Laser double resonance measurements of vibrational energy transfer rates and mechanisms in HF(<i>v</i> = 2)

Copeland, Richard A.; Pearson, D. J.; Robinson, Jeanne M.; Crim, F. Fleming

doi:10.1063/1.444360

Cited by 32 publications

(1 citation statement)

References 32 publications

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“…The hydrogen fluoride dimer is somewhat of a prototype system for the study of hydrogen bonding and vibrational dynamics. Prior to the detailed work on the dimer, numerous studies were reported on collisions between HF molecules, − which also provided important information concerning the relevant interactions. The spectroscopy of the dimer began with work in the microwave, − which provided insights into both the structure and the tunneling dynamics.…”

Section: Introductionmentioning

confidence: 99%

Dissociation Dynamics of Oriented DF−HF and HF−DF Complexes: Evidence for Direct and Indirect Dissociation

Oudejans

Miller

1997

J. Phys. Chem. A

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Photofragment angular distributions have been obtained for HF-DF and DF-HF, resulting from excitation of the H-F stretching vibrations. The hybrid band associated with this vibration in HF-DF allows us access to both the K a ) 1 r 0 and K a ) 0 r 0 subbands, while for DF-HF only the K a ) 0 r 0 transitions are observed. Analysis of these data provides us with detailed information on the final state distribution of the two rotor fragments, including the intermolecular scalar correlations. The dissociation energies (D 0 ) are determined for both isomers, namely, 1157(2) cm -1 and 1082(2) cm -1 for HF-DF and DF-HF, respectively. The final state distribution for DF-HF shows that the proton donor molecule gives rise to a highly rotationally excited fragment, while the cofragment arising from the proton acceptor is formed in low-j states, a behavior which is consistent with direct dissociation. For HF-DF the results suggest that dissociation is indirect, in the sense that energy is coupled to states involving the closed DF(V)1) channel prior to dissociation.

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Section: Introductionmentioning

confidence: 99%

Dissociation Dynamics of Oriented DF−HF and HF−DF Complexes: Evidence for Direct and Indirect Dissociation

Oudejans

Miller

1997

J. Phys. Chem. A

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Vibrational Distribution and Rate Constants for Vibrational Energy Transfer

Bréchignac¹,

Taran²

1986

Nonequilibrium Vibrational Kinetics

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Optically pumped hydrogen fluoride laser

Kessler

Davis

Miller

et al. 1998

Journal of Applied Physics

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We present results from a study of an optically pumped hydrogen fluoride laser. Rotation–vibration transitions within the (2,0) band near 1.3 μm are pumped, and both amplified spontaneous emission (ASE) and laser oscillation are observed on (2,1) band transitions near 2.7 μm. Longitudinal and transverse pumping schemes are discussed. We also have pumped the (3,0) band and observed ASE on both the (3,2) and (2,1) bands. This system serves as a prototype for other mid-infrared diatomic and polyatomic lasers based upon overtone pumping.

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Laser double resonance measurements of vibrational energy transfer rates and mechanisms in HF(v = 2)

Cited by 32 publications

References 32 publications

Dissociation Dynamics of Oriented DF−HF and HF−DF Complexes: Evidence for Direct and Indirect Dissociation

Dissociation Dynamics of Oriented DF−HF and HF−DF Complexes: Evidence for Direct and Indirect Dissociation

Vibrational Distribution and Rate Constants for Vibrational Energy Transfer

Optically pumped hydrogen fluoride laser

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