Browsing Abstracts of OSU International Symposium on Molecular Spectroscopy 1990-1999 by Title
Now showing results 1748-1767 of 3912
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J-AND K-CHANGING ROTATIONAL COLLISIONAL PROCESSES IN $CH_{3}Cl$
Pape, T. W.; De Lucia, Frank C.; Skatrud, David D. ( 1993 )We have used time-resolved infrared/mm-wave double resonance techniques to study rotational and vibrational collisional processes in methyl chloride. As was the case with $CH_{3}F_{1}$, the dipole-dipole process in $CH_{3}Cl$ ... -
J-DEPENDENT LIFETIMES OF NO($B^{2}\Pi$)v=$7^{*}$
Gadd, G. E.; Huestis, D. L.; Slanger, T. G. ( 1991 )Homogeneous interaction between the Rydberg $C^{2}\Pi$ and valence $B^{2}\Pi$ states of NO leads to both interesting spectroscopy and difficult interpretation of radiative properties, made more complicated by predissociation. ... -
JAHN-TELLER AND PSEUDO JAHN-TELLER INTERACTIONS IN THE B STATE MANIFOLD OF THE SODIUM TRIMER
Golonzka, Oleg; Ernst, Wolfgang E. ( 1998 )The B state of $Na_{3}$ is the result of the vibronic coupling of a $^{2}E'$ and a $^{2}A'_{1}$ state. The three states mix by pseudo Jahn-Teller (PJT) and Jahn-Teller (JT) interactions giving rise to three potential ... -
JAHN-TELLER AND SPIN-ORBIT COUPLING IN THE $^{2}E$ GROUND STATE OF $CF_{3}O$ AND $CF_{3}S$
Barckholtz, Timothy A.; Miller, Terry A. ( 1996 )The electronic spectra of the $\tilde{A}^{A}\leftrightarrow \tilde{X}^{E}$ transition of the $CF_{3}O$ and $CF_{3}S$ radicals are complex because of Jahn-Teller activity in the $^{2}E$ ground states. Proper analyses of the ... -
JAHN-TELLER EFFECT IN $VCl_{4}$
Zhao, Ke; Pitzer, Russell M. ( 1995 )The Jahn-Teller effect on the $^{2}E$ ground state of $VCl_{4}$ has been investigated using ab initio restricted Hartree-Fock, Cl calculations, and spin-orbit Cl calculations with relativistic core potentials and gaussian ... -
JAHN-TELLER EFFECT IN $VCl_{4}$
Zhao, Ke; Pitzer, Russell M. ( 1996 )The Jahn-Teller effect on the $^{2}E$ ground state of $VCl_{4}$ has been investigated using ab initio restricted Hartree-Fock, CI calculations, and spin-orbit CI calculations with relativistic core potentials and gaussian ... -
JAPAN INFRARED SPECTROSCOPIC STUDY OF CARBON CLUSTERS TRAPPED IN SOLID PARAHYDROGEN
Momose, Takamasa; Miki, Masaaki; Wakabayashi, Tomonari; Shida, Tadamasa ( 1996 )Recently solid parahydrogen is shown to be a promising medium for matrix-isolation $spectroscopy.^{a}$ Availing of several salient features of the new matrix, we are studying molecules of chemical interest such as free ... -
JET COOLED EMISSION SPECTRA OF THE XYLENES
Selco, J. I.; Carrick, P. G. ( 1995 )Jet cooled emission spectra from ortho-, meta-, and para-xylene have been recorded using a corona excited supersonic expansion apparatus. A full vibronic analysis of the $S_{1} \rightarrow S_{0}$ transition for all three ... -
JET COOLED EMISSION SPECTRA OF THE XYLENES AND XYLYL RADICALS
Selco, J. I. ( 1990 )Rotationally cooled gas-phase electronic emission spectra of the xylene and xylyl radicals were produced with a corona excited supersonic expansion. For each molecule, the emission is almost exclusively from the lowest ... -
JET COOLED EMISSION SPECTRA OF THE XYLYL RADICALS
Selco, J. I.; Carrick, P. G. ( 1995 )Jet cooled electronic emission spectra from ortho, meta, and para-xylyl (methylbenzyl) radicals have been recorded using a corona excited supersonic expansion (CESE) apparatus. A full vibronic analysis of the $D_{1} ... -
A JET FTIR SPECTROMETER FOR THE DETECTION OF WEAK ABSORPTION BANDS
Hepp, M.; Georges, R.; Herman, M. ( 1997 )We used the combination of a Fourier transform interferometer with a large slit-$jet^{h}$ to record weak absorption bands such as overtone and combination bands of medium sized molecules Under typical conditions, the jet ... -
