Straightening the hierarchical staircase for basis set extrapolations: A low-cost approach to high-accuracy computational chemistry

AJC Varandas - Annual review of physical chemistry, 2018 - annualreviews.org
Because the one-electron basis set limit is difficult to reach in correlated post-Hartree–Fock
ab initio calculations, the low-cost route of using methods that extrapolate to the estimated …

Online complete basis set limit extrapolation calculator

V Vasilyev - Computational and Theoretical Chemistry, 2017 - Elsevier
Calculation of the asymptotic convergence of energies and other properties to their complete
basis set (CBS) limit in Quantum Chemistry may be tedious, so a CBS Limit Extrapolation …

Building a New Platform for Significantly Improving Performance of Hartree–Fock and CCSD (T) Correlation Energy Based on Two-Point Complete Basis Set …

Z **, Y Ding, X Tian - The Journal of Physical Chemistry A, 2024 - ACS Publications
The leading cause of high expense in gold standard coupled cluster theory is that
calculations of electronic energies converge exceedingly slowly with an increased basis set …

Extrapolation of Hartree–Fock and multiconfiguration self-consistent-field energies to the complete basis set limit

FNN Pansini, AC Neto, AJC Varandas - Theoretical Chemistry Accounts, 2016 - Springer
It is shown that Hartree–Fock calculations using basis sets of the correlation consistent
family and arbitrary hierarchical numbers can be extrapolated to the complete basis set limit …

Post-CCSD (T) contributions to total atomization energies in multireference systems

A Karton - The Journal of Chemical Physics, 2018 - pubs.aip.org
We examine the magnitude and the basis set convergence of post-coupled-cluster with
single, double, and perturbative triple excitations (CCSD (T)) contributions (up to …

CBS extrapolation of Hartree–Fock energy: Pople and Dunning basis sets hand-to-hand on the endeavour

AJC Varandas - Physical Chemistry Chemical Physics, 2019 - pubs.rsc.org
The Hartree–Fock (HF) energy is shown to be extrapolatable from subminimal, minimal, and
extended basis sets. Unprecedentedly, it can be reliably extrapolated to the complete basis …

Shallow quantum circuits for efficient preparation of Slater determinants and correlated states on a quantum computer

CH Chee, D Leykam, AM Mak, DG Angelakis - Physical Review A, 2023 - APS
Fermionic Ansatz state preparation is a critical subroutine in many quantum algorithms such
as the variational quantum eigensolver for quantum chemistry and condensed-matter …

A strategy to compute quantum chemical potential energies of inhomogeneous OH bonds in water molecules

K Jeon, M Yang - Bulletin of the Korean Chemical Society, 2022 - Wiley Online Library
We suggest an extrapolation method to achieve the complete basis set limits of Hartree–
Fock (HF) and electron correlation (EC) energies of water molecules from the energies …

Potential use of small basis set on the calculations of electronic properties of some four-membered heterocycles: a conformational study

AH Romero, E Squitieri - Molecular Physics, 2017 - Taylor & Francis
The potential use of small basis sets upon a low level of theory was studied on the
calculations of electronic properties (dipole moment, static polarisability and static …

[PDF][PDF] RESOURCE-EFFICIENT QUANTUM ALGORITHMS FOR QUANTUM CHEMISTRY

CC Hian - 2024 - dimitrisangelakis.org
Quantum mechanics lies at the foundation of all modern chemistry, but we have yet to
efficiently use it to accurately predict chemical properties of compounds. As Dirac noted …