# Browse Abstracts & Presentations - 2019 International Symposium on Molecular Spectroscopy by Issue

• (International Symposium on Molecular Spectroscopy, 2019-06-18)
Only two dinitriles, the protonated cyanogen NCCNH$^{+}$ and one isocyanonitrile, NCNC have been detected in the interstellar medium (ISM) among about 200 other compounds, despite nitriles constitute almost 20\% of the ...

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Microsoft PowerPoint 2007 (17MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-19)
Several studies have demonstrated that the cosmic ray ionization rate is highly variable in the interstellar medium. However, constraints of this rate for several regions including those that contain hot cores are lacking. ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-18)
Growing experimental evidence suggests that zwitterionic structures are more prevalent in isolated gas phase environments than previously thought. These strong electrostatic interactions can govern the conformational ...

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Microsoft PowerPoint 2007 (13MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-18)
Recently, an infrared study on the complex of dimethylfuran and methanol showed only a slight preference for methanol to bind via an OH$\cdots$O hydrogen bond versus the OH$\cdots \pi$ bond.\footnote{A. Poblotzki et al, ...

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Microsoft PowerPoint 2007 (8MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-19)
The method of microwave three-wave mixing can be used to perform chiral analysis by molecular rotational spectroscopy.[1-3] We have developed pulse sequences that can be used to determine the enantiomeric excess (EE) of ...

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Microsoft PowerPoint 2007 (10MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-18)
The rotational spectra of two conformers, GAA and AAA, of 1-iodopentane have been recorded using both Fourier transform microwave cavity and chirp spectrometers. Iodine has a large nuclear electric quadrupole coupling ...

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Microsoft PowerPoint 2007 (2MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-18)
Since the pioneering work of Miescher in the 1960s, the Rydberg states of nitric oxide have held the attention of spectroscopists due to the prototypical energy level structure and rich non-radiative dynamics, which have, ...

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Microsoft PowerPoint 2007 (2MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-17)
Jahn Teller active molecules are a convenient tool for understanding various nonadiabatic effects due to a conical intersection in the potential energy surface (PES), whether its position is determined by symmetry or ...

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Microsoft PowerPoint 2007 (12MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-21)
\begin{wrapfigure}{r}{0pt} \includegraphics[scale=0.2]{Fig_nu3.eps} \end{wrapfigure} Volcanoes reject large amounts of sulfur-containing gases in the atmosphere; these represent 10 to 15~\% of the anthropogenic sulfur ...

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Microsoft PowerPoint 2007 (13MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-17)
Ethanol dehydrogenation dimerization to form ethyl acetate (EA) and hydrogen is, in principle, the best atomically economic reaction and is also considered to be an environmentallly friendly process in EA synthesis. Even ...

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Microsoft PowerPoint 2007 (5MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-20)
\begin{wrapfigure}{l}{0pt} \includegraphics[scale=0.3]{IcosaRES.eps} \end{wrapfigure} In Springer's \textit{Handbook for Atomic, Molecular, and Optical Physics}, William Harter gives a semiclassical theory of Hamiltonian ...

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PDF (2MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-17)
We observed the rotationally resolved fluorescence excitation spectrum of the S$_1$ $\leftarrow$ S$_0$ transition of jet-cooled 9-methylanthracene. The potential energy curve for CH$_3$ internal rotation is six-fold ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-20)
In this work we perform ultrafast transient M$_{2,3}$-edge XANES on divalent cobalt-manganese(N,N,N-tri(2-(2-pyridylamino)ethyl)amine)Cl, a heterobimetallic system with directly-interacting dual metal centers held within ...

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Microsoft PowerPoint 2007 (22MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-21)
The reaction of hydrogen atoms (H) with pyrrole (\chem{C_4H_5N}) in solid $para$-hydrogen ($p$-\chem{H_2}) matrices at 3.2 K has been studied using infrared spectroscopy. The production of H atoms for reaction with ...

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Microsoft PowerPoint 2007 (31MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-18)
The $\tilde{X}$ $^2A_2'$ state of NO$_3$ under jet cooled conditions is investigated via laser induced fluorescence (~LIF~) and two-color resonant four-wave mixing (~2C-R4WM~) techniques. The electronic structure of NO$_3$ ...

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PDF (875kB)
• (International Symposium on Molecular Spectroscopy, 2019-06-19)
Bucky bowl is the molecule of nonplanar polycyclic aromatic hydrocarbons. We analyzed the vibronic sructure in the S$_1$ $\leftarrow$ S$_0$ fluorescence excitation spectra of jet-cooled sumanene and corannulene. The ...

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Microsoft PowerPoint 2007 (9MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-19)
Ultrafast extreme ultraviolet (XUV) absorption spectroscopy can be used to probe the dynamics of excited states in first-row transition metals complexes with sensitivity to the oxidation state, spin state, and ligand field ...

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Microsoft PowerPoint 2007 (21MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-18)
The structure of the microsolvated complexes of phenanthridine (PAN) with up to three water molecules has been investigated previously using chirped pulse Fourier transform microwave (CP-FTMW) spectroscopy from 2-8 GHz. ...

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Microsoft PowerPoint 2007 (2MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-17)
Cavity ring-down spectroscopy (CRDS) is a widely used tool for trace gas sensing and molecular lineshape studies which involves the use of high-finesse optical cavities to provide long effective pathlengths and high spectral ...

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Microsoft PowerPoint 2007 (8MB)
• (International Symposium on Molecular Spectroscopy, 2019-06-19)
The photo-dissociation of methanol (\chem{CH_3OH}) in the interstellar medium is still not a particularly well-understood phenomenon. Since many of the radicals that are formed from this process go on to form the ...

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Microsoft PowerPoint 2007 (6MB)