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 …

Quantum-chemical calculation of spectroscopic parameters for rotational spectroscopy

C Puzzarini, JF Stanton, J Gauss - International Reviews in …, 2010 - Taylor & Francis
Full article: Quantum-chemical calculation of spectroscopic parameters for rotational
spectroscopy Skip to Main Content Taylor and Francis Online homepage Taylor and Francis …

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 …

An introduction to coupled cluster theory for computational chemists

TD Crawford, HF Schaefer III - Reviews in computational …, 2007 - books.google.com
Since its introduction into quantum chemistry in the late 1960s by Cizek and Paldusf “3
coupled cluster theory has emerged as perhaps the most reliable, yet computationally …

HEAT: High accuracy extrapolated ab initio thermochemistry

A Tajti, PG Szalay, AG Császár, M Kállay… - The Journal of …, 2004 - pubs.aip.org
A theoretical model chemistry designed to achieve high accuracy for enthalpies of formation
of atoms and small molecules is described. This approach is entirely independent of …

How to VPT2: Accurate and intuitive simulations of CH stretching infrared spectra using VPT2+ K with large effective Hamiltonian resonance treatments

PR Franke, JF Stanton… - The Journal of Physical …, 2021 - ACS Publications
This article primarily discusses the utility of vibrational perturbation theory for the prediction
of X–H stretching vibrations with particular focus on the specific variant, second-order …

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 …

Ab initio calculation of molecular chiroptical properties

TD Crawford - Theoretical Chemistry Accounts, 2006 - Springer
This review describes the first-principles calculation of chiroptical properties such as optical
rotation, electronic and vibrational circular dichroism, and Raman optical activity. Recent …

The accurate determination of molecular equilibrium structures

KL Bak, J Gauss, P Jørgensen, J Olsen… - The Journal of …, 2001 - pubs.aip.org
Equilibrium structures have been determined for 19 molecules using least-squares fits
involving rotational constants from experiment and vibrational corrections from high-level …

Optical Trap** of a Polyatomic Molecule in an -Type Parity Doublet State

C Hallas, NB Vilas, L Anderegg, P Robichaud… - Physical Review Letters, 2023 - APS
We report optical trap** of a polyatomic molecule, calcium monohydroxide (CaOH). CaOH
molecules from a magneto-optical trap are sub-Doppler laser cooled to 20 (3) μ K in free …