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Title: Electronic spectroscopy of methyl vinyl ketone oxide: A four-carbon unsaturated Criegee intermediate from isoprene ozonolysis

Journal Article · · Journal of Chemical Physics
DOI:https://doi.org/10.1063/1.5064716· OSTI ID:1598271

Ozonolysis of isoprene, one of the most abundant volatile organic compounds in the atmosphere, proceeds through methyl vinyl ketone oxide (MVK-oxide), methacrolein oxide, and formaldehyde oxide (CH2OO) Criegee intermediates. The present study focuses on MVK-oxide, a four-carbon unsaturated carbonyl oxide intermediate, using vacuum ultraviolet photoionization at 118 nm and UV-visible induced depletion of the m/z = 86 mass channel to characterize its first π* ← π electronic transition. The electronic spectrum is broad and unstructured with its peak at 388 nm (3.2 eV). The MVK-oxide spectrum is shifted to a significantly longer wavelength than CH2OO and alkyl-substituted Criegee intermediates studied previously due to extended conjugation across the vinyl and carbonyl oxide groups. Electronic excitation results in rapid dissociation at λ ≤ 430 nm to methyl vinyl ketone and O 1D products, the latter detected by 2 + 1 resonance enhanced multiphoton ionization using velocity map imaging. Complementary electronic structure calculations (CASPT2(12,10)/AVDZ) predict two π* ← π transitions with significant oscillator strength for each of the four conformers of MVK-oxide with vertical excitation energies (and corresponding wavelengths) in the 3.1-3.6 eV (350-400 nm) and 4.5-5.5 eV (220-280 nm) regions. The computed electronic absorption profile of MVK-oxide, based on a Wigner distribution of ground state configurations and summed over the four conformers, is predicted to peak at 397 nm. UV-visible spectroscopy on the first π* ← π transition is shown by a combination of experiment and theory to provide a sensitive method for detection of the MVK-oxide Criegee intermediate that will enable further studies of its photochemistry and unimolecular and bimolecular reaction dynamics.

Research Organization:
Univ. of Pennsylvania, Philadelphia, PA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division; National Science Foundation (NSF)
Grant/Contract Number:
FG02-87ER13792; CHE-1664572
OSTI ID:
1598271
Alternate ID(s):
OSTI ID: 1782232
Journal Information:
Journal of Chemical Physics, Vol. 149, Issue 24; ISSN 0021-9606
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 34 works
Citation information provided by
Web of Science

References (63)

