Browsing Abstracts of OSU International Symposium on Molecular Spectroscopy 1990-1999 by Title
Now showing results 4-23 of 3912
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THE $(1)^{1}\Pi_{g}$ STATE OF ${^{39}}K_{2}$ REVISITED
Russier, I.; Aubert-Frécon, M.; Ross, A. J.; Martin, F.; Yiannopoulou, A.; Crozet, P. ( 1998 )Vibrational levels up to $v=107$ of the $(1)^{1}\Pi_{g}$ state of ${^{39}}K_{2}$, which dissociates to $K(4s)^{2}S +K(4p)^{2}P_{3/2}$, have been observed in high resolution Fourier transform records of $C^{1}\Pi_{u}\rightarrow ... -
1+1 PFI-ZEKE PHOTOELECTRON SPECTROSCOPY OF $C_{2}H_{2}$-THE RENNER-TELLER EFFECT OF $C_{2}H^{+}_{2}$
Tang, Shuenn-Jiun; Lin, Jim Jr-Min; Hsu, Yen-Chu ( 1999 )This paper presents the 1+1 pulsed-field induced zero-kinetic energy (PFI-ZEKE) photoelectron spectrum of $C_{2}H_{2}$ recorded in the range of $91900-95600 cm^{-1}$ via a single rovibrational level of $\bar{A}^{1}A_{u}$ ... -
THE (1+1) REMPI SPECTROSCOPY OF Rg$\cdot$NO (Rg=Ar, Kr) THE $\tilde{A}^{2}\Sigma^{+}$ ELECTRONIC STATE.
Bush, A. M.; Dyke, J. M.; Mack, P.; Smith, D. M.; Wright, Timothy G. ( 1996 )The one-colour REMPI spectrum of Ar$\cdot$NO and Kr$\cdot$NO have been recorded where the resonances are occurring in the $\tilde{A}^{2}\Sigma^{+}$ (3s) Rydberg state, which is localised on the NO moiety. Structure is seen ... -
$1+1^{\prime}$ TWO-COLOR PHOTOIONIZATION SPECTROSCOPY OF ACETYLENE
Tang, Shuenn-Jiun; Lin, Jim Jr-Min; Ni, Kenny; Hsu, Yen-Chu ( 1998 )$1+1^{\prime}$ two-color photoionization spectrum of $C_{2}H_{2}$ via a single rovibrational level of $\tilde{A}^{1} A_{u}$ as the intermediate was recorded under nearly field-free condition in the range of $91900-92700 ... -
10 $\mu m$ INFRARED SPECTRUM OF TETRAHYDROFURAN: QUENCHING OF CORIOLIS INTERACTIONS IN THE VIBRATIONALLY EXCITED STATE
Andrews, Anne M.; Pate, Brooks H.; Miller, C. Cameron; Ainetschian, A.; Fraser, G. T. ( 1994 )The 2 MHz resolution infrared spectrum of the asymmetric C-O stretching band of tetrahydrofuran (THF) at $1087 cm^{-1}$ has been observed using a microwave-sideband $CO_{2}$-laser electric-resonance optothermal spectrometer. ... -
THE 10$\mu m$ BANDS OF THE $^{17}O_{3}$ ISOTOPIC SPECIES OF OZONE:
Consalvo, Daniela; Perrin, A.; Flaud, J.- M.; Camy-Peyret, C.; Valentin, A. ( 1994 )Using Fourier transform spectra recorded at LPMA ($\mathcal{R} \sim 0.002 cm^{-1}, P=0.3, 0.5$ and 0.9 torr, L-1.15m) of $\sim 64% ^{17}O$-enriched ozone, it has been possible to assign the ($\nu_{1} \nu_{3}$) bands of ... -
THE 10$\mu$m SPECTRUM OF ACETALDEHYDE
Fraser, G. T.; Pate, Brooks H.; Tretyakov, M. Yu. ( 1992 )The 10$\mu$m in-plane methyl rock normal mode of acetaldehyde has been measured using a $CO_{2}$ (or $N_{2}O$) laser side band system and the EROS spectrometer. Using both $CO_{2}$ and $N_{2}O$ laser lines we have approximately ... -
THE $11 \mu m$ AND $7.6 \mu m$ BANDS OF $HN0_{3}$: LINE POSITIONS AND INTENSITIES
Perrin, A.; Flaud, J.- M.; Camy-Peyret, C.; Dana, V.; Mandin, J.- Y.; Badaoui, M.; Valentin, A.; Jaouen, V.; Farrenq, R.; Guelachvili, G.; Kou, Q.; Le Roy, F.; Morillon-Chapey, M.; Orphal, J. ( 1993 )A number of important bands of nitric acid have recently been analysed yielding significant progress for isolated bands with regards to the line positions and intensities. The situation was less satisfactory for the ... -
$^{120}SnD_{4}$: A SYMMETRIC TOP?
