Evidencing an elusive conical intersection in the dissociative photoionization of methyl iodide

J González-Vázquez, GA García, DV Chicharro… - Chemical …, 2024 - pubs.rsc.org
The valence-shell dissociative photoionization of methyl iodide (CH3I) is studied using
double imaging photoelectron photoion coincidence (i2 PEPICO) spectroscopy in …

Quantitative studies of the photoabsorption (4.5–488 eV) and photoionization (9–59.5 eV) of methyl iodide using dipole electron impact techniques

TN Olney, G Cooper, CE Brion - Chemical physics, 1998 - Elsevier
Absolute oscillator strengths (cross sections) for the valence shell, I 4d, 4p, 4s and C 1s
inner shell photoabsorption of CH3I have been measured using low resolution (1 eV fwhm) …

Multiphoton ionization study of intra‐and intermolecular effects on the photodissociation of methyl iodide

SP Sapers, V Vaida, R Naaman - The Journal of chemical physics, 1988 - pubs.aip.org
A time-of-flight mass spectrometer (TOFMS) was used to obtain multiphoton ionization (MPI)
mass and wavelength spectra of methyl iodide. The sample was studied in a molecular jet …

Molecular ion spectroscopy: Mass selected, resonant two‐photon dissociation spectra of CH3I+ and CD3I+

K Walter, R Weinkauf, U Boesl… - The Journal of chemical …, 1988 - pubs.aip.org
We present a new ion spectroscopic technique by which it is possible to investigate larger
molecular ions by scanning an entire electronic state and coincidentally measuring and …

Non-empirical spin-orbit calculation of the CH3I ground state

M Tadjeddine, JP Flament, C Teichteil - Chemical physics, 1987 - Elsevier
The spin-orbit coupling of molecular states of CH 3 I is introduced through an effective
Hamiltonian and with pseudopotentials (CIPSO algorithm). Results are presented for the first …

A velocity map imaging study of the photodissociation of the methyl iodide cation

SM Poullain, DV Chicharro… - Physical Chemistry …, 2017 - pubs.rsc.org
The photodissociation dynamics of the methyl iodide cation has been studied using the
velocity map imaging technique. A first laser pulse is used to ionize methyl iodide via a (2+ …

Two‐photon absorption spectroscopy of mass‐selected ions: N2O+ and CS+2

PO Danis, T Wyttenbach, JP Maier - The Journal of chemical physics, 1988 - pubs.aip.org
A technique for the spectroscopic characterization of mass‐selected ions in ground and
bound excited electronic states involving two‐photon absorption and fragment ion detection …

Photodissociation dynamics of CH 3 I probed via multiphoton ionisation photoelectron spectroscopy

EM Warne, B Downes-Ward, J Woodhouse… - Physical Chemistry …, 2019 - pubs.rsc.org
The dissociation dynamics of CH3I is investigated on the red (269 nm) and blue (255 nm)
side of the absorption maximum of the A-band. Using a multiphoton ionisation probe in a …

Kinetics of acid-catalyzed hydration of acetylene. Evidence for the presence in the solution phase of unsubstituted vinyl cation

V Lucchini, G Modena - Journal of the American Chemical Society, 1990 - ACS Publications
The rates of acetylene hydration in the convenient range of aqueous sulfuric acid (andthose
of propyne, tert-bu-tylacetylene, ethylene, propene, and tert-butylethylene, for comparative …

Time-resolved predissociation of the vibrationless level of the B state of CH 3 I

N Thiré, R Cireasa, D Staedter, V Blanchet… - Physical Chemistry …, 2011 - pubs.rsc.org
The predissociation dynamics of the vibrationless level of the first Rydberg 6s (B 1E) state of
CH3I has been studied by femtosecond-resolved velocity map imaging of both the CH3 and …