πσ* excited states in molecular photochemistry

MNR Ashfold, GA King, D Murdock, MGD Nix… - Physical Chemistry …, 2010 - pubs.rsc.org
The last few years have seen a surge in interest (both theoretical and experimental) in the
photochemistry of heteroaromatic molecules (eg azoles, phenols), which has served to …

Using time-resolved photoelectron spectroscopy to unravel the electronic relaxation dynamics of photoexcited molecules

HH Fielding, GA Worth - Chemical Society Reviews, 2018 - pubs.rsc.org
Time-resolved photoelectron spectroscopy measurements combined with quantum
chemistry and dynamics calculations allow unprecedented insight into the electronic …

The role of πσ* states in the photochemistry of heteroaromatic biomolecules and their subunits: insights from gas-phase femtosecond spectroscopy

GM Roberts, VG Stavros - Chemical Science, 2014 - pubs.rsc.org
In an effort to illuminate why nature has chosen a particular set of bio-molecular 'building-
blocks' for life, recent years have seen an up-surge of gas-phase spectroscopy experiments …

Non-adiabatic dynamics of pyrrole: Dependence of deactivation mechanisms on the excitation energy

M Barbatti, J Pittner, M Pederzoli, U Werner, R Mitrić… - Chemical Physics, 2010 - Elsevier
Non-adiabatic dynamics simulations were performed for pyrrole at time-dependent density
functional theory level using the trajectory surface hopping approach. Initial conditions were …

N–H⋯ π interactions in pyrroles: systematic trends from the vibrational spectroscopy of clusters

I Dauster, CA Rice, P Zielke, MA Suhm - Physical Chemistry Chemical …, 2008 - pubs.rsc.org
Pyrrole and some of its methylated derivatives are aggregated in a controlled way in pulsed
supersonic jet expansions. The cluster N–H stretching dynamics is studied using FTIR and …

Excited-state non-adiabatic dynamics simulations of pyrrole

M Vazdar, M Eckert-Maksić, M Barbatti… - Molecular …, 2009 - Taylor & Francis
Non-adiabatic on-the-fly-dynamics simulations of the photodynamics of pyrrole were
performed at multireference configuration interaction level involving five electronic states …

Dynamics starting at a conical intersection: application to the photochemistry of pyrrole

B Sellner, M Barbatti, H Lischka - The Journal of chemical physics, 2009 - pubs.aip.org
The photochemical ring opening process in pyrrole has been investigated by performing
classical on-the-fly dynamics using the multiconfiguration self-consistent field method for the …

Ab initio quantum dynamical study of the multi-state nonadiabatic photodissociation of pyrrole

S Faraji, M Vazdar, VS Reddy… - The Journal of …, 2011 - pubs.aip.org
There has been a substantial amount of theoretical investigations on the photodynamics of
pyrrole, often relying on surface hopping techniques or, if fully quantal, confining the study to …

Ultrafast dynamics of UV‐excited imidazole

R Crespo‐Otero, M Barbatti, H Yu, NL Evans… - …, 2011 - Wiley Online Library
The ultrafast dynamics of UV‐excited imidazole in the gas phase is investigated by
theoretical nonadiabatic dynamics simulations and experimental time‐resolved …

Velocity map imaging of HBr photodissociation in large rare gas clusters

J Fedor, J Kočišek, V Poterya, O Votava… - The Journal of …, 2011 - pubs.aip.org
We have implemented the velocity map imaging technique to study clustering in the pulsed
supersonic expansions of hydrogen bromide in helium, argon, and xenon. The expansions …