Browsing Abstracts of OSU International Symposium on Molecular Spectroscopy 1990-1999 by Title
Now showing results 2327-2346 of 3912
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$N_{2}$ AND Ar BROADENING AND LINE MIXING IN THE P AND R BRANCHES OF THE $\nu_{3}$ BAND OF METHANE
Pine, A. S. ( 1996 )$N_{2}$- and Ar-broadened spectra of the allowed P- and R-branch manifolds for J $\leq$ 10 in the $\nu_{3}$ band of $CH_{4}$ have been recorded from the Doppler limit to -67 kPa at T = 295 K using a tunable difference-frequency ... -
$N_{2}$ AND Ar BROADENING OF THE P AND R BRANCHES OF THE $\nu_{3}$ BAND OF METHANE
Pine, A. S. ( 1995 )We have recorded ${N_{2}}{-}$ and Ar-broadened spectra of the allowed P-and branch manifolds for $J \leq 10$ in the $\nu_{3}$ band of $CH_{4}$ from the Doppler limit to $\sim 67 kPa at T = 295 K$ using a tunable ... -
$N_{2}-$BROADENING AND LINE SHIFTS IN THE $\nu_{3}$ BAND OF $CO_{2}$ AND THE $\nu_{2}$ BAND OF $H_{2}O$
Devi, V. Malathy; Benner, D. Chris; Smith, M. A. H.; Rinsland, C. P. ( 1991 )On several of our spectra recorded with the McMath Fourier transform spectrometer (0.01) $-cm^{-1}$ resolution) the $\nu_{3}$ region of $CO_{2}$ and/or the $\nu_{2}$ region of $H_{2}O$ were obtained incidentally when ... -
NARROW BAND, CW, CONTINUOUSLY TUNABLE, NEAR- TO MID-IR PPLN OPO FOR HIGH-RESOLUTION SPECTROSCOPY
Schiffman, A.; Nabors, C. D.; Atherton, B. ( 1998 )We are developing a high power, cw optical parametric oscillator for high resolution infrared spectroscopy. The OPO is based on periodically poled lithium niobate, pumped by a single frequency Nd:YAG laser, to produce ... -
THE NATURAL ABSORPTION OF AQUAPHILOUS CRYSTAL SEMICONDUCTORS
Netesova, N. P. ( 1994 )Earlier it was shown for the fundamental absorption edge of polar crystals to be in close agreement with the absorption discontinuity of limiting dulute solutions of the crystals. In this connection the united one oscillator ... -
THE NATURAL ABSORPTION OF POLAR CRYSTAL SOLUTIONS
Netesova, N. P. ( 1993 )In order to use oscillator electronic equation for crystal there is the need to introduce the factor considering the interactions in condense medium in expression of self-consistent field displacing the natural frequency ... -
THE NATURE OF ACTINYL-LIGAND BINDING: $AnX^{2-}_{2}$ IONS $(X=S, Se. Te)$ VALENCE-ISOELECTRONIC WITH $AnO^{2|}_{2}$
Ismail, N.; Marsden, C. J.; Heully, J.- L.; Saue, T. ( 1999 )There is substancial current interest in theoretical studies of the actinides, which represent one of the main current challenges for computational chemistry. We have shown that 1-component pseudopotential methods are ... -
NATURE OF BARRIER FORCES IN A CETALDEHYDE
Guo, D.; Goodman, Lionel ( 1996 )Natural bond orbital analysis of the internal rotation barrier in ground state acetaldehyde carried out using HF 6. 31G(d,p) wavefunctioons shows that the largest barrier forming energy terms are weakening of the $C-C ... -
THE NEAR INFRARED $Y^{2}\Sigma^{+} - X^{2}\pi$ TRANSITION OF COPPER SULFIDE
O'Brien, L. C.; Dulick, M.; Davis, S. P. ( 1999 )The near infrared electronic transition of CuS has been observed for the first time. The spectrum of the $Y^{2}\Sigma^{+} - X^{2}\Pi$ transition, labeled by analogy with the CuO near infrared electronic transition, was ... -
THE NEAR INFRARED ABSORPTION SPECTRUM OF $H_{2}O^{+}$ BY VELOCITY MODULATION
Huet, T. R.; Bachir, I. Hadj; Faltot, E.; Desdtombes, J. L.; Vervloet, M. ( 1995 )A Titanium-Sapphire laser spectrometer was used to record the absorption spectrum of the $\bar{A}{^{2}}A_{1}-\bar{X}^{2}B_{1}$ electronic transition of $H_{2}O^{+}$ by using the velocity modulation technique $H_{2}O^{+}$ ... -
NEAR INFRARED AND VISIBLE SPECTROSCOPY OF HYDROCARBONS IN CRYOGENIC SOLVENTS: $CH_{4}, C_{2}H_{4}$, AND $C_{2}H_{6}$ IN LIQUID Ar AND $N^{2}$.
