State-of-the-art local correlation methods enable affordable gold standard quantum chemistry for up to hundreds of atoms

PR Nagy - Chemical Science, 2024 - pubs.rsc.org
In this feature, we review the current capabilities of local electron correlation methods up to
the coupled cluster model with single, double, and perturbative triple excitations [CCSD (T)] …

The MRCC program system: Accurate quantum chemistry from water to proteins

M Kállay, PR Nagy, D Mester, Z Rolik… - The Journal of …, 2020 - pubs.aip.org
MRCC is a package of ab initio and density functional quantum chemistry programs for
accurate electronic structure calculations. The suite has efficient implementations of both low …

Approaching the basis set limit of CCSD (T) energies for large molecules with local natural orbital coupled-cluster methods

PR Nagy, M Kállay - Journal of Chemical Theory and …, 2019 - ACS Publications
Recent optimization efforts and extensive benchmark applications are presented illustrating
the accuracy and efficiency of the linear-scaling local natural orbital (LNO) coupled-cluster …

Optimization of the linear-scaling local natural orbital CCSD (T) method: Improved algorithm and benchmark applications

PR Nagy, G Samu, M Kállay - Journal of Chemical Theory and …, 2018 - ACS Publications
An optimized implementation of the local natural orbital (LNO) coupled-cluster (CC) with
single-, double-, and perturbative triple excitations [LNO–CCSD (T)] method is presented …

Accurate reduced-cost CCSD (T) energies: parallel implementation, benchmarks, and large-scale applications

L Gyevi-Nagy, M Kállay, PR Nagy - Journal of Chemical Theory …, 2021 - ACS Publications
The accurate and systematically improvable frozen natural orbital (FNO) and natural
auxiliary function (NAF) cost-reducing approaches are combined with our recent coupled …

Nickel‐Mediated Enantioselective Photoredox Allylation of Aldehydes with Visible Light

F Calogero, S Potenti, E Bassan, A Fermi… - Angewandte …, 2022 - Wiley Online Library
Here we report a practical, highly enantioselective photoredox allylation of aldehydes
mediated by chiral nickel complexes with commercially available allyl acetate as the …

Basis set limit CCSD (T) energies for extended molecules via a reduced-cost explicitly correlated approach

M Kállay, RA Horváth, L Gyevi-Nagy… - Journal of Chemical …, 2022 - ACS Publications
Several approximations are introduced and tested to reduce the computational expenses of
the explicitly correlated coupled-cluster singles and doubles with perturbative triples [CCSD …

Integral-direct and parallel implementation of the CCSD (T) method: Algorithmic developments and large-scale applications

L Gyevi-Nagy, M Kállay, PR Nagy - Journal of chemical theory …, 2019 - ACS Publications
A completely integral-direct, disk I/O, and network traffic economic coupled-cluster singles,
doubles, and perturbative triples [CCSD (T)] implementation has been developed relying on …

Linear-Scaling Local Natural Orbital CCSD (T) Approach for Open-Shell Systems: Algorithms, Benchmarks, and Large-Scale Applications

PB Szabó, J Csóka, M Kállay… - Journal of Chemical …, 2023 - ACS Publications
The extension of the highly optimized local natural orbital (LNO) coupled cluster (CC) with
single-, double-, and perturbative triple excitations [LNO-CCSD (T)] method is presented for …

Diaryl prolinols in stereoselective catalysis and synthesis: an update

S Meninno, C Volpe, A Lattanzi - ChemCatChem, 2019 - Wiley Online Library
Discovered more than one decade ago, α, α‐diaryl prolinols, most of them commercially
available compounds, demonstrated to be distinctive organocatalysts in asymmetric …