shell domain-based local pair natural orbital coupled cluster singles and doubles theory

M Saitow, U Becker, C Riplinger, EF Valeev… - The Journal of chemical …, 2017 - pubs.aip.org
The Coupled-Cluster expansion, truncated after single and double excitations (CCSD),
provides accurate and reliable molecular electronic wave functions and energies for many …

Accurate calculation of isomerization and conformational energies of larger molecules using explicitly correlated local coupled cluster methods in molpro and ORCA

HJ Werner, A Hansen - Journal of Chemical Theory and …, 2023 - ACS Publications
An overview of the approximations in the explicitly correlated local coupled cluster methods
PNO-LCCSD (T)-F12 in Molpro and DLPNO-CCSD (T) F12 in ORCA is given. Options to …

The subsystem quantum chemistry program Serenity

N Niemeyer, P Eschenbach… - Wiley …, 2023 - Wiley Online Library
Abstract SERENITY [J Comput Chem. 2018; 39: 788–798] is an open‐source quantum
chemistry software that provides an extensive development platform focused on quantum …