Software update: The ORCA program system—Version 5.0

F Neese - Wiley Interdisciplinary Reviews: Computational …, 2022 - Wiley Online Library
Abstract Version 5.0 of the ORCA quantum chemistry program suite was released in July
2021. ORCA 5.0 represents a major improvement over all previous versions of ORCA and …

Single-reference ab initio methods for the calculation of excited states of large molecules

A Dreuw, M Head-Gordon - Chemical reviews, 2005 - ACS Publications
Since the electronic Schrödinger equation (SE) was first written down, it was clear that it
cannot be solved exactly for real molecular systems due to the electron-electron interaction …

Advances in molecular quantum chemistry contained in the Q-Chem 4 program package

Y Shao, Z Gan, E Epifanovsky, ATB Gilbert… - Molecular …, 2015 - Taylor & Francis
A summary of the technical advances that are incorporated in the fourth major release of the
q-Chem quantum chemistry program is provided, covering approximately the last seven …

Coupled-cluster techniques for computational chemistry: The CFOUR program package

DA Matthews, L Cheng, ME Harding… - The Journal of …, 2020 - pubs.aip.org
An up-to-date overview of the CFOUR program system is given. After providing a brief
outline of the evolution of the program since its inception in 1989, a comprehensive …

[BOOK][B] Essentials of computational chemistry: theories and models

CJ Cramer - 2013 - books.google.com
Essentials of Computational Chemistry provides a balanced introduction to this dynamic
subject. Suitable for both experimentalists and theorists, a wide range of samples and …

MN15: A Kohn–Sham global-hybrid exchange–correlation density functional with broad accuracy for multi-reference and single-reference systems and noncovalent …

SY Haoyu, X He, SL Li, DG Truhlar - Chemical science, 2016 - pubs.rsc.org
Kohn–Sham density functionals are widely used; however, no currently available exchange–
correlation functional can predict all chemical properties with chemical accuracy. Here we …

The MRCC program system: Accurate quantum chemistry from water to proteins

M Kállay, PR Nagy, D Mester, Z Rolik… - The Journal of …, 2020 - pubs.aip.org
MRCC is a package of ab initio and density functional quantum chemistry programs for
accurate electronic structure calculations. The suite has efficient implementations of both low …

The second-order approximate coupled cluster singles and doubles model CC2

O Christiansen, H Koch, P Jørgensen - Chemical Physics Letters, 1995 - Elsevier
An approximate coupled cluster singles and doubles model is presented, denoted CC2. The
CC2 total energy is of second-order Møller-Plesset perturbation theory (MP2) quality. The …

Multireference approaches for excited states of molecules

H Lischka, D Nachtigallova, AJA Aquino… - Chemical …, 2018 - ACS Publications
Understanding the properties of electronically excited states is a challenging task that
becomes increasingly important for numerous applications in chemistry, molecular physics …

Revisiting the performance of time-dependent density functional theory for electronic excitations: Assessment of 43 popular and recently developed functionals from …

J Liang, X Feng, D Hait… - Journal of chemical theory …, 2022 - ACS Publications
In this paper, the performance of more than 40 popular or recently developed density
functionals is assessed for the calculation of 463 vertical excitation energies against the …