# Browse Abstracts & Presentations - 2020 International Symposium on Molecular Spectroscopy by Issue Date

• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
An exceptional and remarkable chemical event, barrierless proton transfer (PT) at the interface of weak C-H...O hydrogen bond, has been found to be occurring within the dimer cation of an atmospherically significant ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
Small reactive organic molecules are key intermediates in interstellar chemistry, leading to the formation of biologically-relevant species as stars and planets form. These molecules are identified in space via their ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
The chemical and structural diversity and the extent of post-transcriptional modification of RNA are remarkable! Currently there are more than 163 naturally-occurring modified nucleosides known. Modified nucleosides have ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
Infrared spectra of the CO$_2$-CO dimer are observed in the carbon dioxide $\nu_3$ asymmetric stretch region ($\sim$2350 cm$^{-1}$) using a tunable infrared optical parametric oscillator to probe a pulsed slit jet supersonic ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
We have carried out infrared-infrared double-resonance spectroscopy of the 2\nub{3} A$_{1}$ - \nub{3} band of methane. The \nub{3} band transitions are pumped using a 90.5-THz difference-frequency-generation (DFG) source ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
Absorption spectroscopy typically recovers the average thermodynamic properties along a laser path. However, broadband laser sources, including the dual frequency comb spectrometer, measure many absorption features which ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
Infrared predissociation (IRPD) spectroscopy is used to reveal and compare the microsolvation motifs of Gly\ce{H^+(H2O)_n} and $\beta$-\ce{AlaH^+(H2O)_n}. The chemical structure of these amino acids differ only in the ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
This presentation describes the application of a miniature millimeter-wave rotational spectrometer to the detection of laser-ablation products. The laboratory experiments we present are forerunners to possible future ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
HOSOH belongs to the interesting group of molecules which is specified by the HXYXH formula, where Y and X are allowed to be identical. Recently we analyzed symmetry properties and the torsional spectra of the HOCH$_2$OH ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
It was recently shown that coupling of ultralight scalar dark matter to the standard model leads to oscillations of fundamental constants and, therefore, may be observed in clock-comparison experiments. Highly charged ions ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
\par Water clusters provide an opportunity to explore the effects of hydrogen bonding on short and long-range structures. Clusters also provide the opportunity to make detailed comparisons between experiment and calculation ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
O($^{1}$D) is well known to undergo exothermic insertion reactions into X-H bonds ,where X is C, N, or H. O($^{1}$D) insertion reactions can therefore be used as a tool for the formation of unstable species for collection ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
The dispersed fluorescence spectrum from the $S_1$ origin of PhCCCN is reported. This molecule, which consists of a cyanoacetylene chain fused to an aromatic phenyl ring, is a potential candidate for astronomical detection. ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
We examine the interplay of docking preference on 1-naphthol in van der Waals complexes with simple molecules. The advantage of 1-naphthol is that it allows for two main docking sites, the first on the conjugated $\pi$-system ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
Boric acid B(OH)$_3$, as a boron containing molecule, is of interest due to being essential micronutrient for a plant growth. In addition, it is a molecule containing three equivalent internal tops which are hydroxyl ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
I present new methodology for the spectroscopic study at very low temperatures of non-rigid organic moleculesdetected in star formation regions of the interstellar medium. As examples of these studies, recent relevant ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
To understand the chemical processes taking place in the interstellar medium, it is necessary to recreate these interactions in the laboratory at similar conditions to their environment in space, which can be as cold as ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
\par Diffusion Monte Carlo (DMC) is a technique that can be used to obtain the ground state energy and ground state wave function given a potential energy surface (PES) that fully describes the system of interest. However, ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
A new experimental approach to studying interstellar and cometary ice analogs has been designed that uses millimeter/submillimeter (mm/submm) spectroscopy coupled with mass spectrometry to identify desorbed gas-phase ...

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• (International Symposium on Molecular Spectroscopy, 22-Jun-20)
The weak infrared spectrum of CO$_2$-Ar corresponding to the ($v_1$, $v_2^{l_2}$, $v_3$) = (01$^1$1) $\leftarrow$ (01$^1$0) hot band of CO$_2$ is detected in the region of the carbon dioxide $\nu_3$ fundamental vibration ...

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