Algebraic diagrammatic construction schemes employing the intermediate state formalism: Theory, capabilities, and interpretation

A Dreuw, A Papapostolou… - The Journal of Physical …, 2023 - ACS Publications
Algebraic diagrammatic construction (ADC) schemes represent a family of ab initio methods
for the calculation of excited electronic states and electron-detached and-attached states. All …

Free and open source software for computational chemistry education

S Lehtola, AJ Karttunen - Wiley Interdisciplinary Reviews …, 2022 - Wiley Online Library
After decades of waiting, computational chemistry for the masses is finally here. Our brief
review on free and open source software (FOSS) packages points out the existence of …

[HTML][HTML] PSI4 1.4: Open-source software for high-throughput quantum chemistry

DGA Smith, LA Burns, AC Simmonett… - The Journal of …, 2020 - pubs.aip.org
PSI4 is a free and open-source ab initio electronic structure program providing
implementations of Hartree–Fock, density functional theory, many-body perturbation theory …

Atomistica. online–web application for generating input files for ORCA molecular modelling package made with the Anvil platform

S Armaković, SJ Armaković - Molecular Simulation, 2023 - Taylor & Francis
We present the atomistica. online, a web application for generating input files for the ORCA
molecular modelling package. atomistica. online is entirely made with the Anvil platform …

Complex linear response functions for a multiconfigurational self-consistent field wave function in a high performance computing environment

M Scott, MG Delcey - Journal of Chemical Theory and …, 2023 - ACS Publications
We present novel developments for the highly efficient evaluation of complex linear
response functions of a multiconfigurational self-consistent field (MCSCF) wave function as …

MultiPsi: A python‐driven MCSCF program for photochemistry and spectroscopy simulations on modern HPC environments

MG Delcey - Wiley Interdisciplinary Reviews: Computational …, 2023 - Wiley Online Library
We present MultiPsi, an open‐source MCSCF program for the calculation of ground and
excited states properties of strongly correlated systems. The program currently implements a …

Two-Photon Absorption Strengths of Small Molecules: Reference CC3 Values and Benchmarks

C Naim, R Zaleśny, D Jacquemin - Journal of Chemical Theory …, 2024 - ACS Publications
We present a large dataset of highly accurate two-photon transition strengths (δTPA)
determined for standard small molecules. Our reference values have been calculated using …

Complete active space methods for NISQ devices: The importance of canonical orbital optimization for accuracy and noise resilience

JA de Gracia Triviño, MG Delcey… - Journal of Chemical …, 2023 - ACS Publications
To avoid the scaling of the number of qubits with the size of the basis set, one can divide the
molecular space into active and inactive regions, which is also known as complete active …

adcc: A versatile toolkit for rapid development of algebraic‐diagrammatic construction methods

MF Herbst, M Scheurer, T Fransson… - Wiley …, 2020 - Wiley Online Library
ADC‐connect (adcc) is a hybrid python/C++ module for performing excited state calculations
based on the algebraic‐diagrammatic construction scheme for the polarization propagator …

[PDF][PDF] Python parallel processing and multiprocessing: A rivew

ZA Aziz, DN Abdulqader, AB Sallow… - Academic Journal of …, 2021 - academia.edu
Parallel and multiprocessing algorithms break down significant numerical problems into
smaller subtasks, reducing the total computing time on multiprocessor and multicore …