# Browse Abstracts & Presentations - 2014 International Symposium on Molecular Spectroscopy by Subject "Chirped pulse"

• (International Symposium on Molecular Spectroscopy, 2014-06-20)
The rotational spectrum of 1-hexanal is used as a test case for developing automated assignment algorithms in molecular rotational spectroscopy, for the purpose of lowering the barrier to new users of rotational spectroscopy. ...

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Microsoft PowerPoint 2007 (5MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
The strucure of cyclopropane cyanosilane has been studied using chirped-pulse Fourier transform microwave (CP-FTMW) spectroscopy in the 6.5-18 GHz band. Two conformers of similar intensity were detected, one with a gauche ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-19)
We have built a new molecular beam source that implements 20 K Neon buffer gas cooling for the study of the spectra of small molecules. In particular, laser ablation of BaF$_{2}$ pellets has been optimized to produce a ...

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Microsoft PowerPoint 2007 (6MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-19)
The pure rotational spectra of 2-chloro-3-fluoropyridine and 2-chloro-6-fluoropyridine were measured on a chirped-pulsed Fourier transform microwave (CP-FTMW) spectrometer in the 8 – 18.5 GHz frequency range. The spectra ...

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Microsoft PowerPoint 2007 (8MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-19)
A chirped-pulse Fourier transform spectrometer operating from 110 - 170 GHz was constructed. The design of this spectrometer is directly adapted from that of the 260 - 295 GHz chirped-pulse spectrometer built by Steber ...

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Microsoft PowerPoint 2007 (9MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
The rotational spectrum of the CH$\cdots\pi$ bonded complex between benzene and acetylene has been measured in the $6-20$ GHz range using chirped-pulse Fourier-transform microwave spectroscopy. The spectra for the normal ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-19)
The rotational spectrum of 3-methoxypropylamine was collected from 8.0 to 18.5 GHz with the Coker College chirped-pulse FTMW molecular beam spectrometer. Ab initio predictions using the B3LYP-D3 dispersion-corrected ...

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Microsoft PowerPoint 2007 (1MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
\begin{wrapfigure}{r}{0pt} \includegraphics[trim = 55mm 134mm 70mm 117mm, clip, width=6.15cm]{Ibuprofen.eps} \end{wrapfigure} The broadband rotational spectrum of ibuprofen ((RS)-2-(4-isobutylphenyl)-propanoic acid), ...

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Microsoft PowerPoint 2007 (19MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
The water hexamer is the first cluster size where three dimensional structures become the most stable. For cluster sizes up to the water decamer, the hexamer is unique because there are three low-lying isomers with distinct ...

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Microsoft PowerPoint 2007 (2MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-19)
Rydberg-Rydberg transitions of Ca atoms are $\textit{directly}$ observed by chirped-pulse millimeter-wave spectroscopy, which is a form of broadband, high-resolution, free induction decay-detected (FID) spectroscopy with ...

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Microsoft PowerPoint 2007 (2MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
In nature and as products of chemical syntheses, chiral molecules often exist in mixtures with other chiral molecules. The analysis of these complex mixtures to identify the components, determine which enantiomers are ...

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Microsoft PowerPoint 2007 (9MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
Last year, at the 68th International Symposium of Molecular Spectroscopy, the rotational spectrum of a complex formed between C$_{2}$H$_{2}$ and AgCCH was presented. The geometry was found to be T-shaped with the silver ...

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Microsoft PowerPoint 2007 (2MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-19)
We present the design and construction of a simple and low-cost waveguide chirped pulse Fourier transform microwave (CP-FTMW) spectrometer suitable for gas-phase rotational spectroscopy experiments in undergraduate physical ...

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Microsoft PowerPoint 2007 (15MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
A chirped-pulse Fourier transform microwave spectrometer has been used to measure the microwave spectra of both $\mathrm{C_{2}H_{2}\cdots AuI}$ and $\mathrm{C_{2}H_{4}\cdots AuI}$. These complexes are generated via laser ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
A chirped-pulse Fourier transform microwave spectrometer has been used to measure the microwave spectrum of $\mathrm{CF_{3}I \cdots PH_{3}}$ between 6.5 and 18.5 GHz. The complex was stabilised by supersonic expansion of ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
The pure rotational spectra of the reaction mixture of perfluoropropionic acid, CF$_{3}$CF$_{2}$COOH, and allyl phenyl ether, C$_{6}$H$_{5}$OCH$_{2}$CH=CH$_{2}$, have been studied by a pulsed nozzle, chirped-pulse Fourier ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
The weakly bound complexes between 1-fluoroethylene (FE), 1,1-difluoroethylene (DFE), and 1,1,2-trifluoroethylene (TFE) and carbon dioxide have been investigated using reduced bandwidth chirped-pulse (CP) and resonant-cavity ...

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Microsoft PowerPoint 2007 (6MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-19)
The pure rotational spectrum of the open-shelled diatomic PbI is presented. The deep averaged broadband spectrum has allowed for characterization of several rotational spectra belonging to various lead isotopologues, as ...

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Microsoft PowerPoint 2007 (2MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-20)
The rotational spectra of several different amino alcohols including D/L-allo-threoninol, 2-amino-1,3-propanediol and 1,3-diamino-2-propanol over the 6.5-18.5 GHz range have been investigated under jet-cooled conditions ...

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Microsoft PowerPoint 2007 (6MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-19)
Microwave spectra for a family of three halogenated cyclic alkenes, C$_n$F$_{2n-4}$Cl$_2$; n = 4, 5, and 6, have been observed and analyzed. Rotational constants, quartic centrifugal distortion constants, and nuclear ...

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Microsoft PowerPoint 2007 (14MB)