Explicitly correlated electrons in molecules
One of the central challenges of computational molecular investigation is the solution of the
time-independent, nonrelativistic BornÀ Oppenheimer electronic Schrödinger equation. For …
time-independent, nonrelativistic BornÀ Oppenheimer electronic Schrödinger equation. For …
An efficient linear-scaling CCSD (T) method based on local natural orbitals
An efficient linear-scaling CCSD(T) method based on local natural orbitals | The Journal of
Chemical Physics | AIP Publishing Skip to Main Content Umbrella Alt Text Umbrella Alt Text …
Chemical Physics | AIP Publishing Skip to Main Content Umbrella Alt Text Umbrella Alt Text …
Quantum chemistry calculations for metabolomics: Focus review
A primary goal of metabolomics studies is to fully characterize the small-molecule
composition of complex biological and environmental samples. However, despite advances …
composition of complex biological and environmental samples. However, despite advances …
Analytical energy gradients for explicitly correlated wave functions. II. Explicitly correlated coupled cluster singles and doubles with perturbative triples corrections …
W Győrffy, HJ Werner - The Journal of Chemical Physics, 2018 - pubs.aip.org
We present an implementation of analytical energy gradients for the explicitly correlated
coupled cluster singles and doubles method with perturbative triples corrections [CCSD (T) …
coupled cluster singles and doubles method with perturbative triples corrections [CCSD (T) …
Efficient Calculation of Accurate Reaction Energies Assessment of Different Models in Electronic Structure Theory
J Friedrich - Journal of Chemical Theory and Computation, 2015 - ACS Publications
In this work we analyze the accuracy and the efficiency of different schemes to obtain the
complete basis set limit for CCSD (T). It is found that composite schemes using an MP2 …
complete basis set limit for CCSD (T). It is found that composite schemes using an MP2 …
Analytical energy gradients for explicitly correlated wave functions. I. Explicitly correlated second-order Møller-Plesset perturbation theory
We present the theory and algorithms for computing analytical energy gradients for explicitly
correlated second-order Møller–Plesset perturbation theory (MP2-F12). The main difficulty in …
correlated second-order Møller–Plesset perturbation theory (MP2-F12). The main difficulty in …
Efficient Exploitation of Numerical Quadrature with Distance-Dependent Integral Screening in Explicitly Correlated F12 Theory: Linear Scaling Evaluation of the Most …
L Urban, H Laqua, TH Thompson… - Journal of Chemical …, 2024 - ACS Publications
We present a linear scaling atomic orbital based algorithm for the computation of the most
expensive exchange-type RI-MP2-F12 term by employing numerical quadrature in …
expensive exchange-type RI-MP2-F12 term by employing numerical quadrature in …
[HTML][HTML] Efficient and automated computation of accurate molecular geometries using focal-point approximations to large-basis coupled-cluster theory
CE Warden, DGA Smith, LA Burns… - The Journal of …, 2020 - pubs.aip.org
The focal-point approach, combining several quantum chemistry computations to estimate a
more accurate computation at a lower expense, is effective and commonly used for …
more accurate computation at a lower expense, is effective and commonly used for …
Automatic Differentiation for Explicitly Correlated MP2
EC Mitchell, JM Turney… - Journal of Chemical …, 2024 - ACS Publications
Automatic differentiation (AD) offers a route to achieve arbitrary-order derivatives of
challenging wave function methods without the use of analytic gradients or response theory …
challenging wave function methods without the use of analytic gradients or response theory …