# Browse Abstracts & Presentations - 2014 International Symposium on Molecular Spectroscopy by Subject "Mini-symposium: Spectroscopy in Kinetics and Dynamics"

• (International Symposium on Molecular Spectroscopy, 2014-06-18)
Reactions of migrating H-atoms in parahydrogen (pH$_{2}$) matrices with trapped molecular species provide a relatively unexplored yet well-established experimental method to study the kinetics and mechanisms of atom tunneling ...

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Microsoft PowerPoint 2007 (4MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
\begin{wrapfigure}{r}{0pt} \includegraphics[scale=0.25]{Graph2.eps} \end{wrapfigure} The realization of common materials transformations in nanocrystalline systems is fostering the development of novel nanostructures ...

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Microsoft PowerPoint 2007 (59MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-16)
We report on gas-phase experiments investigating the predissociation and possible IR-driven isomerization of the 3-aminophenol-ammonia complex (3-AP-NH$_{3}$). A molecular beam of 3-AP-NH$_{3}$ is vibrationally excited ...

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Microsoft PowerPoint 2007 (26MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Second harmonic generation (SHG) microscopy was integrated with synchrotron X-ray diffraction (XRD) to test the Ostwald Rule of Stages, in which is hypothesized that crystals dynamically transition through metastable ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-18)
Criegee radicals are important atmospheric intermediates formed from ozonolysis of alkenes. It potentially contributes to the atmospheric oxidation cycle mainly by generating OH radicals through unimolecular decomposition. ...

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Microsoft PowerPoint 2007 (5MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
The rate constants for the dissociation of Ni$^{+}$Pentanal at various internal energies (15000 cm$^{-1}$-18800 cm$^{-1}$) were measured using a custom time of flight instrument. Clusters are generated in a large source ...

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Microsoft PowerPoint 2007 (1MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
The scattering distributions of state-selected methyl radicals are measured for the O($^1$D$_2$) reaction with methane using a crossed molecular beam ion imaging method at collision energies of 0.9 – 6.8 kcal/mol. The ...

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Microsoft PowerPoint 2007 (5MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Conformational heterogeneity and dynamics impact protein function, but their investigation is limited by the availability of methods for characterizing rapidly fluctuating protein states with both high spatial and temporal ...

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Microsoft PowerPoint 2007 (26MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-18)
We investigate the photolytic production of two radical intermediates in the reaction of OH with propene, one from addition of the hydroxyl radical to the terminal carbon and the other from addition to the center carbon. ...

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Microsoft PowerPoint 2007 (9MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-18)
"The use of the CRESU (Cinétique de Réaction en Ecoulement Supersonique Uniforme, or Reaction Kinetics in Uniform Supersonic Flow) technique coupled with pulsed laser photochemical kinetics methods has shown that reactions ...

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PDF (6MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-16)
Accurate ab initio theoretical/computational work on dynamics and spectroscopy begins with a potential energy surface (PES). My talk therefore begins with a brief review of progress we have made in developing accurate ab ...

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PDF (5MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-16)
H$_3^+$ $+$ H$_2\rightarrow$ H$_5^+\rightarrow$ H$_3^+$ $+$ H$_2$ is a prototypical proton transfer reaction of astrochemical significance. Developing a deeper understanding of its reaction mechanism will provide important ...

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Microsoft PowerPoint 2007 (6MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-18)
Rotational energy transfer and depolarization rates have been determined for fine-structure-selected rotational levels of the vibrationless ground state of CN (\textit{\~{X}} $^2\Sigma ^{+}$) radicals. Collisions with Ar, ...

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Microsoft PowerPoint 2007 (1MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-16)
Using a pulsed plasma microjet to generate short-lived, electronically-excited diatomic molecules, and subsequently ejecting them into vacuum to cool via supersonic expansion, we are able to monitor the cooling of molecules ...

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PDF (2MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-18)
Photo-induced radical chemistry is crucial to atmospheric processes, namely: oxidation, particulate matter formation, and climate change. The combination of transient absorption and pulsed cavity ring-down spectroscopies ...

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Microsoft PowerPoint 2007 (2MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
The spectroscopy of the nitrate cation NO$_{3}^{+}$ remains poorly understood. It has a symmetric D$_{3h}$ ground state with an IP = 12.55 eV and is predicted to have four low lying electronic states, three of $E$ symmetry ...

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Microsoft PowerPoint 2007 (20MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-18)
\chem{CO_2} is known as a strong contributor to the greenhouse effect, and its concentration in the atmosphere increases annually. Photodissociation of \chem{CO_2} is considered an important photochemical sink of \chem{CO_2} ...

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Microsoft PowerPoint 2007 (57MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
A table-top high harmonic XUV light source (50 eV to 70 eV) has been successfully utilized to explore the ultrafast dynamics of vinyl bromide (CH$_{2}$=CHBr) with electronic state specificity and elemental sensitivity. ...

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Microsoft PowerPoint 2007 (17MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-18)
Ozonolysis reactions of alkenes are important oxidation pathways of alkenes in the atmosphere, and they are also significant sources of tropospheric hydroxyl radicals. In this work, ozone reactions with {\it trans}- and ...

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Microsoft PowerPoint 2007 (4MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-18)
High frequency pure rotational transitions of the simplest Criegee intermediate, methylene peroxide (CH2OO), have been measured up to 1 THz. The data provide the most accurate spectroscopic parameters for the ground ...

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Microsoft PowerPoint 2007 (2MB)