Direct evidence for a substantive reaction between the Criegee intermediate, CH 2 OO, and the water vapour dimer journal January 2015
A simple method for the evaluation of the second-order-perturbation energy from external double-excitations with a CASSCF reference wavefunction journal April 1982
UV Spectroscopic Characterization of Dimethyl- and Ethyl-Substituted Carbonyl Oxides journal March 2014
UV absorption spectrum of the C2 Criegee intermediate CH 3 CHOO journal August 2014
Communication: Ultraviolet photodissociation dynamics of the simplest Criegee intermediate CH 2 OO journal October 2013
Absolute Ultraviolet Absorption Spectrum of a Criegee Intermediate CH 2 OO journal November 2013
UV Photodissociation Dynamics of the CH 3 CHOO Criegee Intermediate: Action Spectroscopy and Velocity Map Imaging of O-Atom Products journal July 2015
The UV absorption of nucleobases: semi-classical ab initio spectra simulations journal January 2010
Ab Initio Computations and Active Thermochemical Tables Hand in Hand: Heats of Formation of Core Combustion Species journal August 2017
Atmospheric Degradation of Volatile Organic Compounds journal March 2004
Global data set of biogenic VOC emissions calculated by the MEGAN model over the last 30 years journal January 2014
Atmospheric fates of Criegee intermediates in the ozonolysis of isoprene journal January 2016
Ultraviolet Spectrum and Photochemistry of the Simplest Criegee Intermediate CH 2 OO journal December 2012
Gaussian basis sets for use in correlated molecular calculations. I. The atoms boron through neon and hydrogen journal January 1989
Mechanistic insights into excited state intramolecular proton transfer in isolated and metal chelated supramolecular chemosensors journal January 2016
The on-the-fly surface-hopping program system Newton-X: Application to ab initio simulation of the nonadiabatic photodynamics of benchmark systems journal August 2007
Deep tunneling in the unimolecular decay of CH 3 CHOO Criegee intermediates to OH radical products journal December 2016
Second‐order perturbation theory with a complete active space self‐consistent field reference function journal January 1992
Quantum Chemical and Master Equation Studies of the Methyl Vinyl Carbonyl Oxides Formed in Isoprene Ozonolysis journal December 2005
Electron affinities of the first‐row atoms revisited. Systematic basis sets and wave functions journal May 1992
Absolute UV absorption cross sections of dimethyl substituted Criegee intermediate (CH 3 ) 2 COO journal June 2016
Self‐consistent molecular orbital methods. XX. A basis set for correlated wave functions journal January 1980
Kinetic and Theoretical Investigation of the Gas-Phase Ozonolysis of Isoprene:  Carbonyl Oxides as an Important Source for OH Radicals in the Atmosphere journal August 1997
Formation Yields of Methyl Vinyl Ketone and Methacrolein from the Gas-Phase Reaction of O3 with Isoprene journal August 1994
Two-dimensional charged particle image inversion using a polar basis function expansion journal November 2004
Unimolecular Decay of the Dimethyl-Substituted Criegee Intermediate in Alkene Ozonolysis: Decay Time Scales and the Importance of Tunneling journal August 2017
Prompt release of O 1 D products upon UV excitation of CH 2 OO Criegee intermediates journal July 2017
A new atmospherically relevant oxidant of sulphur dioxide journal August 2012
Direct kinetic measurement of the reaction of the simplest Criegee intermediate with water vapor journal January 2015
Tunneling effects in the unimolecular decay of (CH 3 ) 2 COO Criegee intermediates to OH radical products journal April 2017
Formation of highly oxidized multifunctional compounds: autoxidation of peroxy radicals formed in the ozonolysis of alkenes – deduced from structure–product relationships journal January 2015
The near ultraviolet photodissociation dynamics of 2- and 3-substituted thiophenols: Geometric vs. electronic structure effects journal July 2017
Nonstatistical unimolecular dissociation over a barrier journal February 1998
The gas-phase ozonolysis of unsaturated volatile organic compounds in the troposphere journal January 2008
Direct Kinetic Measurements of Criegee Intermediate (CH2OO) Formed by Reaction of CH2I with O2 journal January 2012
Velocity map imaging of O-atom products from UV photodissociation of the CH2OO Criegee intermediate journal June 2015
Effect of the damping function in dispersion corrected density functional theory journal March 2011
Density‐functional thermochemistry. III. The role of exact exchange journal April 1993
Quantum dynamical investigation of the simplest Criegee intermediate CH 2 OO and its O–O photodissociation channels journal October 2014
Competing 1πσ* mediated dynamics in mequinol: O–H versus O–CH3 photodissociation pathways journal January 2012
Four-Carbon Criegee Intermediate from Isoprene Ozonolysis: Methyl Vinyl Ketone Oxide Synthesis, Infrared Spectrum, and OH Production journal July 2018
A kinetic study of the CH 2 OO Criegee intermediate self-reaction, reaction with SO 2 and unimolecular reaction using cavity ring-down spectroscopy journal January 2015
Ion imaging study of IO radical photodissociation: Accurate bond dissociation energy determination journal May 2008
A full-dimensional multilayer multiconfiguration time-dependent Hartree study on the ultraviolet absorption spectrum of formaldehyde oxide journal September 2014
UV Absorption Spectrum and Photodissociation Channels of the Simplest Criegee Intermediate (CH 2 OO) journal December 2014
UV spectroscopic characterization of an alkyl substituted Criegee intermediate CH 3 CHOO journal June 2013
The origin of fluorescence in DNA thio-analogues journal November 2018
Kinetics of a Criegee intermediate that would survive high humidity and may oxidize atmospheric SO 2 journal August 2015
Second-order perturbation theory with a CASSCF reference function journal July 1990
The UV absorption spectrum of the simplest Criegee intermediate CH 2 OO journal January 2014
Pressure-Dependent Criegee Intermediate Stabilization from Alkene Ozonolysis journal April 2016
Direct Measurements of Conformer-Dependent Reactivity of the Criegee Intermediate CH3CHOO journal April 2013
Infrared-driven unimolecular reaction of CH3CHOO Criegee intermediates to OH radical products journal September 2014
Direct observation of unimolecular decay of CH 3 CH 2 CHOO Criegee intermediates to OH radical products journal July 2016
Atmospheric Chemistry of Biogenic Organic Compounds journal September 1998
Quantum chemical and RRKM/master equation studies of isoprene ozonolysis: Methacrolein and methacrolein oxide journal January 2008
Atmospheric Degradation of Volatile Organic Compounds journal December 2003
Communication: Real time observation of unimolecular decay of Criegee intermediates to OH radical products journal February 2016
Newton-X: a surface-hopping program for nonadiabatic molecular dynamics: Newton-X
  • Barbatti, Mario; Ruckenbauer, Matthias; Plasser, Felix
  • Wiley Interdisciplinary Reviews: Computational Molecular Science, Vol. 4, Issue 1 https://doi.org/10.1002/wcms.1158
journal June 2013
Chemistry of secondary organic aerosol: Formation and evolution of low-volatility organics in the atmosphere journal May 2008
Direct production of OH radicals upon CH overtone activation of (CH 3 ) 2 COO Criegee intermediates journal December 2014
Efficient and Accurate Double-Hybrid-Meta-GGA Density Functionals—Evaluation with the Extended GMTKN30 Database for General Main Group Thermochemistry, Kinetics, and Noncovalent Interactions journal December 2010
How big is the substituent dependence of the solar photolysis rate of Criegee intermediates? journal January 2018

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Unimolecular decay dynamics of Criegee intermediates: Energy-resolved rates, thermal rates, and their atmospheric impact journal December 2019

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