Comparing Self-Consistent GW and Vertex-Corrected G0W0 (G0W0Γ) Accuracy for Molecular Ionization Potentials

M Wen, V Abraham, G Harsha, A Shee… - Journal of Chemical …, 2024 - ACS Publications
We test the performance of self-consistent GW and several representative implementations
of vertex-corrected G 0 W 0 (G 0 W 0Γ). These approaches are tested on benchmark data …

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)] …

[HTML][HTML] The future of computational catalysis

J Sauer - Journal of Catalysis, 2024 - Elsevier
The future of computational heterogeneous catalysis is shaped by machine learning in two
different but equally important areas:(i) development of atomistic potentials that closely …

How accurate are simulations and experiments for the lattice energies of molecular crystals?

F Della Pia, A Zen, D Alfè, A Michaelides - Physical Review Letters, 2024 - APS
Molecular crystals play a central role in a wide range of scientific fields, including
pharmaceuticals and organic semiconductor devices. However, they are challenging …

Force-free identification of minimum-energy pathways and transition states for stochastic electronic structure theories

GR Iyer, N Whelpley, J Tiihonen… - Journal of Chemical …, 2024 - ACS Publications
The accurate mapping of potential energy surfaces (PESs) is crucial to our understanding of
the numerous physical and chemical processes mediated by atomic rearrangements, such …

Investigating the basis set convergence of diagrammatically decomposed coupled-cluster correlation energy contributions for the uniform electron gas

N Masios, F Hummel, A Grüneis… - Journal of Chemical …, 2024 - ACS Publications
We investigate the convergence of coupled-cluster (CC) correlation energies and related
quantities with respect to the employed basis set size for the uniform electron gas (UEG) to …

Going for Gold (-Standard): Attaining Coupled Cluster Accuracy in Oxide-Supported Nanoclusters

BX Shi, DJ Wales, A Michaelides… - Journal of Chemical …, 2024 - ACS Publications
The structure of oxide-supported metal nanoclusters plays an essential role in their sharply
enhanced catalytic activity over that of bulk metals. Simulations provide the atomic-scale …

Beyond Single-Reference Fixed-Node Approximation in Ab Initio Diffusion Monte Carlo Using Antisymmetrized Geminal Power Applied to Systems with Hundreds of …

K Nakano, S Sorella, D Alfè, A Zen - Journal of Chemical Theory …, 2024 - ACS Publications
Diffusion Monte Carlo (DMC) is an exact technique to project out the ground state (GS) of a
Hamiltonian. Since the GS is always bosonic, in Fermionic systems, the projection needs to …

Wannier function localisation using Bloch intrinsic atomic orbitals

A Zhu, DP Tew - arXiv preprint arXiv:2407.00852, 2024 - arxiv.org
We extend the Intrinsic Atomic Orbital (IAO) method for localisation of molecular orbitals to
calculate well-localised generalised Wannier functions in crystals using the Pipek--Mezey …

Adsorption and Vibrational Spectroscopy of CO on the Surface of MgO from Periodic Local Coupled-Cluster Theory

HZ Ye, TC Berkelbach - Faraday Discussions, 2024 - pubs.rsc.org
The adsorption of CO on the surface of MgO has long been a model problem in surface
chemistry. Here, we report periodic Gaussian-based calculations for this problem using …