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Themed collection Imaging molecular dynamics

31 items
Editorial

Imaging molecular dynamics

Editorial for the themed issue on Imaging Molecular Dynamics.

Graphical abstract: Imaging molecular dynamics
From the themed collection: Imaging molecular dynamics
Perspective

Attosecond imaging

The natural timescale for electron dynamics reaches down to the attosecond domain.

Graphical abstract: Attosecond imaging
From the themed collection: Imaging molecular dynamics
Perspective

Detecting chirality in molecules by imaging photoelectron circular dichroism

A perspective is given on photoelectron circular dichroism, capable of distinguishing enantiomers of chiral molecules with high sensitivity and mass selectivity.

Graphical abstract: Detecting chirality in molecules by imaging photoelectron circular dichroism
From the themed collection: Imaging molecular dynamics
Perspective

Velocity map imaging of ion–molecule reactions

Velocity map imaging has proven to be a powerful tool to unravel the dynamics of ion–molecule reactions.

Graphical abstract: Velocity map imaging of ion–molecule reactions
From the themed collection: Imaging molecular dynamics
Perspective

Fast sensors for time-of-flight imaging applications

We review recent developments in fast image sensor technology together with applications in areas including reaction dynamics and mass spectrometry.

Graphical abstract: Fast sensors for time-of-flight imaging applications
From the themed collection: Imaging molecular dynamics
Paper

Photodissociation dynamics of propargylene, HCCCH

We report a joint theoretical and experimental study on the photodissociation of the C3H2 isomer propargylene, HCCCH, combining velocity map imaging with nonadiabatic surface hopping calculations.

Graphical abstract: Photodissociation dynamics of propargylene, HCCCH
From the themed collection: Imaging molecular dynamics
Paper

Photodissociation of singlet oxygen in the UV region

Velocity map image of O(3p) atoms formed from the photodissociation of singlet oxygen.

Graphical abstract: Photodissociation of singlet oxygen in the UV region
From the themed collection: Imaging molecular dynamics
Paper

Fragmentation dynamics of the ethyl bromide and ethyl iodide cations: a velocity-map imaging study

The photodissociation dynamics of ethyl bromide and ethyl iodide cations have been studied at a range of UV wavelengths using time-of-flight mass spectrometry and velocity-map imaging.

Graphical abstract: Fragmentation dynamics of the ethyl bromide and ethyl iodide cations: a velocity-map imaging study
From the themed collection: Imaging molecular dynamics
Paper

Slice imaging of methyl bromide photofragmentation at 193 nm

The photodissociation of methyl bromide at 193 nm is studied using slice imaging.

Graphical abstract: Slice imaging of methyl bromide photofragmentation at 193 nm
From the themed collection: Imaging molecular dynamics
Paper

Experimental and theoretical investigation of correlated fine structure branching ratios arising from state-selected predissociation of BrO (A2Π3/2)

We present results for the v′-dependent predissociation dynamics of the BrO (A2Π3/2) state using velocity map ion imaging.

Graphical abstract: Experimental and theoretical investigation of correlated fine structure branching ratios arising from state-selected predissociation of BrO (A2Π3/2)
From the themed collection: Imaging molecular dynamics
Paper

Symmetry matters: photodissociation dynamics of symmetrically versus asymmetrically substituted phenols

We report a combined experimental (H (Rydberg) atom photofragment translational spectroscopy) and theoretical (ab initio electronic structure and vibronic coupling calculations) study of the effects of symmetry on the photodissociation dynamics of substituted phenols.

Graphical abstract: Symmetry matters: photodissociation dynamics of symmetrically versus asymmetrically substituted phenols
From the themed collection: Imaging molecular dynamics
Paper

A roaming wavepacket in the dynamics of electronically excited 2-hydroxypyridine

Time resolved roaming dynamics investigated on 2-hydroxypyridine.

