The D alton quantum chemistry program system

K Aidas, C Angeli, KL Bak, V Bakken… - Wiley …, 2014 - Wiley Online Library
Dalton is a powerful general‐purpose program system for the study of molecular electronic
structure at the H artree–F ock, K ohn–S ham, multiconfigurational self‐consistent‐field, M …

Prediction of molecular properties and molecular spectroscopy with density functional theory: From fundamental theory to exchange-coupling

F Neese - Coordination Chemistry Reviews, 2009 - Elsevier
This review provides a detailed account of density functional theory (DFT) and its application
to the calculation of molecular properties of inorganic compounds. After introducing some …

State-targeted energy projection: A simple and robust approach to orbital relaxation of non-Aufbau self-consistent field solutions

K Carter-Fenk, JM Herbert - Journal of Chemical Theory and …, 2020 - ACS Publications
Orbital optimization is crucial when using a non-Aufbau Slater determinant that involves
promotion of an electron from a (nominally) occupied molecular orbital to an unoccupied …

Large-scale computations in chemistry: a bird's eye view of a vibrant field

AV Akimov, OV Prezhdo - Chemical reviews, 2015 - ACS Publications
1.1. The Meaning of “Large Scale” In general, the term “large scale” can have one of the
following five meanings in computational chemistry:(1) large size: power-law and …

Linear scaling self-consistent field calculations with millions of atoms in the condensed phase

J VandeVondele, U Borstnik… - Journal of chemical theory …, 2012 - ACS Publications
In this work, the applicability and performance of a linear scaling algorithm is investigated for
three-dimensional condensed phase systems. A simple but robust approach based on the …

A mathematical and computational review of Hartree–Fock SCF methods in quantum chemistry

P Echenique, JL Alonso - Molecular Physics, 2007 - Taylor & Francis
We present a review of the fundamental topics of Hartree–Fock theory in quantum chemistry.
From the molecular Hamiltonian, using and discussing the Born–Oppenheimer …

Density fitting with auxiliary basis sets from Cholesky decompositions

TB Pedersen, F Aquilante, R Lindh - Theoretical Chemistry Accounts, 2009 - Springer
Recent progress in the use of Cholesky decomposition techniques within the density fitting
approximation of two-electron integrals is reviewed with emphasis on the theoretical …

[HTML][HTML] A trust-region augmented Hessian implementation for restricted and unrestricted Hartree–Fock and Kohn–Sham methods

B Helmich-Paris - The Journal of Chemical Physics, 2021 - pubs.aip.org
We present a new implementation of a trust-region augmented Hessian approach (TRAH-
SCF) for restricted and unrestricted Hartree–Fock and Kohn–Sham methods. With TRAH …

A convergence study of QM/MM isomerization energies with the selected size of the QM region for peptidic systems

CV Sumowski, C Ochsenfeld - The Journal of Physical Chemistry …, 2009 - ACS Publications
A systematic study of the convergence of QM/MM results with respect to the chosen size of
the QM region is presented for two examples of peptidic systems. For this purpose, we …

On the relation between time-dependent and variational density functional theory approaches for the determination of excitation energies and transition moments.

T Ziegler, M Seth, M Krykunov, J Autschbach… - The Journal of chemical …, 2009 - pubs.aip.org
It is shown that it is possible to derive the basic eigenvalue equation of adiabatic time-
dependent density functional theory within the Tamm–Dancoff approximation (TD-DFT/TD) …