[HTML][HTML] Recent developments in the general atomic and molecular electronic structure system

GMJ Barca, C Bertoni, L Carrington, D Datta… - The Journal of …, 2020 - pubs.aip.org
A discussion of many of the recently implemented features of GAMESS (General Atomic and
Molecular Electronic Structure System) and LibCChem (the C++ CPU/GPU library …

Oxygen K-edge X-ray absorption spectra

F Frati, MOJY Hunault, FMF De Groot - Chemical reviews, 2020 - ACS Publications
We review oxygen K-edge X-ray absorption spectra of both molecules and solids. We start
with an overview of the main experimental aspects of oxygen K-edge X-ray absorption …

New and efficient equation-of-motion coupled-cluster framework for core-excited and core-ionized states

ML Vidal, X Feng, E Epifanovsky… - Journal of Chemical …, 2019 - ACS Publications
We present a fully analytical implementation of the core–valence separation (CVS) scheme
for the equation-of-motion (EOM) coupled-cluster singles and doubles (CCSD) method for …

Probing ultrafast ππ*/nπ* internal conversion in organic chromophores via K-edge resonant absorption

TJA Wolf, RH Myhre, JP Cryan, S Coriani… - Nature …, 2017 - nature.com
Many photoinduced processes including photosynthesis and human vision happen in
organic molecules and involve coupled femtosecond dynamics of nuclei and electrons …

Four-carbon Criegee intermediate from isoprene ozonolysis: Methyl vinyl ketone oxide synthesis, infrared spectrum, and OH production

VP Barber, S Pandit, AM Green… - Journal of the …, 2018 - ACS Publications
The reaction of ozone with isoprene, one of the most abundant volatile organic compounds
in the atmosphere, produces three distinct carbonyl oxide species (RR′ COO) known as …

eT 1.0: An open source electronic structure program with emphasis on coupled cluster and multilevel methods

SD Folkestad, EF Kjønstad, RH Myhre… - The Journal of …, 2020 - pubs.aip.org
The e T program is an open source electronic structure package with emphasis on coupled
cluster and multilevel methods. It includes efficient spin adapted implementations of ground …

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 …

Assessment of approximate coupled-cluster and algebraic-diagrammatic-construction methods for ground-and excited-state reaction paths and the conical …

D Tuna, D Lefrancois, Ł Wolański… - Journal of Chemical …, 2015 - ACS Publications
As a minimal model of the chromophore of rhodopsin proteins, the penta-2, 4-dieniminium
cation (PSB3) poses a challenging test system for the assessment of electronic-structure …

Probing fundamental symmetries of deformed nuclei in symmetric top molecules

P Yu, NR Hutzler - Physical Review Letters, 2021 - APS
Precision measurements of Schiff moments in heavy, deformed nuclei are sensitive probes
of beyond standard model T, P violation in the hadronic sector. While the most stringent …

Ultrafast x-ray spectroscopy of conical intersections

SP Neville, M Chergui, A Stolow, MS Schuurman - Physical review letters, 2018 - APS
Ongoing developments in ultrafast x-ray sources offer powerful new means of probing the
complex nonadiabatically coupled structural and electronic dynamics of photoexcited …