Continuous pyrolysis microreactors: Hot sources with little cooling? New insights utilizing cation velocity map imaging and threshold photoelectron spectroscopy

P Hemberger, X Wu, Z Pan, A Bodi - The Journal of Physical …, 2022 - ACS Publications
Resistively heated silicon carbide microreactors are widely applied as continuous sources to
selectively prepare elusive and reactive intermediates with astrochemical, catalytic, or …

The hunt for reactive alkynes in bio-orthogonal click reactions: insights from mechanochemical and conceptual DFT calculations

T Bettens, M Alonso, P Geerlings, F De Proft - Chemical Science, 2020 - pubs.rsc.org
In our effort to implement the mechanical force used to activate single molecules in
mechanochemistry in the context of conceptual density functional theory, we present a …

Exploring the excited-state dynamics of hydrocarbon radicals, biradicals, and carbenes using time-resolved photoelectron spectroscopy and field-induced surface …

A Röder, J Petersen, K Issler, I Fischer… - The Journal of …, 2019 - ACS Publications
Reactive hydrocarbon molecules like radicals, biradicals, and carbenes are not only key
players in combustion processes and interstellar and atmospheric chemistry but also …

Non-Radiative Deactivation in Isolated Quinoline

F Sturm, C Herok, I Fischer - The Journal of Physical Chemistry A, 2024 - ACS Publications
The photophysics of the S2 1 (ππ*) state of the polycyclic aromatic nitrogen-containing
hydrocarbon (PANH) quinoline is investigated in a free jet using a picosecond laser system …

On the absolute photoionization cross section and dissociative photoionization of cyclopropenylidene

F Holzmeier, I Fischer, B Kiendl, A Krueger… - Physical Chemistry …, 2016 - pubs.rsc.org
We report the determination of the absolute photoionization cross section of
cyclopropenylidene, c-C3H2, and the heat of formation of the C3H radical and ion derived …

Bonding, aromaticity, and planar tetracoordinated carbon in Si2CH2 and Ge2CH2

S Vogt-Geisse, JIC Wu, PR Schleyer… - Journal of molecular …, 2015 - Springer
Natural bond orbital (NBO) analyses and dissected nucleus-independent chemical shifts
(NICS π zz) were computed to evaluate the bonding (bond type, electron occupation …

Threshold photoelectron spectroscopy of cyclopropenylidene, chlorocyclopropenylidene, and their deuterated isotopomeres

P Hemberger, B Noller, M Steinbauer… - The Journal of …, 2010 - ACS Publications
Cyclopropenylidene (c-C3H2), chlorocyclopropenylidene (c-C3HCl), and their deuterated
isotopomers were studied by the threshold photoelectron-photoion coincidence (TPEPICO) …

Photodissociation dynamics of propargylene, HCCCH

J Giegerich, J Petersen, R Mitrić… - Physical Chemistry …, 2014 - pubs.rsc.org
We report a joint theoretical and experimental study on the photodissociation of the C3H2
isomer propargylene, HCCCH, combining velocity map imaging with nonadiabatic trajectory …

The photoionisation of propargylene and diazopropyne

M Steinbauer, M Lang, I Fischer… - Physical Chemistry …, 2011 - pubs.rsc.org
The photoionisation of the C3H2 isomer propargylene was studied using synchrotron
radiation and coincidence techniques. An adiabatic ionisation energy (IEad) of 8.99±0.02 eV …

Photodissociation Dynamics of Cyclopropenylidene, c‐C3H2

MS Schuurman, J Giegerich, K Pachner… - … A European Journal, 2015 - Wiley Online Library
In this joint experimental and theoretical study we characterize the complete dynamical “life
cycle” associated with the photoexcitation of the singlet carbene cyclopropenylidene to the …