[HTML][HTML] Modern quantum chemistry with [Open] Molcas

F Aquilante, J Autschbach, A Baiardi… - The Journal of …, 2020 - pubs.aip.org
MOLCAS/OpenMolcas is an ab initio electronic structure program providing a large set of
computational methods from Hartree–Fock and density functional theory to various …

Molcas 8: New capabilities for multiconfigurational quantum chemical calculations across the periodic table

F Aquilante, J Autschbach, RK Carlson, LF Chibotaru… - 2016 - Wiley Online Library
In this report, we summarize and describe the recent unique updates and additions to the
Molcas quantum chemistry program suite as contained in release version 8. These updates …

MOLCAS 7: the next generation

F Aquilante, L De Vico, N Ferré, G Ghigo… - Journal of …, 2010 - Wiley Online Library
Some of the new unique features of the MOLCAS quantum chemistry package version 7 are
presented in this report. In particular, the Cholesky decomposition method applied to some …

OpenMolcas: From source code to insight

I Fdez. Galván, M Vacher, A Alavi… - Journal of chemical …, 2019 - ACS Publications
In this Article we describe the OpenMolcas environment and invite the computational
chemistry community to collaborate. The open-source project already includes a large …

MOLCAS—a software for multiconfigurational quantum chemistry calculations

F Aquilante, TB Pedersen, V Veryazov… - Wiley Interdisciplinary …, 2013 - Wiley Online Library
At variance, with most of the quantum chemistry software presently available, MOLCAS is a
package that is specialized in multiconfigurational wave function theory (MC‐WFT) rather …

2MOLCAS as a development platform for quantum chemistry software

V Veryazov, PO Widmark… - … journal of quantum …, 2004 - Wiley Online Library
This work presents the quantum chemistry package MOLCAS, with emphasis on its
usefulness as a platform for developing new quantum chemical codes, and the reader is …

The MolSSI QCArchive project: An open‐source platform to compute, organize, and share quantum chemistry data

DGA Smith, D Altarawy, LA Burns… - Wiley …, 2021 - Wiley Online Library
Abstract The Molecular Sciences Software Institute's (MolSSI) Quantum Chemistry Archive
(QCArchive) project is an umbrella name that covers both a central server hosted by MolSSI …

[HTML][HTML] Communication: DMRG-SCF study of the singlet, triplet, and quintet states of oxo-Mn (Salen)

S Wouters, T Bogaerts, P Van Der Voort… - The Journal of …, 2014 - pubs.aip.org
We use CheMPS2, our free open-source spin-adapted implementation of the density matrix
renormalization group (DMRG)[S. Wouters, W. Poelmans, PW Ayers, and D. Van Neck …

New approaches for ab initio calculations of molecules with strong electron correlation

S Knecht, ED Hedegård, S Keller, A Kovyrshin… - arXiv preprint arXiv …, 2015 - arxiv.org
Reliable quantum chemical methods for the description of molecules with dense-lying
frontier orbitals are needed in the context of many chemical compounds and reactions. Here …

Active Space Selection Based on Natural Orbital Occupation Numbers from n-Electron Valence Perturbation Theory

A Khedkar, M Roemelt - Journal of Chemical Theory and …, 2019 - ACS Publications
Efficient and robust approximations to the full configuration interaction (full-CI) method such
as the density matrix renormalization group (DMRG) and the full-CI quantum Monte Carlo …