THE JET PROPULSION LABORATORY SUBMILLIMETER, MILLIMETER AND MICROWAVE SPECTRAL LINE CATALOG
Pickett, H. M.; Poynter, R. L.; Cohen, E. A.; Delitsky, M. L.; Pearson, J. C.; Müller, Holger S. P. ( 1996 )The Jet Propulsion Laboratiory Submillimeter, Millimeter and Microwave Spectral Line Catalog is an on-line computer accessible data base of atmospheric and astrophysical molecules with transitions in the 0 to 10,000 GHz ... -
JET SPECTROSCOPY OF THE $2v_{8}$ BAND OF HYDROGEN FLUORIDE TRIMER IN THE $750 CM^{-1}$ REGION
Blake, Thomas A.; Sharpe, Steven W. ( 1998 )Theory predicts a planar ring, oblate symmetric top structure $(C_{3h})$ for hydrogen fluoride trimer. This ground state structure has been confirmed experimentally for deuterium fluoride trimer by Suhm, $et al.^{a}$ and ... -
JET SPECTROSCOPY OF THE $\nu_{4}$ BAND OF HYDROGEN FLUORIDE TETRAMER IN THE $714 cm^{-1}$ REGION
Blake, Thomas A.; Sharpe, Steven W. ( 1999 )Using our slit-jet, infrared diode laser spectrometer, we have observed a rotationally resolved parallel band centered at $714 cm^{-1}$ in a pulsed molecular beam formed by expanding a mixture of 4\% HF in helium through ... -
Jet Spectroscopy of the $D_{1} 2^{2}B_{1} - D_{a} 1^{2}B_{1}$ Electronic Transition of the p-Cyanobenzyl Radical
Fukushima, Masaru; Obi, Kinichi ( 1996 )We have generated the $p$-cyanobenzyl radical in supersonic free expansion, and measured the laser induced fluorescence (LIF) spectra in gree-blue region; the vibrationally and rotationally resolved LIF excitation spectra ... -
JET-COOLED DIODE LASER SPECTRUM OF THE $\nu_{3}$ BAND OF $N_{2}O_{3}$ AT $1304 CM^{-1}$
Andrews, Anne M.; Domenech, J. L.; Fraser, G. T.; Lafferty, W. J. ( 1993 )The jet-cooled spectrum of the $\nu_{3}$ (symmetric $NO_{2}$ stretch) band of $N_{2}O_{3} (NO_{2}$-NO mixed dimer) at $1304 cm^{-1}$ has been observed using an tunable infrared diode laser spectrometer. The spectrum was ... -
JET-COOLED ELECTRONIC SPECTROSCOPY OF SEVERAL MONOLIGATED TRANSITION METALS: CrCCH, $NiCH_{3}$, $CrCCH_{3}$, AND $NiC_{2}H_{4}$
Brugh, Dale J.; Morse, Michael D. ( 1997 )In attempts to find electronic Transitions in the diatomic metal carbides NiC, CrC, and HfC via R2PI spectroscopy by vaporizing the pure metal in a supersonic expansion of He seeded with 3% methane we have discovered optical ... -
THE JET-COOLED FLUORESCENCE EXCITATION SPECTRUM AND RING-BENDING POTENTIAL ENERGY FUNCTION AND CONFORMATION OF 2-CYCLOPENTEN-1-ONE IN THE $S_{1}(\Pi\pi^\bullet)$ ELECTRONIC EXCITED STATE
Cheatham, C. M.; Laane, J. ( 1991 )The jet-cooled fluorescence excitation spectra of 2-cyclopenten-1-one and its $5,5-d_{2}$ isotopomer have been recorded in the 370 to 340 nm region. The electronic origin for the undeuterated species occurs at 27210 $cm^{-1}$ ... -
JET-COOLED HIGH RESOLUTION INFRARED SPECTRUM OF THE $\nu_{6}$ AND $2\nu_{2}$ BANDS OF $CH_{2}F_{2}$
Cronin, Thomas J.; Wang, X.; Bethardy, G. A.; Perry, David S. ( 1997 )A jet-cooled high resolution infrared spectrum was recorded in a slit-jet apparatus in the asymmetric C-H stretching region of $CH_{2}F_{2}$ between 3002 and $3036 cm^{-1}$. Approximately 630 transitions were detected of ... -
JET-COOLED INFRARED SPECTRA AND INVESTIGATION OF THE TORSION-ROTATION ENERGY LEVELS OF METHANOL IN THE C-H STRETCH REGION
Xu, Li-Hong; Perry, David S.; Fraser, G. T.; Pine, A. S. ( 1996 )Jet-cooled absorption spectra of the C-H stretching bands of methanol have been recorded between 2965 and $3027 cm^{-1}$ on two different molecular beam machines. In both cases, a color-center laser pumped by $\sim$1.6 W ...