Graphical abstract: A roaming wavepacket in the dynamics of electronically excited 2-hydroxypyridine
From the themed collection: Imaging molecular dynamics
Paper

A velocity map imaging study of the photodissociation of the à state of ammonia

A high-resolution velocity map imaging study of the photodissociation of the à state of ammonia provides new insight into the dynamics mechanism and the electronic branching ratio for this prototypic reaction.

Graphical abstract: A velocity map imaging study of the photodissociation of the à state of ammonia
From the themed collection: Imaging molecular dynamics
Paper

Inverting ion images without Abel inversion: maximum entropy reconstruction of velocity maps

Maximum entropy is used to find the optimal reconstruction of velocity maps from ion images.

Graphical abstract: Inverting ion images without Abel inversion: maximum entropy reconstruction of velocity maps
From the themed collection: Imaging molecular dynamics
Paper

Photodissociation of CO2 between 13.540 eV and 13.678 eV

Photodissociation of CO2 is investigated between 13.540 eV and 13.678 eV using the time-sliced velocity-mapped ion imaging (TSVMI) apparatus that is combined with one-color and two-color pump–probe VUV + VUV and VUV + UV detection schemes by probing oxygen fragments at different levels.

Graphical abstract: Photodissociation of CO2 between 13.540 eV and 13.678 eV
From the themed collection: Imaging molecular dynamics
Paper

Relaxation dynamics of photoexcited resorcinol: internal conversion versus H atom tunnelling

The excited state dynamics of resorcinol following UV excitation at wavelengths 278 ≥ λ ≥ 255 nm, have been investigated using time-resolved ion yield and velocity map ion imaging.

Graphical abstract: Relaxation dynamics of photoexcited resorcinol: internal conversion versus H atom tunnelling
From the themed collection: Imaging molecular dynamics
Paper

268 nm photodissociation of ClN3: a femtosecond velocity-map imaging study

Femtosecond time-resolved velocity-map imaging is used to study the photodissociation dynamics of chlorine azide (ClN3) at 268 nm. By detecting the co-fragments Cl and N3via multiphoton ionization, the time dependence of the energy and angular distributions is revealed.

Graphical abstract: 268 nm photodissociation of ClN3: a femtosecond velocity-map imaging study
From the themed collection: Imaging molecular dynamics
Paper

Observation of d–p hybridized aromaticity in lanthanum-doped boron clusters

The electronic structures and chemical bonding of small La-doped boron clusters reveal a new and intriguing d–p hybridized aromaticity.

Graphical abstract: Observation of d–p hybridized aromaticity in lanthanum-doped boron clusters
From the themed collection: Imaging molecular dynamics
Paper

Selective deprotonation of oxazole and photoelectron imaging of the oxazolide anion

Photoelectron imaging of C2-oxazolide reveals the electron affinity of oxazolyl and sheds light on the hybrid character of the HOMO.

Graphical abstract: Selective deprotonation of oxazole and photoelectron imaging of the oxazolide anion
From the themed collection: Imaging molecular dynamics
Paper

Photodetachment and photodissociation of the linear OCuO molecular anion: energy and time dependence of Cu production

Energy and time domain photodetachment imaging of D∞h CuO2 demonstrates long timescale, complex dissociation dynamics producing Cu + O2.

Graphical abstract: Photodetachment and photodissociation of the linear OCuO− molecular anion: energy and time dependence of Cu− production
From the themed collection: Imaging molecular dynamics
Paper

State-to-state resolved differential cross sections for rotationally inelastic scattering of ND3 with He

Quantum-state resolved scattering of ND3 with helium, measured by velocity map imaging, is compared with quantum mechanical scattering calculations.

Graphical abstract: State-to-state resolved differential cross sections for rotationally inelastic scattering of ND3 with He
From the themed collection: Imaging molecular dynamics
Paper

Imaging of spatial many-body wave functions via linear momentum measurements

Spatial configuration and linear momenta of a dissociating system are related at any time t after fragments exit from the reaction zone.

