Generalized Gaussian wave packet dynamics

D Huber, EJ Heller - The Journal of chemical physics, 1987 - pubs.aip.org
We propose an extension of the semiclassical Gaussian wave packet dynamics to eliminate
the three main restrictions of this method. The first restriction is that the wave packet is forced …

Calculating photoabsorption cross-sections for atmospheric volatile organic compounds

A Prlj, E Marsili, L Hutton, D Hollas… - ACS Earth and Space …, 2021 - ACS Publications
Characterizing the photochemical reactivity of transient volatile organic compounds (VOCs)
in our atmosphere begins with a proper understanding of their abilities to absorb sunlight …

Limits of the Nuclear Ensemble Method for Electronic Spectra Simulations: Temperature Dependence of the (E)-Azobenzene Spectrum

S Sršeň, J Sita, P Slavíček… - Journal of Chemical …, 2020 - ACS Publications
We explore the range of applicability of the nuclear ensemble method (NEM) for quantitative
simulations of absorption spectra and their temperature variations. We formulate a “good …

On the importance of initial conditions for excited-state dynamics

J Suchan, D Hollas, BFE Curchod, P Slavíček - Faraday discussions, 2018 - pubs.rsc.org
Photodynamical simulations are increasingly used to explore photochemical mechanisms
and interpret laser experiments. The vast majority of ab initio excited-state simulations are …

Electronic spectroscopy of cationic adamantane clusters and dehydrogenated adamantane in helium droplets

M Kappe, A Schiller, SA Krasnokutski… - Physical Chemistry …, 2022 - pubs.rsc.org
We report the first helium-tagged electronic spectra of cationic adamantane clusters, along
with its singly, doubly, and triply dehydrogenated analogues embedded in helium droplets …

Can theory quantitatively model stratospheric photolysis? Ab initio estimate of absolute absorption cross sections of ClOOCl

M Ončák, L Šištík, P Slavíček - The Journal of chemical physics, 2010 - pubs.aip.org
We have calculated the absorption spectrum of dichlorine peroxide (ClOOCl) in the spectral
range 250–400 nm. We have employed five different approaches to quantitatively model the …

Optimal representation of the nuclear ensemble: Application to electronic spectroscopy

S Srsen, P Slavicek - Journal of Chemical Theory and …, 2021 - ACS Publications
Nuclear densities are frequently represented by an ensemble of nuclear configurations or
points in the phase space in various contexts of molecular simulations. The size of the …

A-Band Absorption Spectrum of the ClSO Radical: Electronic Structure of the Sulfinyl Group

W Chao, GH Jones, M Okumura… - The Journal of …, 2023 - ACS Publications
Sulfur oxide species (RSOx) play a critical role in many fields, ranging from biology to
atmospheric chemistry. Chlorine-containing sulfur oxides may play a key role in sulfate …

Jahn–Teller effects in initial and final states: high-resolution X-ray absorption, photoelectron and Auger spectroscopy of allene

E Muchova, D Hollas, DMP Holland… - Physical Chemistry …, 2023 - pubs.rsc.org
Carbon K-edge resonant Auger spectra of gas-phase allene following excitation of the pre-
edge 1s→ π* transitions are presented and analysed with the support of EOM-CCSD/cc …

[HTML][HTML] Photochemistry and spectroscopy of small hydrated magnesium clusters Mg+ (H2O) n, n= 1–5

M Ončák, T Taxer, E Barwa, C van der Linde… - The Journal of …, 2018 - pubs.aip.org
Hydrated singly charged magnesium ions Mg+(H 2 O) n, n≤ 5, in the gas phase are ideal
model systems to study photochemical hydrogen evolution since atomic hydrogen is formed …