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4 edition of Charge-transfer photodissociation in gaseous van der Waals complexes found in the catalog.

Charge-transfer photodissociation in gaseous van der Waals complexes

Charge-transfer photodissociation in gaseous van der Waals complexes

Nabs...(XR)bs with RX=CHb3sC1 and Cb6sHb5sF.

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Published by National Library of Canada = Bibliothèque nationale du Canada in Ottawa .
Written in English


Edition Notes

SeriesCanadian theses = Thèses canadiennes
The Physical Object
FormatMicroform
Pagination2 microfiches : negative.
ID Numbers
Open LibraryOL14730476M
ISBN 100315741260
OCLC/WorldCa29912131

Crossed Molecular Beam Studies on Atom-Molecule Van der Waals Complexes.- Simple Additive Pairwise Potentials for Vibrationally Predissociating Triatomic Van der Waals Complexes: A RIOSA Multiproperty Fitting.- R2PI Spectra of the External Vibrational Modes of the Chlorobenzene-, Phenol- and Toluene-Rare Gas (Ne, Ar, Kr, Xe) Van der Waals. Photodissociation of van der Waals clusters of isoprene with oxygen, C5H8-O2, in the wavelength range nm. Vidma KV, Frederix PWJM, Parker DH, .

  Van der Waals heterostructures (VDWHs) exhibit rich properties and thus has potential for applications, and charge transfer between different layers in a heterostructure often dominates its properties and device performance. It is thus critical to reveal and understand the charge transfer effects in VDWHs, for which electronic structure measurements have proven to be effective. Using angle. Here in earth, with our modest gravity, the van der Waals radius of carbon (r C) is evident from the spacing between the layers in graphite. The distance between atoms in different layers of graphite is never less than twice the van der Waals radius of carbon (2 x r C = 2 x = Å). The atoms within a graphite layer are covalently linked.

A single laser operating at wavelengths around nm is used for both photodissociation of the van der Waals complex and simultaneous detection of the O({sup 3}P{sub J},J=2,1,0) atom photoproduct via (2+1) resonance enhanced multiphoton ionization. Arn(n = 1, 2, 3) Clusters Excited in the Hg (3p?1s) Spectral Region -- Nonadiabatic Effects on the Dynamics of the NeICl Van der Waals Complex -- The Infrared Photodissociation Spectra and the Internal Mobility of SF6-, SiF4- and SiR4- Dimers -- Vibrational Predissociation of the He-I2(B, v=34)-Ne Complex: Sequential Mechanism and Direct.


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Charge-transfer photodissociation in gaseous van der Waals complexes Download PDF EPUB FB2

Joseph I. Cline, Dwight D. Evard, Brian P. Reid, N. Sivakumar, Fritz Thommen and Kenneth C. Janda, Structure and Dynamics of the Rare Gas-Halogen Van Der Waals Molecules: Product State Distributions for Vibrational Predissociation of NeBr2, Structure and Dynamics of Weakly Bound Molecular Complexes, /_39, (), ().Cited by:   The photodissociation of van der Waals complexes of iodine X–I 2 (X = I 2, C 2 H 4) excited via Charge-Transfer (CT) band has been studied with the velocity map imaging issociation of both complexes gives rise to translationally “hot” molecular iodine I 2 via channels differing by kinetic energy and angular distribution of the recoil by: 1.

1. Introduction. Photodissociation of van der Waals complexes provides important information about intermolecular interaction and molecular dynamics and energetics.This study, as a function of system size, raises hopes for bridging the gap in the structure and dynamics between the gas phase and the condensed by: 1.

The channel of singlet oxygen O2(1Δg) photogeneration from van der Waals complexes of oxygen X–O2 has been investigated to discriminate between two possible mechanisms based on charge-transfer (CT) or double spin-flip (DSF) transitions. The results obtained in this work for complexes with X = ethylene C2H4,Cited by: 8.

Infrared photodissociation (IRPD) spectroscopy uses infrared radiation to break bonds in ions, photodissociate, within a mass spectrometer.

IRPD spectroscopy has been shown to use electron ionization, corona discharge, and electrospray ionization to obtain spectra of volatile and nonvolatile compounds. Ionized gases trapped in a mass spectrometer can be studied without the need of a Analytes: ion clusters, organic molecules, biomolecules.

The importance of all these processes dictates the interest in the study of the molecular mechanisms of absorption enhancement as well as pathways of "enhanced" photodissociation.

For the study of these phenomena one-to-one van der Waals complex of the type X-O2 is a benchmarking model. Supersonic free expansion has been utilized in the last years to prepare a wide variety of weakly bound molecular complexes which involve a rare-gas atom bound to a diatomic or Photodissociation Lifetimes of Van der Waals Complexes.

