# Browse Abstracts & Presentations - 2014 International Symposium on Molecular Spectroscopy by Subject "Mini-symposium: Beyond the Mass-to-Charge Ratio: Spectroscopic Probes of the Structures of Ions"

• (International Symposium on Molecular Spectroscopy, 2014-06-18)
Protonated polycyclic hydrocarbons have been added to the list of suggested carriers of the diffuse interstellar absorptions. To test this proposition requires laboratory spectra measured under interstellar conditions, in ...

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• (International Symposium on Molecular Spectroscopy, 2014-06-19)
Over the past decade, an intensive integrated effort involving theory and experiment have revealed the structures at play in the first hydration shell of simple ions. The water molecules generally adopt configurations in ...

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Microsoft PowerPoint 2007 (8MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-18)
Using matrix isolation FTIR, we have observed the formation of anionic copper carbonyl complexes [Cu(CO)$_{n}$]$^{-}$ (n=1-3) following co-deposition of Cu$^{-}$ and counter-cations (Ar$^{+}$ or Kr$^{+}$) into argon matrices ...

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Microsoft PowerPoint 2007 (7MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-18)
Neutral and anionic clusters containing carbon monoxide and carbon dioxide molecules were observed in FTIR matrix isolation spectroscopy experiments following co-deposition of Cu$^{-}$ and Ar$^{+}$ in argon matrices doped ...

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Microsoft PowerPoint 2007 (659kB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
The wavelength dependence for the photoisomerization of the isolated retinal protonated n-butylamine Schiff base (RPSB) is explored in the gas phase using a new technique that combines laser spectroscopy and ion mobility ...

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Microsoft PowerPoint 2007 (16MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
The conformational preferences of peptide backbones and the resulting hydrogen bonding patterns provide critical biochemical information regarding the structure-function relationship of peptides and proteins. The spectroscopic ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-19)
There are two types of bands in the OH stretch region of the vibrational spectra of hydrogen-bonded complexes; narrow peaks due to isolated OH stretches and a broadened feature reflecting the OH stretches involved in strong ...

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Microsoft PowerPoint 2007 (4MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-18)
Using matrix isolation FTIR, we have observed the formation of anionic copper carbonyl complexes [Cu(CO)$_{n}$]$^{-}$ (n=1-3) following co-deposition of Cu$^{-}$ and counter-cations (Ar$^{+}$ or Kr$^{+}$) into argon matrices ...

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Microsoft PowerPoint 2007 (678kB)
• (International Symposium on Molecular Spectroscopy, 2014-06-19)
Strongly bound clusters are often used as convenient models for bulk material. Silicon clusters are particularly interesting due to their importance in the electronics industry. We perform experimental IR multiple photon ...

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Microsoft PowerPoint 2007 (16MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
The metastable $^3\Delta_1$ state in trapped HfF$^+$ is being used for an ongoing measurement of the electron electric dipole moment (eEDM)\footnote{H. Loh, K. C. Cossel, M. C. Grau, K.-K. Ni, E. R. Meyer, J. L. Bohn, J. ...

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Microsoft PowerPoint 2007 (2MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-18)
I will describe progress in the first-principles calculations of line-list" ro-vibrational spectra of H$_{5}^{+}$, D$_{5}^{+}$ and HOCO and low-resolution spectrum of H$_{7}^{+}$, along with insights into the internal ...

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• (International Symposium on Molecular Spectroscopy, 2014-06-17)
The abundance of copper and copper compounds within the crust of the Earth and the well characterized coordination chemistry of copper species has led to investigation of copper as a catalyst for several different chemical ...

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Microsoft PowerPoint 2007 (4MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Glucose-6-Phosphate (G6P) is one member of a class of simple phosphorylated sugars that are relevant in biological processes. We have acquired a gas phase infrared spectrum of G6P$^{-}$ using cryogenic ion vibrational ...

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Microsoft PowerPoint 2007 (4MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-18)
Frequencies of high-$J$ rotational lines of HCO$^+$ and DCO$^+$ have been measured precisely by using an Evenson-type tunable far-infrared spectrometer in Toyama. The spectrometer (sometimes called TuFIR in short) is ...

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Microsoft PowerPoint 2007 (1MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-19)
We present infrared photodissociation spectra of Co(CO$_2$)$_n^-$ ions ($n$ = 3 – 11) in the wavenumber region 1000 – 2400 cm$^{-1}$, interpreted with the aid of density functional theory calculations. The spectra show ...

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Microsoft PowerPoint 2007 (9MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-18)
Protonated polycyclic aromatic hydrocarbons (H$^{+}$PAH) have been reported to have infrared (IR) bands at wavenumbers near those of unidentified infrared (UIR) emission bands from interstellar objects. However, recording ...

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Microsoft PowerPoint 2007 (26MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
We present the infrared spectra of deprotonated glycine chains, (\chem{Gly_n-H})$^{-}$, where n=1-4, obtained by cryogenic ion vibrational spectroscopy. Comparisons between the experimental and calculated spectra reveal ...

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Microsoft PowerPoint 2007 (17MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-19)
The Air Force has a pressing need to find new means of spacecraft propulsion, enabling cheaper, safer, more efficient maneuvering on orbit. Ionic liquids are a potential replacement for hydrazine in hypergolic combustion ...

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Microsoft PowerPoint 2007 (8MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-19)
Iron is an important element in the formation of solids in space. Spectroscopic observations of interstellar iron shows that its atomic gas-phase abundance is strongly depleted with respect to that of hydrogen. In contrast, ...

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Microsoft PowerPoint 2007 (14MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-19)
Understanding how protons are hydrated remains an important and challenging research area. The anomalously high proton mobility of water, for example, can be explained by a periodic isomerization between the Eigen and ...

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