[HTML][HTML] Software for the frontiers of quantum chemistry: An overview of developments in the Q-Chem 5 package

E Epifanovsky, ATB Gilbert, X Feng, J Lee… - The Journal of …, 2021 - pubs.aip.org
This article summarizes technical advances contained in the fifth major release of the Q-
Chem quantum chemistry program package, covering developments since 2015. A …

Materials perspective on Casimir and van der Waals interactions

LM Woods, DAR Dalvit, A Tkatchenko… - Reviews of Modern …, 2016 - APS
Interactions induced by electromagnetic fluctuations, such as van der Waals and Casimir
forces, are of universal nature present at any length scale between any types of systems …

QMCPACK: an open source ab initio quantum Monte Carlo package for the electronic structure of atoms, molecules and solids

J Kim, AD Baczewski, TD Beaudet… - Journal of Physics …, 2018 - iopscience.iop.org
QMCPACK is an open source quantum Monte Carlo package for ab initio electronic
structure calculations. It supports calculations of metallic and insulating solids, molecules …

The nature of the interlayer interaction in bulk and few-layer phosphorus

L Shulenburger, AD Baczewski, Z Zhu, J Guan… - Nano …, 2015 - ACS Publications
Sensitive dependence of the electronic structure on the number of layers in few-layer
phosphorene raises a question about the true nature of the interlayer interaction in so-called …

Machine learning for quantum mechanical properties of atoms in molecules

M Rupp, R Ramakrishnan… - The Journal of Physical …, 2015 - ACS Publications
We introduce machine learning models of quantum mechanical observables of atoms in
molecules. Instant out-of-sample predictions for proton and carbon nuclear chemical shifts …

Noncovalent interactions by quantum Monte Carlo

M Dubecky, L Mitas, P Jurecka - Chemical Reviews, 2016 - ACS Publications
Quantum Monte Carlo (QMC) is a family of stochastic methods for solving quantum many-
body problems such as the stationary Schrödinger equation. The review introduces basic …

Understanding non-covalent interactions in larger molecular complexes from first principles

YS Al-Hamdani, A Tkatchenko - The Journal of chemical physics, 2019 - pubs.aip.org
Non-covalent interactions pervade all matter and play a fundamental role in layered
materials, biological systems, and large molecular complexes. Despite this, our accumulated …

Binding and diffusion of lithium in graphite: quantum monte carlo benchmarks and validation of van der Waals density functional methods

P Ganesh, J Kim, C Park, M Yoon… - Journal of Chemical …, 2014 - ACS Publications
Highly accurate diffusion quantum Monte Carlo (QMC) studies of the adsorption and
diffusion of atomic lithium in AA-stacked graphite are compared with van der Waals …

Benchmarks and reliable DFT results for spin gaps of small ligand Fe (II) complexes

S Song, MC Kim, E Sim, A Benali… - Journal of chemical …, 2018 - ACS Publications
All-electron fixed-node diffusion Monte Carlo provides benchmark spin gaps for four Fe (II)
octahedral complexes. Standard quantum chemical methods (semilocal DFT and CCSD (T)) …

Nanoscale ππ stacked molecules are bound by collective charge fluctuations

J Hermann, D Alfe, A Tkatchenko - Nature communications, 2017 - nature.com
Non-covalent π− π interactions are central to chemical and biological processes, yet the full
understanding of their origin that would unite the simplicity of empirical approaches with the …