Graphical abstract: Imaging of spatial many-body wave functions via linear momentum measurements
From the themed collection: Imaging molecular dynamics
Paper

Effects of resonant excitation, pulse duration and intensity on photoelectron imaging of a dianion

Photoelectron images of a dianion following excitation through an excited state are strongly dependent on pulse duration and intensity.

Graphical abstract: Effects of resonant excitation, pulse duration and intensity on photoelectron imaging of a dianion
From the themed collection: Imaging molecular dynamics
Open Access Paper

Imaging breakdown diagrams for bromobutyne isomers with photoelectron–photoion coincidence

The breakdown diagram is contained in photoion mass selected VMI-PEPICO images taken at a single photon energy and used to derive appearance energies.

Graphical abstract: Imaging breakdown diagrams for bromobutyne isomers with photoelectron–photoion coincidence
From the themed collection: Imaging molecular dynamics
Paper

Imaging the photodissociation dynamics of neutral metal clusters: copper dimer, Cu2, and copper oxide, CuO

A combined spectroscopic/velocity map imaging study of copper dimer and copper oxide.

Graphical abstract: Imaging the photodissociation dynamics of neutral metal clusters: copper dimer, Cu2, and copper oxide, CuO
From the themed collection: Imaging molecular dynamics
Paper

On the signal depletion induced by stretching excitation of methane in the reaction with the F atom

A systematic study of IR-induced signal depletion leads to the rotationally state-selected reaction cross sections.

Graphical abstract: On the signal depletion induced by stretching excitation of methane in the reaction with the F atom
From the themed collection: Imaging molecular dynamics
Paper

Critical influences on the rate of intramolecular vibrational redistribution: a comparative study of toluene, toluene-d3 and p-fluorotoluene

Picosecond time-resolved photoelectron spectroscopy has been used to probe the evolution of vibrational wavepackets during energy redistribution, revealing the important role played by doorway states.

Graphical abstract: Critical influences on the rate of intramolecular vibrational redistribution: a comparative study of toluene, toluene-d3 and p-fluorotoluene
From the themed collection: Imaging molecular dynamics
Paper

Time resolved observation of the solvation dynamics of a Rydberg excited molecule deposited on an argon cluster-I: DABCO at short times

This experimental paper provides a time probe for the solvation environment dynamics of excited molecules deposited on large argon clusters.

Graphical abstract: Time resolved observation of the solvation dynamics of a Rydberg excited molecule deposited on an argon cluster-I: DABCO☆ at short times
From the themed collection: Imaging molecular dynamics
Paper

A photoionization investigation of small, homochiral clusters of glycidol using circularly polarized radiation and velocity map electron–ion coincidence imaging

VMI photoelectron and coincident ion detection are applied to investigate mass-selected glycidol clusters. Photoelectron Circular Dichroism captures a distinct chiral signature for the neutral monomer, the dimer and higher cluster sizes.

Graphical abstract: A photoionization investigation of small, homochiral clusters of glycidol using circularly polarized radiation and velocity map electron–ion coincidence imaging
From the themed collection: Imaging molecular dynamics
Paper

Caging of Cl atoms from photodissociation of CF2Cl2 in clusters

The photodissociation dynamics of the CF2Cl2 molecule was investigated using the imaging technique: the photodissociation in rare gas clusters is compared to isolated molecules.

Graphical abstract: Caging of Cl atoms from photodissociation of CF2Cl2 in clusters
From the themed collection: Imaging molecular dynamics
Paper

Dynamics of Cl + propane, butanes revisited: a crossed beam slice imaging study

Picturing the transition-state region of H–D abstraction in benchmark Cl + alkane reactions in unprecedented detail.

Graphical abstract: Dynamics of Cl + propane, butanes revisited: a crossed beam slice imaging study
From the themed collection: Imaging molecular dynamics
31 items

About this collection

The advent of charged particle imaging methods has led to extraordinary advances in our appreciation of the structure and dynamics of excited state molecules and of molecular reactivity in the gas phase; many such advances are showcased in this themed issue. Guest edited by Michael N. R. Ashfold and David H. Parker.

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