In: Kompa K.L., Smith S.D. (eds) Laser-Induced Processes in Molecules. Buy this book on publisher's site. Photodissociation of van der Waals complexes of iodine X–I 2 (X = I 2, C 2 H 4) via charge-transfer state: A velocity map imaging investigation.

The Journal of Chemical Physics(23), Buck, in Dynamics of Polyatomic Van Der Waals Complexes, Vol. of NATO Advanced Study Institute, Series B: Physics, edited by N.

Halberstadt and K. Janda (Plenum, New York, ), p. 43 and references cited therein. The photodissociation reaction of the molecular iodine:arene charge-transfer (CT) complex into an iodine atom and an iodine atom−arene fragment has been investigated using femtosecond pump−probe, resonance Raman, and molecular dynamics simulations.

In the condensed phase the reaction proceeds on a time scale of less than 25 fs, in sharp contrast to the gas phase where the excited state.

J.E. Kenny, T.D. Russell, and D.H. Levy, van der Waals complexes of iodine with hydrogen and deuterium: Intermolecular potentials and laser-induced photodissociation studies, J. Chem. Phys. () ADS CrossRef Google Scholar. For the most part these studies show primarily bound free transitions froiii upper charge-transfer ionic states, that are very similar to the alkali lialide ground states [2], to repulsive or very weakly bound van der Waals ground states- (Xenon fluoride is the most strongly-bound inert-gas monolialide in the ground State: D^ = eV [3.

Photodissociation of van der Waals clusters of isoprene with oxygen, C5H8-O2, in the wavelength range – nm Konstantin V. Vidma, Pim W. Frederix, David H. Parker, and Alexey V. Baklanov Citation: The Journal of Chemical Physics(); doi: / The van der Waals molecule ArI2 has been produced in a supersonic expansion of I2 in mixed argon–helium carrier gas, and its fluorescence excitation spectrum has been observed.

The photodissociation of NO within the NO–CH complex excited at nm leads to the formation of the vinyloxyl radical CHCHO. A nonstatistical rotational and vibrational state distribution has been measured. The kinetic energy of the H atom produced in the same reaction has been obtained through the Doppler profile.

@article{osti_, title = {Photodissociation cage effect in van der Waals complexes: Fluorescence spectra of I/sub 2/ B(/sup 3/Pi/sub 0+u/) from the hindered photodissociation of I/sub 2/Ar at nm}, author = {Valentini, J.J.

and Cross, J.B.}, abstractNote = {The B>.X fluorescence from I/sub 2/ produced in the hindered. Zero-Kinetic-Energy Photoelectron Spectroscopic Studies of Aromatic-Argon van der Waals Complexes (K Kimura) Mass-Analyzed Cation Spectroscopy Using Rydberg States: MATI and PIRI (P M Johnson) High Resolution Threshold Photoelectron and Photoelectron-Photoion Coincidence Spectroscopy Using Synchrotron Radiation (Y Morioka).

The ultraviolet photodissociation dynamics of the gold-rare gas atom van der Waals complexes (Au-RG, RG = Ar, Kr, and Xe) have been studied by velocity map imaging.

Van der Waals complexes provide important model problems for understanding energy transfer and dissipation. These processes can be described in great detail for Van der Waals complexes, and the insight gained from such studies can be applied to more complicated chemical problems that are not amenable to detailed study.

High pressure Van der Waals solids include (N 2) 6 Ne 7. [24] Neon hydrate or neon clathrate, a clathrate, can form in ice II at MPa pressure between 70 K and K. [25] Other neon hydrates are also predicted resembling hydrogen clathrate, and those clathrates of helium.

states. The ground state of this complex has been studied in molecular beams,29 and considered theoretically,30 as a van der Waals complex which shows incipient bonding. Two-photon induced harpoon reactions of the bare Xe:Cl2 com-plex have also been reported.9,10 A comparison of the liquid phase data with those in the gas phase allows the consider.tional studies for impurity centers in rare gases predicted the existence of an ionic molecule ~HXe!1Cl2.

The computation was based on the semiempirical diatomics-in-ionic-systems ~DIIS! method. According to the calculation, the ground state ~HXe!1Cl2 molecule is linear and separated from the van der Waals complex HCl{{{Xe by a barrier of Van der Waals complexes provide important model problems for understanding energy transfer and dissipation.

These processes can be described in great detail for Van der Waals complexes, and the insight gained from such studies can be applied to more complicated chemical problems that are not amenable to detailed study.