[HTML][HTML] Recent developments in the general atomic and molecular electronic structure system

GMJ Barca, C Bertoni, L Carrington, D Datta… - The Journal of …, 2020 - pubs.aip.org
A discussion of many of the recently implemented features of GAMESS (General Atomic and
Molecular Electronic Structure System) and LibCChem (the C++ CPU/GPU library …

Recent advances in electronic structure theory: Method of moments of coupled-cluster equations and renormalized coupled-cluster approaches

P Piecuch, K Kowalski, ISO Pimienta… - … Reviews in Physical …, 2002 - Taylor & Francis
The recently developed new approach to the many-electron correlation problem in atoms
and molecules, termed the method of moments of coupled-cluster (CC) equations (MMCC) …

Energy decomposition analysis of covalent bonds and intermolecular interactions

P Su, H Li - The Journal of chemical physics, 2009 - pubs.aip.org
An energy decomposition analysis method is implemented for the analysis of both covalent
bonds and intermolecular interactions on the basis of single-determinant Hartree–Fock …

Interactions between large molecules pose a puzzle for reference quantum mechanical methods

YS Al-Hamdani, PR Nagy, A Zen, D Barton… - Nature …, 2021 - nature.com
Quantum-mechanical methods are used for understanding molecular interactions
throughout the natural sciences. Quantum diffusion Monte Carlo (DMC) and coupled cluster …

Reference energies for intramolecular charge-transfer excitations

PF Loos, M Comin, X Blase… - Journal of Chemical …, 2021 - ACS Publications
With the aim of completing our previous efforts devoted to local and Rydberg transitions in
organic compounds, we provide a series of highly accurate vertical transition energies for …

The general atomic and molecular electronic structure system (GAMESS): novel methods on novel architectures

F Zahariev, P Xu, BM Westheimer, S Webb… - Journal of Chemical …, 2023 - ACS Publications
The primary focus of GAMESS over the last 5 years has been the development of new high-
performance codes that are able to take effective and efficient advantage of the most …

Renormalized coupled-cluster methods exploiting left eigenstates of the similarity-transformed Hamiltonian

P Piecuch, M Włoch - The Journal of chemical physics, 2005 - pubs.aip.org
Completely renormalized (CR) coupled-cluster (CC) approaches, such as CR-CCSD (T), in
which one corrects the standard CC singles and doubles (CCSD) energy for the effects of …

The third-order algebraic diagrammatic construction method (ADC (3)) for the polarization propagator for closed-shell molecules: Efficient implementation and …

PHP Harbach, M Wormit, A Dreuw - The Journal of Chemical Physics, 2014 - pubs.aip.org
The implementation of an efficient program of the algebraic diagrammatic construction
method for the polarisation propagator in third-order perturbation theory (ADC (3)) for the …

New coupled-cluster methods with singles, doubles, and noniterative triples for high accuracy calculations of excited electronic states

K Kowalski, P Piecuch - The Journal of Chemical Physics, 2004 - pubs.aip.org
The single-reference coupled-cluster CC theory1–5 has become the de facto standard for
high accuracy molecular electronic structure calculations cf., eg, Refs. 6–11, and references …

H2 roaming chemistry and the formation of H3+ from organic molecules in strong laser fields

N Ekanayake, T Severt, M Nairat, NP Weingartz… - Nature …, 2018 - nature.com
Roaming mechanisms, involving the brief generation of a neutral atom or molecule that
stays in the vicinity before reacting with the remaining atoms of the precursor, are providing …