Manzanares, Carlos E.; Brock, A.; Blunt, V. M.; Mina-Camilde, N.; Peng, J.; Caballero, J. ( 1993 )Spectra of $CH_{4}, C_{2}H_{4}$, and $C_{2}H_{6}$ pure and in $N_{2}$ and Ar solutions were obtained in the near-IR and visible regions. A resonant cw laser technique that consists of an argon ion laser-dye laser combination ... -
NEAR INFRARED CIRCULAR DICHROISM SPECTRA OF (3R)-METHYL CYCLOHEXANONE AND (3R)-METHYL CYCLOPENTANONE
Abbate, S.; Longhi, G.; Lespade, L.; Cavagnat, D.; Bertucci, C.; Salvadori, P. ( 1991 )The circular dichroism spectra of (3R)-Methyl cyclohexanone and (3R)-Methyl cyclopentanone have been recorded in the range 2000-800 nm, covering the vibrational overtone for $\Delta$v=2, 3, 4. By comparing with the CD data ... -
NEAR INFRARED LASER SPECTROSCOPY OF TITANIUM SULFIDE
Ran, Qin; Tam, W. S.; Ma, Chensheng; Cheung, A. S.- C. ( 1999 )TiS has been produced in a supersonic free jet expansion in argon by the reaction between laser ablated titanium and carbon disulfide. Laser induced fluorescence (LIF) spectra between 760-845 nm were obtained using a single ... -
NEAR INFRARED SPECTRA OF VOLATILE ORGANIC COMPOUNDS
Hovde, D. C.; Carter, Christopher C.; Miller, Terry A. ( 1999 )Near infrared diode lesers have practical advantages for environmental sensing of specific compounds. Applying these lasers to measure volatile organic compounds is difficult both because the spectral line shapes are more ... -
NEAR INFRARED SPECTROSCOPY OF DEUTERO-BROMOMETHYLENE
Marr, Andrew J.; Sears, Trevor J. ( 1998 )The $\tilde{A}^{1} A^{\prime \prime} (0,1,0) \leftarrow (0,0,0)$ electronic band system of DCBr has been measured in the region $11 720 cm^{-1}$ to $11 780 cm^{-1}$. Spectra were recorded using a transient absorption ... -
THE NEAR INFRARED TRANSITION OF COPPER CHLORIDE BY INTRACAVITY LASER SPECTROSCOPY
O'Brien, James J.; O'Brien, L. C. ( 1999 )The near infrared electronic transition of CuCl occuring in the region of $13,500 cm^{-1}$ has been recorded by intracavity laser absorption spectroscopy. The CuCl molecules were produced in a copper hollow cathode operating ... -
NEAR-DISSOCIATION THEORY ANALYSIS FOR THE DISSOCIATION ENERGY AND VIBRATIONAL EXTRAPOLATION FOR $Ba^{+}-Ar$
Le Roy, Robert J. ( 1996 )Panov $et al.^{a}$ recently reported dispersed emission and both low and high resolution $B^{2}\Pi\leftarrow X^{2}\Sigma^{+}$ excitation spectra for the $Ba^{+}$-Ar complex. Their analysis of those data involved merging a ... -
NEAR-INFRARED DIODE LASER ABSORPTION SPECTROSCOPY OF THE JET-COOLED $N_{2}$ ION
Harada, Kensuke; Tanaka, Takehiko ( 1994 )The absorption spectrum of the (2, 0) vibrational band of the $A^{2}\Pi_{u} - X^{2}\Sigma_{g}^{+}$ system of the nitrogen molecular ion generated by discharge in the pulsed supersonic jet expansion has been observed by ... -
NEAR-INFRARED DIODE LASER SPECTROSCOPY OF THE CCO RADICAL IN THE $\tilde{A}^{3}\Pi - \tilde{X}^{3}\Sigma$ BAND
Fujitake, Masaharu; Ohashi, N. ( 1992 )The $\tilde{A}^{3}\Pi_{i} - \tilde{X}^{3}\Sigma^{-}$ band of the CCO radical has been reinvestigated by means of near-infrared diode laser spectroscopy with Doppler-limited resolution. The absorption spectrum was measured ... -
NEAR-INFRARED ELECTRONIC SPECTROSCOPY OF THE HCCl $\tilde{A}^{1}A" \leftarrow \tilde{X}^{1}A'$ TRANSITION
Chang, Bor-Chen; Sears, Trevor J. ( 1995 )Rotationally resolved near-infrared spectra of the chloromethylene (HCCl) radical $\tilde{A}^{1}A^{\prime\prime} \leftarrow \tilde{X}^{1}A^{\prime}$ transition were obtained at Doppler-limited resolution using a combination ...