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From Venus to Mars: Spectroscopy and Kinetics of Reactive Intermediates in Planetary Atmospheres


Jones, Gregory Harrison (2024) From Venus to Mars: Spectroscopy and Kinetics of Reactive Intermediates in Planetary Atmospheres. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/7010-fc76.


The spectroscopy and kinetics of reactive intermediates in the atmospheres of Venus, Earth, and Mars were investigated through a combination of experimental and theoretical methods. Vibrational progressions in the A- and B-bands of ClSO were assigned, and predicted spectra matched well with experiment. A new unimolecular mechanism for 3-hydroxy-substituted Criegee intermediates was proposed, and predicted to be competitive with known isomerization pathways. The kinetic isotope effect and temperature dependence of the H + HO₂ reaction was calculated using high-level ab initio methods, with implications for the understanding of water loss on Mars.

Item Type:Thesis (Dissertation (Ph.D.))
Subject Keywords:Spectroscopy, Kinetics, Venus, Mars, Kinetic Isotope Effect, Semiclassical Transition State Theory, Variational Transition State Theory
Degree Grantor:California Institute of Technology
Division:Chemistry and Chemical Engineering
Major Option:Chemistry
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Okumura, Mitchio
Thesis Committee:
  • Goddard, William A., III (chair)
  • Okumura, Mitchio
  • Chan, Garnet K.
  • Yung, Yuk L.
Defense Date:19 September 2023
Funding AgencyGrant Number
NSF Graduate Research FellowshipUNSPECIFIED
Record Number:CaltechTHESIS:12112023-043755538
Persistent URL:
Related URLs:
URLURL TypeDescription adapted for Ch. 2 adapted for Ch. 3
Jones, Gregory Harrison0000-0003-3275-1661
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:16260
Deposited By: Gregory Jones
Deposited On:15 Dec 2023 18:11
Last Modified:12 Jun 2024 20:46

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