Halonen, M.; Halonen, L.; Bürger, H.; Jerzembeck, W. ( 1997 )In normal stannane, $^{116}SnH_{4}$, it has been found that the dynamical symmetry of the molecule changes from that of a spherical top to a prolate symmetric top when vibrational localisation takes place in stretching ... -
$^{14}N$ HYPERFINE SPLITTINGS IN THE MICROWAVE SPECTRUM OF FOUR ISOTOPOMERS OF $N_{2}O-HCl$
Leung, Helen O. ( 1999 )In the previously reported microwave spectrum of $N_{2}O-HCl^{a}$, the hyperfine splittings due to the quadrupolar $^{14}N$ nucleus were not resolved. The spectra of all three of the HCl-containing isotopomers from the ... -
$^{19}F$ Spin-rotation Constants and Chemical Shifts of Unstable Molecules from their Microwave Spectra
Gatehouse, Bethany; Muller, Holger S. P.; Gerry, Michael C. L. ( 1996 )The inherently high resolution of the pulsed molecular bearn-microwave Fourier transform (MWFT) technique allows spin-rotation coupling constants to be routinely determined from small hyperfine splittings in rotational ... -
THE 2$V_{3}$ AND 3$V_{3}$ BANDS OF $^{32}SO_{2}$: LINE POSITIONS AND INTENSITIES
Lafferty, W. J.; Fraser, G. T.; Pine, A. S.; Flaud, J.- M.; Camy-Peyret, C.; Dana, V.; Mandin, J.- Y.; Barbe, A.; Plateaux, J. J.; Bouzza, S. ( 1992 )The weak overtone bands, 2$v_{3}$ and 3$v_{3}$, of $^{32}SO_{2}$ have been studied under high resolution and completely assigned. Both bands have been fit using a Watson Hamiltonian. The $3v_{3}$ band, important for the ... -
2+1 REMPI OF CO AND $N_{2}$ OBSERVED OPTOGALVANICALLY IN GLOW DISCHARGES
MacGregor, J. L.; Antonova, Stiliana; Tsakotellis, Antonis P.; Lin, Ao; McBane, George C. ( 1998 )2+1 resonance enhanced multiphoton ionization spectra of CO (through the $B^{1}\Sigma^{+}$ intermediate state) and $N_{2}$ (through the $a^{\prime \prime} \Sigma^{+}_{g}$ state) have been observed optogalvanically. UV light ... -
2-D IMAGES OF DENSITY DISTRIBUTIONS OF $O_{2}$ IN SPECIFIC v,J QUANTUM STATES OBTAINED VIA PREDISSOCIATIVE LASER INDUCED FLUORESCENCE
Kim, Gyung-Soo; Hitchcock, Lynne M.; Rothe, Erhard W.; Reck, Gene P. ( 1990 )We report data from a new method, originally described by P. $Andresen^{1}$ et al., that produces instantaneous 2-D images of state-specific molecular concentrations, and is ideal for observation of gaseous, turbulent ... -
2-D Rg-ACETYLENE INTERMOLECULAR POTENTIAL SURFACES FROM HIGH RESOLUTION NEAR INFRARED SPECTROSCOPY
Bemish, R. J.; Block, P. A.; Miller, R. E. ( 1992 )High resolution near infrared spectra have been obtained for both the Ar- and Ne-acetylene complexes. For Ar-acetylene, we have observed combination bands associated with the intermolecular bending mode, which are directly ... -
THE 2.5 $\mu m$ BANDS OF OZONE: LINE POSITIONS AND INTENSITIES
Perrin, A.; Vasserot, A. M.; Flaud, J.- M.; Camy-Peyret, C.; Devi, V. Malathy; Smith, M. A. H.; Rinsland, C. P.; Barbe, A.; Bouazza, S.; Plateaux, J. J. ( 1991 )A study of high-resolution ($0.010 cm^{-1}$) Fourier transform absorption spectra of $^{16}O_{3}$ in the region around 4020 $cm^{-1}$ has been performed. This study has resulted in the first extensive analysis of the ... -
THE $^{2}\Pi$ ELECTRONIC EXCITED STATES OF MgNC AND MgCN, AND THEIR SPECTROSCOPIC CONSTANTS
Odaka, Tina Erica; Hirano, Tsuneo; Nagashima, Umpei ( 1999 )MgNC is the first Mg-bearing molecule in space identified by us through the cooperative studies between ab initio molecular orbital calculations and the laboratory microwave study. We have extended the ab initio molecular ... -
$^{2}H$ NUCLEAR QUADRUPOLE COUPLING OF ORGANIC ACIDS: A COMPARATIVE STUDY
Grabow, Jens-Uwe; Hentrop, Eike; Sutter, D. ( 1998 )We present an investigation of the deuterium nuclear quadrupole coupling in a series of carbonic acids R-COOH: Among those, the acids with the groups $R = CH_{3}$ and $R = CF_{3}$ are two extreme cases for substituent ... -
$^{33} S$ NUCLEAR QUADRUPOLE COUPLING IN THIIRANE, METHYLTHIRANE, 2,2-DIMETHYLTHIIRANE, AND ANTI-2,3-DIMETHYLTHIIRANE: HYPERFINE STRUCTURE IN THE ROTATIONAL SPECTRA AND AB-INITIO CALCULATIONS
Grabow, Jens-Uwe; Dreizler, H.; Kirchner, Barbara; Huber, Hanspeter; Steinebrunner, Gerold; Lorenzo, Felipe J.; Alonso, José L.; Merke, Ilona; Onda, Masao ( 1997 )We present an investigation of the nuclear quadrupole coupling in a series of substituted thiiranes along with thiirane itself: The rotational spectra and the quadrupole coupling hyperfine structures of $^{33}S$ thiirane, ... -
THE $3\nu_{2}$ OVERTONE BAND OF $H_{3}^{+}$
Ventrudo, Brian F.; Guo, Zhaoyu; Cassidy, Daniel T.; Joo, Sangwoo; Oka, T. ( 1993 )Because of the small mass of hydrogen and the relatively shallow vibrational potential, the transition probabilities of overtone bands of $H_{3}^{+}$ do not decrease as drastically as those of other molecules. According ...